Genomes and Genes
Summary: The positioning and accommodation of eyes that allows the image to be brought into place on the FOVEA CENTRALIS of each eye.
Publications243 found, 100 shown here
- Salience, relevance, and firing: a priority map for target selectionJillian H Fecteau
Netherlands Institute of Neuroscience, Meibergdreef 47, 1105BA, Amsterdam, The Netherlands
Trends Cogn Sci 10:382-90. 2006..These observations have important ramifications for theories of attention. We conclude that priority--the combined representation of salience and relevance--best describes the firing properties of neurons...
- Target acceleration can be extracted and represented within the predictive drive to ocular pursuitSimon J Bennett
Research Institute for Exercise and Sport Sciences, Liverpool John Moores University, Henry Cotton Campus, L3 2ET, Liverpool, UK
J Neurophysiol 98:1405-14. 2007..These results indicate that information on target acceleration can be extracted on-line, during pursuit of a visible ramp, and then used to drive a predictive oculomotor response in the absence of visual input...
- Unilateral pallidotomy for Parkinson's disease disrupts ocular fixationJohn D O'Sullivan
Department of Clinical Neuroscience, St Vincent s Hospital, Fitzroy, 3065 Victoria, Australia
J Clin Neurosci 10:181-5. 2003..Horizontal visually guided, gap and predictive saccades as well as ocular fixation were studied in patients with advanced PD before and 1 month after unilateral pallidotomy, and in healthy ..
- A comparative study of shape representation in macaque visual areas v2 and v4Jay Hegdé
Department of Anatomy and Neurobiology, Washington University School of Medicine, Saint Louis, MO 63110, USA
Cereb Cortex 17:1100-16. 2007..Commonalities of visual shape representation across hierarchical levels may reflect the replication of neural circuits used in generating complex shape representations at multiple spatial scales...
- Eye-hand coordination during reaching. II. An analysis of the relationships between visuomanual signals in parietal cortex and parieto-frontal association projectionsA Battaglia-Mayer
Dipartimento di Fisiologia Umana e Farmacologia, , Piazzale Aldo Moro 5, 00185 Rome
Cereb Cortex 11:528-44. 2001....
- Visual and musculoskeletal underpinnings of anchoring in rhythmic visuo-motor trackingMelvyn Roerdink
Research Institute MOVE, Faculty of Human Movement Sciences, VU University, Van der Boechorststraat 9, 1081BT, Amsterdam, The Netherlands
Exp Brain Res 184:143-56. 2008....
- Extraction of information to the left of the fixated word in readingK S Binder
Department of Psychology, University of Massachusetts, Amherst 01003, USA
J Exp Psychol Hum Percept Perform 25:1162-72. 1999..The data suggest that readers often still attend to a word after it is skipped and that when readers fixate a word, they occasionally attend to the word after they have begun to fixate the next word...
- The role of spatial working memory in visual search efficiencySei Hwan Oh
Yonsei University, Seoul, Korea
Psychon Bull Rev 11:275-81. 2004..These results imply that the visual search process and spatial working memory storage require the same limited-capacity mechanisms...
- Gaze fixation and the neural circuitry of face processing in autismKim M Dalton
Waisman Center, University of Wisconsin, 1500 Highland Avenue, Madison, Wisconsin 53705 2280, USA
Nat Neurosci 8:519-26. 2005..In addition, variation in eye fixation within autistic individuals was strongly and positively associated with amygdala activation across both studies, suggesting a heightened emotional response associated with gaze fixation in autism...
- Orienting and maintenance of gaze to facial expressions in social anxietyMatthew Garner
Division of Clinical Neurosciences, School of Medicine, University of Southampton, Southampton, United Kingdom
J Abnorm Psychol 115:760-70. 2006..HSA individuals were also relatively quicker to look at emotional faces than neutral faces but looked at emotional faces for less time, compared with LSA individuals, consistent with a vigilant-avoidant pattern of bias...
- Microsaccadic eye movements and firing of single cells in the striate cortex of macaque monkeysS Martinez-Conde
Dept of Neurobiology, Harvard Medical School, 220 Longwood Avenue, Boston, Massachusetts 02115, USA
Nat Neurosci 3:251-8. 2000..Moreover, microsaccades were better correlated with bursts of spikes than with either single spikes or instantaneous firing rate. These findings may help explain maintenance of perception during normal visual fixation...
- A dynamical model of saccade generation in reading based on spatially distributed lexical processingRalf Engbert
Department of Psychology, University of Potsdam, P O Box 601553, 14415 Potsdam, Germany
Vision Res 42:621-36. 2002..The model inherently produces complex eye movement patterns including refixations and regressions due to its underlying dynamical principles...
- Saccadic reaction times: a statistical analysis of multimodal distributionsS Gezeck
Brain Research Unit, University of Freiburg, Germany
Vision Res 37:2119-31. 1997..All experimental distributions were fitted by as many gamma distributions as determined by the excess-mass test. The significance of the multimodality for saccade generation processes is discussed...
- Posterior parietal cortex neurons encode target motion in world-centered coordinatesUwe J Ilg
Department of Cognitive Neurology, Hertie Institute for Clinical Brain Research, University of Tubingen, Hoppe Seyler Str 3, D 72076 Tubingen, Germany
Neuron 43:145-51. 2004..Rather than signaling object image motion on the retina, they represent object motion in world-centered coordinates. This representation may simplify the coordination of object-directed action and ego motion-invariant visual perception...
- Altered face scanning and impaired recognition of biological motion in a 15-month-old infant with autismAmi Klin
Yale Child Study Center, Yale University School of Medicine, USA
Dev Sci 11:40-6. 2008....
- Idiosyncratic characteristics of saccadic eye movements when viewing different visual environmentsT J Andrews
Department of Neurobiology, Duke University Medical Center, Durham, NC 27710, USA
Vision Res 39:2947-53. 1999..The independent covariance of eye movements during different visual tasks shows that saccadic eye movements during active tasks like reading or visual search differ from those engaged during the passive inspection of visual scenes...
- The retinotopy of visual spatial attentionR B Tootell
Nuclear Magnetic Resonance Center, Massachusetts General Hospital, Charlestown, 02129, USA
Neuron 21:1409-22. 1998..In and surrounding area MT+, MR increases were lateralized but not otherwise retinotopic. At the representation of eccentricities central to that of the attended targets, prominent MR decreases occurred during spatial attention...
- Rapid adaptation in visual cortex to the structure of imagesJ R Muller
Center for Visual Science and Department of Brain and Cognitive Sciences, University of Rochester, Rochester, NY 14627, USA
Science 285:1405-8. 1999..Thus, if successive fixations expose neurons' receptive fields to images with similar but not identical structure, adaptation will remove correlations and improve discriminability...
- Effects of gaze on amygdala sensitivity to anger and fear facesReginald B Adams
Department of Psychological and Brain Sciences, Dartmouth College, 6207 Moore Hall, Hanover, NH 03755, USA
Science 300:1536. 2003
- Microsaccades counteract visual fading during fixationSusana Martinez-Conde
Barrow Neurological Institute, 350 West Thomas Road, Phoenix, Arizona 85013, USA
Neuron 49:297-305. 2006..These results reveal a direct link between suppression of microsaccades and fading and suggest a causal relationship between microsaccade production and target visibility during fixation...
- Reaching affects saccade trajectoriesS P Tipper
Centre for Cognitive Neuroscience, School of Psychology, University of Wales, Bangor, UK
Exp Brain Res 136:241-9. 2001..This effect is interpreted as the influence of a hand-centred frame used in reaching on the spatial frame of reference required for the saccade...
- Early coding of visuomanual coordination during reaching in parietal area PEcS Ferraina
Dipartimento di Fisiologia Umana e Farmacologia, , 00185 Rome, Italy
J Neurophysiol 85:462-7. 2001..These results assign to area PEc, classically considered as a somatosensory association cortex, a new visuomotor role...
- Impaired spatial working memory across saccades contributes to abnormal search in parietal neglectM Husain
Division of Neuroscience and Psychological Medicine, Imperial College School of Medicine, Charing Cross Hospital Campus, London, UK
Brain 124:941-52. 2001..These proposals accord with recent electrophysiological and functional imaging data, demonstrating posterior parietal involvement in the retention of target locations across saccades...
- In what ways do eye movements contribute to everyday activities?M F Land
School of Biological Sciences, University of Sussex, BN1 9QG, Brighton, UK
Vision Res 41:3559-65. 2001..The eye movements during this kind of task are nearly all to task-relevant objects, and thus their control is seen as primarily 'top-down', and influenced very little by the 'intrinsic salience' of objects...
- Time-locked perceptual fading induced by visual transientsRyota Kanai
Universiteit Utrecht, The Netherland
J Cogn Neurosci 15:664-72. 2003..Possible mechanisms underlying this phenomenon will be discussed...
- Latency of saccades during smooth-pursuit eye movement in man. Directional asymmetriesM Tanaka
Department of Physiology, Hokkaido University School of Medicine, Sapporo, Japan
Exp Brain Res 121:92-8. 1998..Although the forward-backward asymmetry was much smaller than the "gap effect", it was statistically significant in six of eight cases. These results suggest that the preparation of saccades is affected by smooth-pursuit eye movements...
- Visual scanning deficits in schizophrenia and their relationship to executive functioning impairmentArpi Minassian
Department of Psychiatry, University of California San Diego, 200 West Arbor Drive, Mailcode 8620, San Diego, CA 92103 8620, USA
Schizophr Res 74:69-79. 2005....
- An exploration of ocular fixation in Parkinson's disease, multiple system atrophy and progressive supranuclear palsyRalph Allen Pinnock
Northern Ireland Regional Medical Physics Agency, Royal Victoria Hospital, Belfast, BT12 6BA, Northern Ireland, UK
J Neurol 257:533-9. 2010Since the basal ganglia are thought to have a role in controlling ocular fixation it is expected that patients with parkinsonian conditions would show impaired performance in fixation tasks...
- Anxiety and sensitivity to eye gaze in emotional facesAmanda Holmes
School of Psychology, Birkbeck University of London, UK
Brain Cogn 60:282-94. 2006....
- Defining the temporal threshold for ocular fixation in free-viewing visuocognitive tasksBarry R Manor
The Brain Dynamics Centre, Westmead Hospital, Acacia House, Westmead, NSW 2145, Australia
J Neurosci Methods 128:85-93. 2003Patterns of ocular fixation in free-viewing tasks reflect aspects of visual attention and cognition. To quantify these patterns, fixations must be identified in raw eye movement data by applying explicit spatial and temporal thresholds...
- Neural correlates of decision variables in parietal cortexM L Platt
Center for Neural Science, New York University, New York 10003, USA
Nature 400:233-8. 1999..Our data indicate that a decision-theoretic model may provide a powerful new framework for studying the neural processes that intervene between sensation and action...
- Response of neurons in the lateral intraparietal area during a combined visual discrimination reaction time taskJamie D Roitman
Program in Neurobiology and Behavior, Department of Physiology and Biophysics, and Regional Primate Research Center, University of Washington, Seattle, Washington 98195 7290, USA
J Neurosci 22:9475-89. 2002..A threshold level of LIP activity appears to mark the completion of the decision process and to govern the tradeoff between accuracy and speed of perception...
- Functional MRI reveals spatially specific attentional modulation in human primary visual cortexD C Somers
Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
Proc Natl Acad Sci U S A 96:1663-8. 1999..These data suggest that neural processing in V1 is not governed simply by sensory stimulation, but, like extrastriate regions, V1 can be strongly and specifically influenced by attention...
- Object-based attention in the primary visual cortex of the macaque monkeyP R Roelfsema
Graduate School Neurosciences Amsterdam, Department of Visual System Analysis, Academic Medical Center, The Netherlands
Nature 395:376-81. 1998..This indicates that object-based attention is associated with a response enhancement at the earliest level of the visual cortical processing hierarchy...
- Gaze-centered updating of visual space in human parietal cortexW Pieter Medendorp
Canadian Institutes of Health Research Group on Action and Perception, Centre for Vision Research, York University, Toronto, Ontario, Canada, M3J 1P3
J Neurosci 23:6209-14. 2003..This shows that the human PPC dynamically updates the spatial goals for action in a gaze-centered frame...
- Attentional load and sensory competition in human vision: modulation of fMRI responses by load at fixation during task-irrelevant stimulation in the peripheral visual fieldSophie Schwartz
Laboratory for Neurology and Imaging of Cognition, Department of Neurosciences, University of Geneva, Switzerland
Cereb Cortex 15:770-86. 2005..These distinct mechanisms in selective visual processing may be integrated within posterior parietal areas, rather than earlier occipital cortex...
- Stimulus-driven and goal-driven control over visual selectionCasimir J H Ludwig
Department of Experimental Psychology, University of Bristol, Great Britain
J Exp Psychol Hum Percept Perform 28:902-12. 2002..Stimulus-driven and contingent capture can occur within a single paradigm, but the extent and nature of these effects depend on the specific response required...
- Task constraints in visual working memoryM M Hayhoe
Center for Visual Science, University of Rochester, New York, NY 14627, USA
Vision Res 38:125-37. 1998..Our conscious experience of the world may reflect events over a longer time scale than those underlying the substructure of the perceptuo-motor machinery...
- The effect of plausibility on eye movements in readingKeith Rayner
Department of Psychology, University of Massachusetts, Amherst, Amherst, MA 01003, USA
J Exp Psychol Learn Mem Cogn 30:1290-301. 2004..The results thus indicate that when a word is anomalous, it has an immediate effect on eye movements, but that the effect of implausibility is not as immediate...
- Target similarity affects saccade curvature away from irrelevant onsetsCasimir J H Ludwig
Department of Experimental Psychology, University of Bristol, 8 Woodland Road, Bristol, BS8 1TN, UK
Exp Brain Res 152:60-9. 2003..Over time, the response is integrated with and augmented by top-down inputs. Visual and non-visual signals converge onto a common motor map to determine an item's salience...
- Visual and motor effects in inhibition of returnT L Taylor
Department of Psychology, Dalhousie University, Halifax, Nova Scotia, Canada
J Exp Psychol Hum Percept Perform 26:1639-56. 2000..However, the results also emphasized that the nature of IOR depends fundamentally on the response modality used to reveal its influence...
- The reliability of grading the fixation preference test for the assessment of interocular visual acuity differences in patients with strabismusEmin Cumhur Sener
Department of Ophthalmology, Hacettepe University School of Medicine, Ankara, Turkey
J AAPOS 6:191-4. 2002....
- Control of saccades in Parkinson's diseaseI T Armstrong
Brain Cogn 49:198-201. 2002..PD made more sequencing errors in the spatial working memory task. These findings are consistent with a basal ganglia pathophysiology influencing eye movement processing in the frontal cortex...
- Ultra-rapid object detection with saccadic eye movements: visual processing speed revisitedHolle Kirchner
Centre de Recherche Cerveau et Cognition UMR 5549, CNRS Université Paul Sabatier Toulouse 3, Faculte de Medecine de Rangueil, 31062 Toulouse Cedex 9, France
Vision Res 46:1762-76. 2006..The results suggest a very fast and unexpected route linking visual processing in the ventral stream with the programming of saccadic eye movements...
- Spatial attention and latencies of saccadic eye movementsJ J Clark
Department of Electrical Engineering, McGill University, Montreal, Quebec, Canada
Vision Res 39:585-602. 1999..amp; O'Regan J.K. (1987). Reducing the influence of non-target stimuli on saccade accuracy: predictability and latency effects. Vision Research, 27 (2), 227-240)...
- The processing of visual shape in the cerebral cortex of human and nonhuman primates: a functional magnetic resonance imaging studyKatrien Denys
Laboratorium voor Neuro en Psychofysiologie, K U Leuven Medical School, Campus Gasthuisberg, B 3000 Leuven, Belgium
J Neurosci 24:2551-65. 2004..The shape-sensitive regions can be used to constrain the warping of monkey to human cortex and suggest a large expansion of lateral parietal and superior temporal cortex in humans compared with monkeys...
- Short-latency fixational saccades induced by luminance incrementsGregory D Horwitz
Howard Hughes Medical Institute and Vision Center Laboratory, The Salk Institute for Biological Studies, La Jolla, California 92037, USA
J Neurophysiol 90:1333-9. 2003..The spectral tuning of this increase was roughly, but not exactly, consistent with a pure luminance increase. We conclude that peripheral luminance increases can evoke fixational saccades...
- Illumination encoding in face recognition: effect of position shiftWendy L Braje
Department of Psychology, Plattsburgh State University, Plattsburgh, NY, USA
J Vis 3:161-70. 2003..The results also suggest that face representations retain illumination information...
- Gaze anchoring to a pointing target is present during the entire pointing movement and is driven by a non-visual signalS F Neggers
Department of Psychonomics, Helmholtz Institute, Utrecht University, 3584 CS Utrecht, The Netherlands
J Neurophysiol 86:961-70. 2001..Moreover, such a mechanism uses an internally generated, or proprioceptive, nonvisual signal. Possible neural substrates underlying these processes are discussed, as well as the role of selective attention...
- Attentional and oculomotor capture by onset, luminance and color singletonsD E Irwin
Department of Psychology, The Beckman Institute, University of Illinois, 603 E Daniel St, Champaign, IL 61820, USA
Vision Res 40:1443-58. 2000..Both abrupt onsets and luminance increments elicit reflexive, involuntary saccades whereas transient color changes do not. Implications for theories of attentional capture are discussed...
- Inhibition of return is not a foraging facilitator in saccadic search and free viewingIgnace Th C Hooge
Psychonomics, Helmholtz Institute, Utrecht University, Heidelberglaan 2, NL 3584 CS Utrecht, The Netherlands
Vision Res 45:1901-8. 2005..We hypothesize that IOR is an intrinsic aspect of shifting attention and gaze direction and furthermore that it is not always advantageous to prevent return saccades...
- The physiological basis of attentional modulation in extrastriate visual areasD Chawla
Wellcome Department of Cognitive Neurology, Institute of Neurology, London, UK
Nat Neurosci 2:671-6. 1999..Further, visually evoked responses increased along with baseline activity. These results are consistent with the hypothesis that attention modulates sensitivity of neuronal populations to inputs by changing background activity...
- Top-down search strategies cannot override attentional captureJan Theeuwes
Department of Cognitive Psychology, Vrije Universiteit, Amsterdam, The Netherlands
Psychon Bull Rev 11:65-70. 2004..It is argued that the notion of differential search modes may be incorrect and that the results can be explained in terms of bottom-up salience signals...
- The influence of behavioral context on the representation of a perceptual decision in developing oculomotor commandsJoshua I Gold
Department of Neuroscience, University of Pennsylvania, Philadelphia, Pennsylvania 19104 6074, USA
J Neurosci 23:632-51. 2003..The results suggest that formation of the decision and formation of the behavioral response share a common level of neural organization, but only when the decision is associated with a specific, predictable movement...
- Reversible-figure perception: mechanisms of intentional controlThomas C Toppino
Department of Psychology, Villanova University, Villanova, Pennsylvania 19085, USA
Percept Psychophys 65:1285-95. 2003..The results also reveal the limits of intentional control...
- Tracking the mind during reading: the influence of past, present, and future words on fixation durationsReinhold Kliegl
University of Potsdam, PO Box 60 15 53, 14451 Potsdam, Germany
J Exp Psychol Gen 135:12-35. 2006..Most of the time the mind processes several words in parallel at different perceptual and cognitive levels. Eye movements can help to unravel these processes...
- Multisensory stimulation with or without saccades: fMRI evidence for crossmodal effects on sensory-specific cortices that reflect multisensory location-congruence rather than task-relevanceE Macaluso
Fondazione Santa Lucia, Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy
Neuroimage 26:414-25. 2005..These results reveal crossmodal spatial-congruence effects upon visual and somatosensory sensory-specific areas that are relatively 'automatic', determined by the spatial relation of multisensory input rather than by its task-relevance...
- Tool use changes multisensory interactions in seconds: evidence from the crossmodal congruency taskNicholas P Holmes
Department of Experimental Psychology, University of Oxford, South Parks Road, Oxford OX1 3UD, UK
Exp Brain Res 183:465-76. 2007..Such enhancements are likely due to the increased behavioural relevance of visual stimuli as each tool use action is prepared before execution...
- Longer fixation duration while viewing face imagesKun Guo
Department of Psychology, University of Newcastle, NE2 4HH Newcastle upon Tyne, UK
Exp Brain Res 171:91-8. 2006..The results suggest that face and natural scene images can generate different patterns of visuomotor activity. The extra fixation duration on faces may be correlated with the detailed analysis of facial features...
- The IOVP effect in mindless reading: experiment and modelingAntje Nuthmann
Department of Psychology, University of Potsdam, Am Neuen Palais 10, 14469 Potsdam, Germany
Vision Res 47:990-1002. 2007..We conclude that oculomotor errors, which often induce mislocalized fixations, represent the most important source of the IOVP effect...
- Eye movements during information processing tasks: individual differences and cultural effectsKeith Rayner
Department of Psychology, University of Massachusetts, Amherst, MA 01003, USA
Vision Res 47:2714-26. 2007..Also, Chinese participants' fixations were more numerous and of shorter duration than those of their American counterparts while viewing faces and scenes, and counting Chinese characters in text...
- Inhibition of saccade return (ISR): spatio-temporal properties of saccade programmingI T Hooge
Department of Physiology, Erasmus University Rotterdam, PO Box 1738, 3000 DR, Rotterdam, The Netherlands
Vision Res 40:3415-26. 2000..The radius of the area where ISR is found is about 4 degrees. The relation between ISR and 'Inhibition of Return' of spatial attention [Posner & Cohen, 1984] is discussed, as well as the neurophysiological basis of ISR...
- Attention modulates responses in the human lateral geniculate nucleusDaniel H O'Connor
Department of Psychology, Center for the Study of Brain, Mind, and Behavior, Princeton University, Green Hall, Princeton, New Jersey 08544, USA
Nat Neurosci 5:1203-9. 2002..The LGN, traditionally viewed as the gateway to visual cortex, may also serve as a 'gatekeeper' in controlling attentional response gain...
- Age differences in the control of looking behavior: do you know where your eyes have been?A F Kramer
Beckman Institute and Department of Psychology, University of Illinois, 405 North Mathews Ave, Urbana, IL 61801, USA
Psychol Sci 11:210-7. 2000..Young and old adults showed equivalent patterns of oculomotor capture with equiluminant onsets, but older adults misdirected their eyes to bright onsets more often than young adults did...
- Gaze direction controls response gain in primary visual-cortex neuronsY Trotter
Centre de Recherche Cerveau et Cognition, Faculte de Medecine de Rangueil, Universite Paul Sabatier, Toulouse, France
Nature 398:239-42. 1999..Cortical neural processes for encoding information about the three-dimensional position of a stimulus in space therefore start as early as area V1...
- Updating target distance across eye movements in depthStan Van Pelt
Nijmegen Institute for Cognition and Information, Radboud University Nijmegen, Nijmegen, The Netherlands
J Neurophysiol 99:2281-90. 2008....
- The motor side of depth visionK Schreiber
Departments of Physiology and Medicine, University of Toronto, 1 King's College Circle, M5S 1A8 Toronto, Canada
Nature 410:819-22. 2001....
- Delayed attentional engagement in the attentional blinkMark R Nieuwenstein
Department of Psychonomics, Utrecht University, Utrecht, Netherlands
J Exp Psychol Hum Percept Perform 31:1463-75. 2005..The authors conclude that, during the AB, there is a delay between detection and the selection of target candidates for consolidation in short-term memory...
- Deficits in saccade target selection after inactivation of superior colliculusRobert M McPeek
The Smith Kettlewell Eye Research Institute, 2318 Fillmore Street, San Francisco, California 94115, USA
Nat Neurosci 7:757-63. 2004..Our results indicate that, in addition to its well-established involvement in movement execution, the SC has an important functional role in target selection...
- The superior colliculus encodes gaze commands in retinal coordinatesE M Klier
CIHR Group for Action and Perception, York University, 4700 Keele Street, Toronto, Ontario M3J 1P3, Canada
Nat Neurosci 4:627-32. 2001..Moreover, our data show that this eye-centered SC command is then further transformed, as a function of eye and head position, by downstream mechanisms into the head- and body-centered commands for coordinated eye-head gaze shifts...
- The Duncker illusion and eye-hand coordinationJ F Soechting
Department of Neuroscience, University of Minnesota, Minneapolis, Minnesota 55455, USA
J Neurophysiol 85:843-54. 2001..The results suggest a model of limb control in which gaze position can provide the target signal for limb movement...
- Spatial coding of the predicted impact location of a looming objectMarco Neppi-Modona
Institut des Sciences Cognitives, CNRS Université de Lyon 1, 67 Bd Pinel, 69675 Bron, France
Curr Biol 14:1174-80. 2004....
- Selective peripheral fading: evidence for inhibitory sensory effect of attentionL Lou
Department of Psychology, University of Hong Kong, Hong Kong
Perception 28:519-26. 1999..Were the fading entirely due to local sensory adaptation, the unattended stimuli would have to be equally adapted and yet somehow remain visible for seconds, which is not plausible...
- Visual search is slowed when visuospatial working memory is occupiedGeoffrey F Woodman
Department of Psychology, Vanderbilt University, Wilson Hall, 111 21st Avenue South, Nashville, TN 37240 1103, USA
Psychon Bull Rev 11:269-74. 2004..These findings suggest that common mechanisms are used to process information during difficult visual search tasks and to maintain spatial information in working memory...
- Foveal processing difficulty does not modulate non-foveal orthographic influences on fixation positionsSarah J White
Centre for Vision and Visual Cognition, Department of Psychology, University of Durham, Science Laboratories, South Road, Durham DH1 3LE, UK
Vision Res 46:426-37. 2006..The results show that non-foveal orthography influences where words are first fixated regardless of foveal processing load...
- Directional prediction by the saccadic systemAndrew J Anderson
Department of Optometry and Vision Sciences, The University of Melbourne, Melbourne 3010, Australia
Curr Biol 18:614-8. 2008....
- Microsaccades differentially modulate neural activity in the striate and extrastriate visual cortexD A Leopold
Max Planck Institute for Biological Cybernetics, Tuebingen, Germany
Exp Brain Res 123:341-5. 1998..Such signals may be necessary for the stable perception of objects and scenes during eye movements, mediating the mapping between central object representations and the constantly changing retinotopic input...
- Functional architecture of retinotopy in visual association cortex of behaving monkeyBarbara Heider
Center for Molecular and Behavioral Neuroscience, Rutgers University, Newark, NJ 07102, USA
Cereb Cortex 15:460-78. 2005..Possible mechanisms for this variability across days are discussed as well as its impact upon our understanding of the representation of extrapersonal space in the inferior parietal cortex...
- Neck muscle vibration makes walking humans accelerate in the direction of gazeY P Ivanenko
Human Physiology Section of the Scientific Institute Santa Lucia and the University of Rome Tor Vergata, Via Ardeatina 306, 00179 Rome, Italy
J Physiol 525:803-14. 2000..The results suggest that the proprioceptive input from the neck is integrated in the control of human posture and locomotion and is processed in the context of a viewer-centred reference frame...
- Synaptic inputs and their pathways from fixation and saccade zones of the superior colliculus to inhibitory burst neurons and pause neuronsMayu Takahashi
Department of Systems Neurophysiology, Graduate School of Medicine, Tokyo Medical and Dental University, 1 5 45, Yushima, Tokyo, Japan
Ann N Y Acad Sci 1039:209-19. 2005..These results show that the fixation zone in the rostral SC may suppress the initiation of bilateral saccades via pause neurons...
- Association between fixation preference testing and strabismic pseudoamblyopiaOssama M Hakim
Department of Pediatric Ophthalmology, Magraby Eye Center, Madina Munwara, Saudi Arabia
J Pediatr Ophthalmol Strabismus 44:174-7. 2007..The purpose of this study is to evaluate the strength of the association between fixation preference and strabismic amblyopia...
- Gaze-centered updating of remembered visual space during active whole-body translationsStan Van Pelt
Nijmegen Institute for Cognition and Information, Radboud University Nijmegen, NL 6500 HE Nijmegen, The Netherlands
J Neurophysiol 97:1209-20. 2007..Neural network simulations are presented suggesting that the brain relies on ego-velocity signals and stereoscopic depth and direction information in spatial updating during self-motion...
- Eye scanning of multi-element displays: I. Scanpath planningJohn M Findlay
Department of Psychology, University of Durham, South Road, Durham, DH1 3LE, UK
Vision Res 46:179-95. 2006..Evidence was found for both directional (raster-like) scanning strategies and scanning strategies based on the global external contour...
- Involvement of prefrontal cortex in visual searchE J Anderson
Department of Visual Neuroscience, Imperial College London, Charing Cross Hospital, St Dunstan s Road, London, W6 8RP, UK
Exp Brain Res 180:289-302. 2007..Thus, regions of ventral as well as dorsal prefrontal cortex are recruited during inefficient search, and we propose that this activity is related to processes that guide, control and monitor the allocation of selective attention...
- Eye vergence is susceptible to the hollow-face illusionJoachim Hoffmann
Department of Psychology, University of Wurzburg, Rontgenring 11, D 97070 Wurzburg, Germany
Perception 36:461-70. 2007..It is presumably the success of recognising a familiar object (a face) which overrides the correction of convergence. This suggests that the brain strives for a congruency of eye vergence and distance perception...
- Eye gaze is not unique: automatic orienting in response to uninformative arrowsJason Tipples
University of York, England
Psychon Bull Rev 9:314-8. 2002..Overall, the findings suggest that the eye gaze is not unique in automatically triggering orienting...
- The influence of the Brentano illusion on eye and hand movementsDenise D J de Grave
General Psychology, Justus Liebig University, Giessen, Germany
J Vis 6:727-38. 2006..This favors the interpretation that the eyes and the hand use a common motor command but each with a different relative contribution of vector coding...
- Configural and contextual prioritization in object-based attentionSarah Shomstein
Johns Hopkins University, Baltimore, Maryland, USA
Psychon Bull Rev 11:247-53. 2004....
- A physiological correlate of the "Zoom Lens" of visual attentionNotger G Müller
Cognitive Neurology, Johann Wolfgang Goethe University, 60528 Frankfurt, Germany
J Neurosci 23:3561-5. 2003..This preactivation of neuronal units may then have gated selective processing of the features of the object that appeared at the attended location, thus enabling feature integration and object identification...
- Coordinated control of eye and hand movements in dynamic reachingS F W Neggers
Department of Psychonomics, Helmholtz Institute, Utrecht University, Heidelberglaan 2, 3584 CS Utrecht, The Netherlands
Hum Mov Sci 21:349-76. 2002....
- The relationship between saccadic suppression and perceptual stabilityTamara L Watson
Center for Molecular and Behavioral Neuroscience, Rutgers University, 197 University Avenue, Newark, NJ 07102, USA
Curr Biol 19:1040-3. 2009....
- Responses of primate visual cortical neurons to stimuli presented by flash, saccade, blink, and external darkeningTimothy J Gawne
Department of Physiological Optics, University of Alabama at Birmingham, Birmingham, Alabama 35294, USA
J Neurophysiol 88:2178-86. 2002..However, there are neurons that respond in a qualitatively different manner depending on how a stimulus is presented, and we hypothesize that these signals may be important for determining the perceptual salience of a visual event...
- Neural correlates of visual localization and perisaccadic mislocalizationBart Krekelberg
Department of General Zoology and Neurobiology, Ruhr University Bochum, 44780, Bochum, Germany
Neuron 37:537-45. 2003..This challenges the assumption in many psychophysical studies that the perisaccadic retinal position signal is veridical...
- Atypical fixation preference with anisometropiaRobert P Rutstein
School of Optometry, University of Alabama at Birmingham, Birmingham, Alabama 35294 0010, USA
Optom Vis Sci 84:848-51. 2007..To describe a child with hyperopia and anisometropia who manifests strabismus and amblyopia in the much less hyperopic eye...
- Influence of the direction of elemental luminance gradients on the responses of V4 cells to textured surfacesA Hanazawa
Laboratory of Neural Control, National Institute for Physiological Sciences, Myodaiji, Okazaki, Aichi 444 8585, Japan
J Neurosci 21:4490-7. 2001..This novel spatial property suggests that V4 cells are involved in extracting texture features from objects, including their three-dimensionality...
- Horizontal and vertical asymmetry in visual spatial crowding effectsChengzhi Feng
Department of Psychology, University of Minnesota, Minneapolis, MN 55455, USA
J Vis 7:13.1-10. 2007..Such a horizontal versus vertical asymmetry was found in all four quadrants of visual space. Importantly, a further visual acuity test did not reveal a horizontal versus vertical asymmetric effect...
- Better to take one long or two quick looks? Independent processing of evidence from discrete visual presentationsWolf Schwarz
Department of Psychology, University of Potsdam, Potsdam, Germany
J Exp Psychol Hum Percept Perform 34:1337-52. 2008..These predictions were tested, confirmed, and extended in 5 letter-identification experiments that focused on the mechanism by which information extracted from single arrays is integrated across different looks...
- Fixation preference and visual acuity testing in a population-based cohort of preschool children with amblyopia risk factorsSusan A Cotter
Doheny Eye Institute and the Department of Ophthalmology, Keck School of Medicine, University of Southern California, Los Angeles, California 90033 9224, USA
Ophthalmology 116:145-53. 2009..To compare the clinical assessment of fixation preference (FP) to visual acuity (VA) in a population-based sample of preschool children with amblyopia risk factors...
- Poor correlation between "fix-follow-maintain" monocular/binocular fixation pattern evaluation and presence of functional amblyopiaH Atilla
Department of Ophthalmology, Ankara University School of Medicine, Ankara, Turkey
Binocul Vis Strabismus Q 16:85-90. 2001..To assess the reliability of visual screening with fix- follow-maintain (FFM) method in early detection of amblyopia in children who are not able to cooperate in testing with Allen Figures or Snellen E-chart...
- Attentional and oculomotor capture with static singletonsJan Theeuwes
Department of Cognitive Psychology, Vrije Universiteit, Amsterdam, The Netherlands
Percept Psychophys 65:735-46. 2003....
- Culture shapes how we look at facesCaroline Blais
Department of Psychology, University of Glasgow, Glasgow, United Kingdom
PLoS ONE 3:e3022. 2008....
- Dynamic Basal Ganglia Saccade NetworksAnn M Graybiel; Fiscal Year: 2010..To test this hypothesis, we will train macaques on a touch screen reaching task under ocular fixation. In Aim 3, we hypothesize that spontaneously produced sequences of saccades will be represented in the brain ..
- SMOOTH PURSUIT, SACCADES, AND FIXATION IN SCHIZOPHRENIALee Friedman; Fiscal Year: 1992..Smooth pursuit tracking, saccadic tracking and ocular fixation have all been recorded in the same subjects in the same session...
- Attention and Oculomotor Control: Attentional ResolutionCathleen Moore; Fiscal Year: 2007..We will then relate the instability of ocular fixation to the coarseness of attentional resolution...
- Neural Basis of Visual Suppression in StrabismicsJohn Economides; Fiscal Year: 2006..how single cell activity in regions ofcortex corresponding to suppression scotomas is modulated by changes in ocular fixation. Subsequent anatomical experiments will correlate local levels of metabolic activity, reflected by cytochrome ..
- Development of a clinical test of utricular functionClaire Gianna Poulin; Fiscal Year: 2006..The proposed experiments will employ a novel technique to produce high vergence angles that does not trigger ocular fixation mechanisms...
- The nature and time course of phonological representations in readingKeith Rayner; Fiscal Year: 2008..unreadable] [unreadable] [unreadable]..
- The Role of Areas V1 and V2 in Target SelectionPeter Schiller; Fiscal Year: 2008..abstract_text> ..
- PARALLEL INFORMATION PROCESSING OF THE VISUAL SYSTEMPeter Schiller; Fiscal Year: 2002..The proposed work has important clinical relevance as it will serve characterize the functions of various visual cortical areas. ..
- NEURAL CONTROL OF VISUALLY GUIDED EYE MOVEMENTSPeter Schiller; Fiscal Year: 2007..abstract_text> ..
- Overt and Covert Selection During ReadingALBRECHT INHOFF; Fiscal Year: 2007..It should also have ramifications beyond the domain of reading, as coordination of covert and overt selection may be part and parcel of effective visual selection in general. ..
- DEVELOPMENT OF SUSTAINED ATTENTION IN INFANTSJohn Richards; Fiscal Year: 2006....
- Function of fixation instability during natural viewingMichele Rucci; Fiscal Year: 2006..unreadable] [unreadable] [unreadable]..
- BIOSOCIAL ACTIVATION OF SEX-LINKED COGNITIVE BEHAVIORGERIANNE ALEXANDER; Fiscal Year: 2005..This information will therefore increase understanding of the relations among typical or atypical reproductive events (e.g., puberty, hormone deficiency, pregnancy) and cognition. ..
- COORDINATION OF VOLUNTARY EYE MOVEMENTSRichard J Krauzlis; Fiscal Year: 2010..Understanding how these systems interact will also help us understand how and why these circuits malfunction in a variety of developmental disorders. ..
- LANGUAGE PROCESSING DURING READINGKeith Rayner; Fiscal Year: 2005..The research should be useful in further understanding the process of skilled reading and also help to reveal the relationship between skilled and poor reading. ..
- Attention and Adult Emotion RegulationDerek M Isaacowitz; Fiscal Year: 2010..abstract_text> ..
- Vestibulocerebellar function in channelopathy mutantsJohn Stahl; Fiscal Year: 2004..Thus, the insights into normal cerebellar function generated by this study should also advance our understanding of mechanisms of heritable neurological disease. ..
- Time's Eye: Aging and Attention to Emotional StimuliDerek Isaacowitz; Fiscal Year: 2003..The results would also have implications for the etiology and treatment of depression. ..
- Brainstem control of visual orientingEdward G Freedman; Fiscal Year: 2010..These experiments will provide exciting and novel insight into the ways in which the nervous system converts sensory inputs into coordinated actions. ..
- Neural circuitry of the parietal lobeRALPH SIEGEL; Fiscal Year: 2006....
- ANALYSIS OF STRUCTURE-FROM-MOTION IN VISUAL CORTEXRALPH SIEGEL; Fiscal Year: 2003..These studies will be crucial in correctly choosing which parietal representations are best modified through therapy when there are spatial deficits in human subjects caused by parietal damage through stroke. ..
- Spatial Attention in Visuomotor ProcessingTODD HANDY; Fiscal Year: 2005....
- Visual LearningDaphne Bavelier; Fiscal Year: 2009..abstract_text> ..
- SELECTIVE ATTENTION TO THE PARTS OF AN OBJECTSHAUN VECERA; Fiscal Year: 2002..abstract_text> ..
- Eye-Tracking Studies of Social Visual Pursuit in AutismAmi Klin; Fiscal Year: 2006..The proposed R01 works synergistically with other ongoing eye-tracking research including studies of toddlers at risk of having autism and studies of monkeys with mesiofrontal-limbic ablations. ..
- Aging and multi-task trainingArthur Kramer; Fiscal Year: 2008..Furthermore, we predict that training visual-spatial skills will transfer to elementary perceptual and cognitive processes (see Green & Baveiler, 2003) as well as simulated automobile driving. [unreadable] [unreadable]..
- REORGANIZATION OF VISUAL FUNCTIONS AFTER EARLY DEAFNESSDaphne Bavelier; Fiscal Year: 2009..In addition, it will provide insights for the development of environments better suited to deaf individuals'needs. ..
- Aging, Fitness and Neurocognitive FunctionArthur Kramer; Fiscal Year: 2004....
- The Nature of Phonological Representation in ReadingM Ashby; Fiscal Year: 2004..abstract_text> ..
- Neural Systems Underlying Sign Language ProductionKaren Emmorey; Fiscal Year: 2009..abstract_text> ..
- Understanding the mechanisms that control the dynamics of perceptual switchesSatoru Suzuki; Fiscal Year: 2010....
- MULTISENSORY PROCESSING IN THE BEHAVING PREPARATIONLuis C Populin; Fiscal Year: 2010....
- Anticipatory Processing in Spatial CognitionHelene Intraub; Fiscal Year: 2006..Memory tests will involve recall and recognition procedures as well as new interactive memory tests involving the reconstruction of a view in real space or on a computer screen. ..
- Towards a learning model for rehabilitation after Traumatic Brain InjurySabine Kastner; Fiscal Year: 2008..unreadable] [unreadable] [unreadable]..
- PSYCHOLOGICAL AND NEURAL BASES OF SPATIAL COGNITIONMarlene Behrmann; Fiscal Year: 2010..Acquired attentional deficits are notoriously difficult to rehabilitate, with profound adverse consequences for the individual, and targeted intervention efforts are urgently needed. ..
- LANGUAGE, MODALITY AND THE BRAINKaren Emmorey; Fiscal Year: 2009..abstract_text> ..
- MODEL OBSERVER OPTIMIZATION OF X-RAY CORONARY ANGIOGRAMSMiguel Eckstein; Fiscal Year: 2008..abstract_text> ..
- Modeling the Role of Priming in Executive ControlGordon Logan; Fiscal Year: 2009..The first aim will establish the validity of the model, the second will establish its limits and set the stage for a general model of executive control. ..
- Dynamic Visual Activity in Temporal CortexDavid Sheinberg; Fiscal Year: 2009....
- Audiovisual Interactions in CategorizationLorraine Bahrick; Fiscal Year: 2007..Future research will include investigations of other categories and interactions of other modality combinations. ..
- Transcranial Magnetic Stimulation LaboratorySabine Kastner; Fiscal Year: 2002..One project will probe the effects of TMS on hippocampal neurogenesis in an animal model to elucidate the neural basis of the antidepressant action of TMS. ..
- NEURAL EFFECTS OF INTERFERENCE WITH WORKING MEMORYClayton Curtis; Fiscal Year: 2002..abstract_text> ..
- OBJECT RECOGNITION & NAVIGATION--NORMAL & LOW VISIONGORDON LEGGE; Fiscal Year: 2003..field loss, on the formation and use of cognitive maps. Their hypothesis is that cognitive maps, although difficult to learn with visual impairment, will be esp. beneficial to people with low vision. ..
- Form analysis in the visual motion pathwayPETER TSE; Fiscal Year: 2003..Without an understanding of how modules cooperate, science and medicine cannot adequately repair brains where cooperation among modular circuitry has broken down. ..
- Image Stabilization in the Retinal PeripheryELISABETH FINE; Fiscal Year: 2004..Once validated, this technique will allow us to test hypotheses regarding the specific area of PRL in patients with ARMD. ..
- Visual-social cognition in neurodevelopmental disordersNouchine Hadjikhani; Fiscal Year: 2004..It should give us additional insight into the pathophysiology face perception disorders, and provide a basis for the development of remedial treatment for deficits in social communication. ..
- INTERSENSORY REDUNDANCY & THE DEVELOPMENT OF PERCEPTIONLorraine Bahrick; Fiscal Year: 2004..abstract_text> ..
- LANGUAGE PROCESSING IN SCHIZOPHRENIAGina Kuperberg; Fiscal Year: 2005..This training and research program will advance the candidate to the stage when she can establish herself as an independent investigator of the cognitive neuroscience of schizophrenia. ..
- Low-Level Constraints on High-Level SelectionEdward Awh; Fiscal Year: 2005..The proposed project promises a bridge between lower-level perceptual/attentional processes and executive processes as well as answers to the important question of age differences in executive control. ..
- Visual Adaptation, Selective Attention, and Shape CodingSatoru Suzuki; Fiscal Year: 2005..g., in the ventral "pattern processing stream" such as V4 and IT) and perception of global shape attributes. ..
- Motor Learning & Neural Plasticity in Vestibular SystemWu Zhou; Fiscal Year: 2006..This research will provide important knowledge for understanding the fundamental vestibular and oculomotor neurophysiology and improving the diagnosis and treatment of vestibular disorders in humans. ..
- Behavioral correlates of fMRI response in cocaine usersRita Goldstein; Fiscal Year: 2006..abstract_text> ..
- Control of Dynamic AttentionTODD STEVEN HOROWITZ; Fiscal Year: 2010..We propose to study how attention works in complex, dynamic environments, using a combination of cognitive and neuroscience approaches. ..
- PHYSIOLOGY OF OCULOMOTOR PREMOTOR PATHWAYSRobert McCrea; Fiscal Year: 2007..The results should increase our understanding of the central mechanisms that allow clear vision of objects in a 3D environment during passive and active head movements. ..
- Collaborative research: CRCNS: Precision and coding in smooth pursuitStephen G Lisberger; Fiscal Year: 2010..abstract_text> ..
- VESTIBULAR AFFERENT ACTIVITY AFTER CANAL PLUGGINGSergei Yakushin; Fiscal Year: 2002..This work should lead to a clearer understanding of how lesions, such as plugging and nerve section, affect the sensory processing of head movements and how the central vestibular system adapts to these types of lesions. ..
- FUNCTIONS AND MECHANISMS OF PERCEPTUAL LEARNINGBarbara Dosher; Fiscal Year: 2003....
- Referential Contrast Effects in Language ProcessingJULIE SEDIVY; Fiscal Year: 2003..Results of this project may be useful in developing models for language disorders, for the development of pedagogical tools, and for progress in artificial intelligence. ..
- Effects of Anxiety on Interhemispheric ProcessingREBECCA COMPTON; Fiscal Year: 2004..Application of the ERP methodology for measuring interhemispheric transmission is expected to produce a detailed picture of how emotional relevance affects the spread of information from one hemisphere to another. ..
- Infant Roots of Later CognitionSusan A Rose; Fiscal Year: 2010..Identifying early antecedents of later deficits has profound implications for intervention, assessment,and remediation, as well as for understanding the nature of the infant mind. ..
- VESTIBULAR MECHANISMS IN THE DYNAMICS OF LOCOMOTIONTheodore Raphan; Fiscal Year: 2006....
- Perceptual Processes Evidence and ConfiguralityJames Townsend; Fiscal Year: 2009..Work toward these goals will involve theoretical, methodological, and empirical efforts. ..
- Effect of extrinsic cost on motor planningUta Wolfe; Fiscal Year: 2005..Through this pilot study it will be possible to assess the feasibility of developing the experimental approach into such a method, and to develop parameters for a future study in which its effectiveness will be tested. ..
- MIPS XII ConferenceElizabeth Krupinski; Fiscal Year: 2007..unreadable] [unreadable] [unreadable]..
- Medical Image Perception Society Confrence XIElizabeth Krupinski; Fiscal Year: 2005..abstract_text> ..
- VOR adaptation/utility of saccades as rehab strategiesMichael Schubert; Fiscal Year: 2008..This is important for the long-term goals of this project, which are to determine the adaptive preferences that individuals with vestibular loss use to improve gaze stability. ..
- Liability Markers for Deficit Schizophrenia?L Hong; Fiscal Year: 2004..We plan to use the preliminary data collected from this grant support to guide our full-scale search for phenotypic markers specifically associated with the liability for deficit schizophrenia and subsequent molecular genetic studies. ..