Research Topics
Species | R ParasuramanSummaryAffiliation: The Catholic University of America Country: USA Publications
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Detail Information
Publications
Fuzzy signal detection theory: basic postulates and formulas for analyzing human and machine performanceR Parasuraman
Catholic University of America, Washington, DC 20064, USA
Hum Factors 42:636-59. 2000..Actual or potential applications of fuzzy SDT include evaluation of the performance of human, machine, and human-machine detectors in real systems...
The apolipoprotein E gene, attention, and brain functionRaja Parasuraman
Cognitive Science Laboratory, Catholic University of America, Washington, DC 20064, USA
Neuropsychology 16:254-74. 2002....
Alzheimer disease constricts the dynamic range of spatial attention in visual searchR Parasuraman
Cognitive Science Laboratory, The Catholic University of America, 250 O Boyle Hall, Washington, DC 20064, USA
Neuropsychologia 38:1126-35. 2000..The restriction in the dynamic range of spatial attention may represent an underlying component of the impairment in perceptual and memory functioning found in early-stage DAT...
Designing automation for human use: empirical studies and quantitative modelsR Parasuraman
Cognitive Science Laboratory, The Catholic University of America, Washington DC 20064, USA
Ergonomics 43:931-51. 2000..An important future research need is the integration of qualitative and quantitative approaches. Application of these models provides an objective basis for designing automation for effective human use...
Scale of attentional focus in visual searchP M Greenwood
Psychology Department, Catholic University of America, Washington, DC 20064, USA
Percept Psychophys 61:837-59. 1999..These results go beyond current models in suggesting that visuospatial attention possesses two dynamic properties--shifting in space and varying in scale--that are deployed independently, depending on task demands...
Effects of apolipoprotein E genotype on spatial attention, working memory, and their interaction in healthy, middle-aged adults: results From the National Institute of Mental Health's BIOCARD studyP M Greenwood
Cognitive Science Laboratory, Catholic University of America, Washington, DC, USA
Neuropsychology 19:199-211. 2005..Effects of APOE genotype on component processes of cognition in healthy, middle-aged adults is consistent with the emergence in adulthood of an APOE-epsilon4 cognitive phenotype...
The role of memory representation in the vigilance decrementDaniel M Caggiano
Cognitive Science Laboratory, Catholic University of America, Washington, DC 20064, USA
Psychon Bull Rev 11:932-7. 2004....
The scaling of spatial attention in visual search and its modification in healthy agingP M Greenwood
Cognitive Science Laboratory, Catholic University of America, Washington, DC 20064, USA
Percept Psychophys 66:3-22. 2004..The results also provided evidence that cue size effects are attentional, not strategic. This evidence is consistent with the proposed model of attentional scaling in visual search...
Age-related reduction in 3-D visual motion primingY Jiang
Cognitive Science Laboratory, Catholic University of America, USA
Psychol Aging 14:619-26. 1999..The results show that 3-D motion priming exhibits robust age-related decline. An age-related decrease in temporal persistence may account for the reduction in 3-D motion priming in older adults...
Psychophysiology and adaptive automationE A Byrne
Cognitive Science Laboratory, Catholic University of America, Washington, DC 20064, USA
Biol Psychol 42:249-68. 1996..Adaptive automation represents a unique domain for the application of psychophysiology in the work environment...
Brain mechanisms of involuntary visuospatial attention: an event-related potential studyShimin Fu
Cognitive Science Laboratory, The Catholic University of America, Washington, D C, USA
Hum Brain Mapp 25:378-90. 2005..In addition, the possible feedback from higher visual cortex to the primary visual cortex is faster and occurs earlier in involuntary relative to voluntary attention task...
Normal genetic variation, cognition, and agingP M Greenwood
Catholic University of America, USA
Behav Cogn Neurosci Rev 2:278-306. 2003....
Specificity of the effect of a nicotinic receptor polymorphism on individual differences in visuospatial attentionPamela M Greenwood
Catholic University, Washington, DC, USA
J Cogn Neurosci 17:1611-20. 2005..The results show that normal variation in a gene controlling a nicotinic receptor makes a selective contribution to individual differences in visuospatial attention...
Priming of two-dimensional visual motion is reduced in older adultsYang Jiang
Coginitive Science Laboratory, Catholic University of America, USA
Neuropsychology 16:140-5. 2002..However, the older group showed a significant reduction in the extent of 2-D motion priming. The decrement in older adults for visual motion priming may reflect age-related changes in temporal processing in human visual cortex...
Dynamics of the spatial scale of visual attention revealed by brain event-related potentialsY J Luo
Cognitive Science Laboratory, The Catholic University of America, 250 O'Boyle Hall, Washington, DC 20064, USA
Brain Res Cogn Brain Res 12:371-81. 2001....
Event-related potentials reveal dissociable mechanisms for orienting and focusing visuospatial attentionShimin Fu
Cognitive Science Laboratory, The Catholic University of America, DC 20064, USA
Brain Res Cogn Brain Res 23:341-53. 2005..In addition, the results support the notion that voluntary and involuntary allocations of visuospatial attention are mediated by different underlying neural processes...
Scaling of visuospatial attention undergoes differential longitudinal change as a function of APOE genotype prior to old age: results from the NIMH BIOCARD studyP M Greenwood
Cognitive Science Laboratory, Catholic University of America, Washington, DC, and Geriatric Psychiatry Branch, National Institute of Mental Health, USA
Neuropsychology 19:830-40. 2005..However, cognitive decline in midlife associated with a gene modulating neuronal response to insult argues that the concept of an AD prodrome includes factors that allow as well as cause AD...
Neural correlates of perceptual priming of visual motionYang Jiang
Cognitive Science Laboratory, The Catholic University of America, Washington DC, USA
Brain Res Bull 57:211-9. 2002..Functional magnetic resonance imaging (fMRI) data from a subset of subjects supported the view that motion priming involves modulation of neural responses both in early visual cortex and in later stages of visual processing...
Automation in future air traffic management: effects of decision aid reliability on controller performance and mental workloadUlla Metzger
Catholic University of America, Washington, DC, USA
Hum Factors 47:35-49. 2005..Potential or actual applications of the results include the design of automation and procedures for future air traffic control systems...
Aging and repetition priming for targets and distracters in a working memory taskDaniel M Caggiano
Department of Behavioral Science, University of Kentucky College of Medicine, Lexington, USA
Neuropsychol Dev Cogn B Aging Neuropsychol Cogn 13:552-73. 2006..The results suggest that active maintenance in working memory, but not inhibition or rejection of distracters, may suppress implicit memory systems...
Interactive effects of APOE and CHRNA4 on attention and white matter volume in healthy middle-aged and older adultsThomas Espeseth
University of Oslo, Oslo, Norway
Cogn Affect Behav Neurosci 6:31-43. 2006....
When and where perceptual load interacts with voluntary visuospatial attention: an event-related potential and dipole modeling studyShimin Fu
ARCH Laboratory, MS 3F5, George Mason University, Fairfax, VA 22030 4444, USA
Neuroimage 39:1345-55. 2008..Results suggest that perceptual load affects voluntary visuospatial attention at an early (but not the earliest) processing stage and that the TPO gyrus mediates target selection at the discrimination stage...
Sustained attention in mild Alzheimer's diseaseAnna Maria Berardi
Department of Psychology, University of Metz, France
Dev Neuropsychol 28:507-37. 2005....
Signal regularity and the mindlessness model of vigilanceWilliam S Helton
Department of Psychology, Michigan Technological University, Houghton, MI 49931, USA
Br J Psychol 96:249-61. 2005..Such expectations enhance performance on the traditional vigilance task, but degrade performance on the modified task...
Beyond heritability: neurotransmitter genes differentially modulate visuospatial attention and working memoryRaja Parasuraman
Department of Psychology, George Mason University, 4400 University Drive, Fairfax, VA 22030 4444, USA
Psychol Sci 16:200-7. 2005..The results show that normal allelic variations in single neurotransmitter genes modulate individual differences in processing components of cognitive functions in healthy individuals...
The vigilance decrement reflects limitations in effortful attention, not mindlessnessRebecca A Grier
University of Cincinnati, Cincinnati, Ohio 45221, USA
Hum Factors 45:349-59. 2003..Actual or potential applications of this research include procedures to reduce the information-processing demand imposed by vigilance tasks and the stress associated with such tasks...
The abbreviated vigilance task and cerebral hemodynamicsWilliam S Helton
Michigan Technological University, Houghton, MI 49931, USA
J Clin Exp Neuropsychol 29:545-52. 2007..This latter finding does not match the physiological changes detected in long-duration vigils...
Putting the brain to work: neuroergonomics past, present, and futureRaja Parasuraman
George Mason University, Fairfax, VA 22030 4444, USA
Hum Factors 50:468-74. 2008..The authors describe research and applications in prominent areas of neuroergonomics...
