Research Topics
| S ZekiSummaryAffiliation: University College London Country: UK Publications
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Detail Information
Publications
The neurology of ambiguitySemir Zeki
University College London, Gower Street, London WC1E 6BT, UK
Conscious Cogn 13:173-96. 2004..Finally, the study of ambiguity also gives us insights into the neurological machinery that artists have tapped to create the ambiguity that is commonly a hallmark of great works of art...- The processing of kinetic contours in the brainS Zeki
Wellcome Department of Imaging Neuroscience, University College London, London WC1E 6BT, UK
Cereb Cortex 13:189-202. 2003..We conclude that there is no present evidence for a visual area specialized for the processing of kinetic contours in the primate visual brain... - Improbable areas in the visual brainS Zeki
University College London, London WC1E 6BT, UK
Trends Neurosci 26:23-6. 2003 - The Ferrier Lecture 1995 behind the seen: the functional specialization of the brain in space and timeSemir Zeki
Wellcome Laboratory of Neurobiology, University College London, UK
Philos Trans R Soc Lond B Biol Sci 360:1145-83. 2005..Therefore, visual consciousness is not a single unified entity, but consists of many microconsciousnesses... - Localization and globalization in conscious visionS Zeki
Wellcome Department of Cognitive Neurology, University College London, WC1E 6BT, London United Kingdom
Annu Rev Neurosci 24:57-86. 2001..The consequence of spatially and temporally distributed microconsciousnesses is that their integration is a multistage, nonhierarchical process that may involve a neural "glue.".. - The neurobiology of loveS Zeki
University College, Department of Anatomy, London, UK
FEBS Lett 581:2575-9. 2007..Yet the biological study of love, and especially romantic love, must go beyond and look for biological insights that can be derived from studying the world literature of love, and thus bring the output of the humanities into its orbit... - The disunity of consciousnessSemir Zeki
Wellcome Laboratory of Neurobiology, University College London, Gower Street, London, UK
Prog Brain Res 168:11-8. 2008..For if it can be shown that we are conscious of these two attributes at different times, because of spatially and temporally different mechanisms, then the statement that there is a single, unified consciousness cannot be true... - Neural correlates of hateSemir Zeki
Wellcome Laboratory of Neurobiology, Department of Cell and Developmental Biology, University College London, London, United Kingdom
PLoS ONE 3:e3556. 2008..Though distinct from the pattern of activity that correlates with romantic love, this pattern nevertheless shares two areas with the latter, namely the putamen and the insula... - The encoding of temporally irregular and regular visual patterns in the human brainSemir Zeki
Wellcome Laboratory of Neurobiology, Anatomy Department, University College London, London, United Kingdom
PLoS ONE 3:e2180. 2008..The results show that there is an abstractive system in the brain for detecting temporal irregularity, regardless of the source producing it... - The brain reaction to viewing faces of opposite- and same-sex romantic partnersSemir Zeki
Wellcome Laboratory of Neurobiology, University College London, London, United Kingdom
PLoS ONE 5:e15802. 2010..The pattern of activation and de-activation was very similar in the brains of males and females, and heterosexuals and homosexuals. We could therefore detect no difference in activation patterns between these groups... - In praise of subjective truthsSemir Zeki
Wellcome Laboratory of Neurobiology, University College London, Gower Street, London WC1E 6BT, UK
J Physiol 587:2825-35. 2009..Certainly [our curves] could not have been obtained with computer averaging methods before the authors reached the age of mandatory retirement.' (Hubel & Wiesel, 1974)... - Retinotopic maps in human prestriate visual cortex: the demarcation of areas V2 and V3S Shipp
Department of Anatomy, University College, United Kingdom
Neuroimage 2:125-32. 1995..After stereotaxic normalization, the position of V3 defined by retinal topography was found to correspond to that surmised from our previous PET studies employing moving stimuli... - Effect of background colors on the tuning of color-selective cells in monkey area V4Makoto Kusunoki
Wellcome Laboratory of Neurobiology, University College London, London WC1E 6BT, UK
J Neurophysiol 95:3047-59. 2006..We conclude that neurons in area V4 exhibit the property of color constancy and that their response properties are thus able to reflect color perception... - A visuo-somatomotor pathway through superior parietal cortex in the macaque monkey: cortical connections of areas V6 and V6AS Shipp
Wellcome Laboratory of Neurobiology, University College, London, UK
Eur J Neurosci 10:3171-93. 1998.... - Neural correlates of beautyHideaki Kawabata
Wellcome Department of Imaging Neuroscience, University College, London WC1E 6BT, United Kingdom
J Neurophysiol 91:1699-705. 2004.... - The sightless view: neural correlates of occluded objectsOliver J Hulme
Anatomy Department, Wellcome Department of Imaging Neuroscience, University College London, London WC1E6BT, UK
Cereb Cortex 17:1197-205. 2007..Additionally, we identify a region of premotor cortex that is selectively activated by occlusion of either object type, suggesting its generic involvement with processing occluded objects... - The temporal order of binding visual attributesA Bartels
Laboratory of Neurobiology, Department of Anatomy, University College London, London WC1E 6BT, UK
Vision Res 46:2280-6. 2006..These results lead us to conclude that spatial binding is separate from, and subsequent to, stimulus processing and that it is an attribute-dependent and post-conscious process... - Three cortical stages of colour processing in the human brainS Zeki
The Wellcome Department of Cognitive Neurology, Institute of Neurology, University College London, UK
Brain 121:1669-85. 1998.... - The clinical and functional measurement of cortical (in)activity in the visual brain, with special reference to the two subdivisions (V4 and V4 alpha) of the human colour centreS Zeki
Wellcome Department of Cognitive Neurology, University College London, UK
Philos Trans R Soc Lond B Biol Sci 354:1371-82. 1999..The new evidence about the architecture of the colour centre might help to explain why the syndrome, cerebral achromatopsia, produced by lesions in it is so variable... - The relationship between cortical activation and perception investigated with invisible stimuliK Moutoussis
Wellcome Department of Imaging Neuroscience, University College London, London WC1E 6BT, United Kingdom
Proc Natl Acad Sci U S A 99:9527-32. 2002.... - The theory of multistage integration in the visual brainA Bartels
Wellcome Department of Cognitive Neurology, University College London, UK
Proc Biol Sci 265:2327-32. 1998..Although we formulate our hypothesis in terms of the visual brain, we believe it might form a general principle of brain functioning... - Functional organization of macaque V3 for stereoscopic depthD L Adams
Wellcome Department of Cognitive Neurology, University College London, London WC1E 6BT, United Kingdom
J Neurophysiol 86:2195-203. 2001.... - The integration of colour and motion by the human visual brainMatthew W Self
Anatomy Department, Wellcome Department of Imaging Neuroscience, University College London, Gower Street, London WC1E6BT, UK
Cereb Cortex 15:1270-9. 2005..We propose that such neurons could integrate signals from different cues, making them more responsive to objects defined by more than one cue, thus increasing the ability of the observer to recognize them... - Functional brain mapping during free viewing of natural scenesAndreas Bartels
Vision Lab, Wellcome Department of Imaging Neuroscience, University College London, London, United Kingdom
Hum Brain Mapp 21:75-85. 2004..This leads us to suggest that each specialized area is directly responsible for the creation of a feature-specific conscious percept (a microconsciousness). Hum. Brain Mapp. 21:75-83, 2004... - The primary visual cortex, and feedback to it, are not necessary for conscious visionDominic H ffytche
Wellcome Laboratory of Neurobiology, University College London, London WC1E 6BT, UK
Brain 134:247-57. 2011..Although the blind field experience of all three subjects was degraded, it was clearly visual in nature. We conclude that the primary visual cortex or back-projections to it are not necessary for visual awareness... - The neural correlates of maternal and romantic loveAndreas Bartels
Wellcome Department of Imaging Neuroscience, University College London, London, UK
Neuroimage 21:1155-66. 2004.... - Feature binding in the feedback layers of area V2Stewart Shipp
Laboratory of Neurobiology, Department of Cell and Developmental Biology, University College London, London, UK
Cereb Cortex 19:2230-9. 2009..The bridging function would thus act to unify the outcome of parallel, object-selective processes taking place along segregated visual pathways... - Motion processing, directional selectivity, and conscious visual perception in the human brainKonstantinos Moutoussis
Department of Philosophy and History of Science, University of Athens, 157 71 Athens, Greece
Proc Natl Acad Sci U S A 105:16362-7. 2008..In addition, our results provide the first robust evidence for the presence of directionally selective neuronal populations in human prestriate cortex... - Neural correlates of stimulus reportabilityOliver J Hulme
Wellcome Trust Center for Neuroimaging, University College London
J Cogn Neurosci 21:1602-10. 2009..These findings provide a basic framework for understanding the neural basis of stimulus reportability without the theoretical burden of presupposing a relationship between reportability and consciousness... - The functional organization of area V2, II: the impact of stripes on visual topographyStewart Shipp
Wellcome Department of Cognitive Neurology, University College, London, UK
Vis Neurosci 19:211-31. 2002..5:1, and this elongation abets the external configuration of V2 that, stretching concentrically around V1, has long been hypothesized to facilitate functional interaction between the two areas... - Perceptual compression of space through position integrationBarrie W Roulston
Department of Anatomy and Developmental Biology, University College London, London WC1E 6BT, UK
Proc Biol Sci 273:2507-12. 2006..Our account explains a variety of motion illusions, including the compression of moving shapes when viewed through apertures... - The functional organization of area V2, I: specialization across stripes and layersStewart Shipp
Wellcome Department of Cognitive Neurology, University College, London, UK
Vis Neurosci 19:187-210. 2002.... - Seeing invisible motion: a human FMRI studyKonstantinos Moutoussis
Wellcome Department of Cognitive Neurology, University College London, London WC1E 6BT, United Kingdom
Curr Biol 16:574-9. 2006..We conclude that stimulus-specific activation of higher cortical areas does not necessarily result in awareness of the underlying stimulus... - The neurology of saccades and covert shifts in spatial attention: an event-related fMRI studyR J Perry
Wellcome Department of Cognitive Neurology, University College London, UK
Brain 123:2273-88. 2000..These findings are discussed in the context of current theories pertaining to the clinical syndrome of neglect... - Toward a theory of visual consciousnessS Zeki
Institute of Neurology, University College London, London, WC1E 6BT, United Kingdom
Conscious Cogn 8:225-59. 1999.... - Introduction: cerebral cartography 1905-2005Semir Zeki
Wellcome Laboratory of Neurobiology, Anatomy Department, University College London, Gower Street, London WC1E 6BT, UK
Philos Trans R Soc Lond B Biol Sci 360:651-2. 2005 - The chronoarchitecture of the cerebral cortexAndreas Bartels
Wellcome Department of Imaging Neuroscience, University College London, Gower Street, London WC1E 6BT, UK
Philos Trans R Soc Lond B Biol Sci 360:733-50. 2005..In conclusion, this new approach to brain mapping may not only serve to identify novel functional subdivisions, but to reveal their connectivity as well... - Responses of spectrally selective cells in macaque area V2 to wavelengths and colorsK Moutoussis
Wellcome Department of Cognitive Neurology, University College London, London WC1E 6BT, United Kingdom
J Neurophysiol 87:2104-12. 2002.... - Modulation of aesthetic value by semantic context: an fMRI studyUlrich Kirk
Anatomy Department, Wellcome Laboratory of Neurobiology, University College London, London, UK
Neuroimage 44:1125-32. 2009..This shows that prefrontal and orbitofrontal cortices recruited by aesthetic judgments are significantly biased by subjects' prior expectations about the likely hedonic value of stimuli according to their source... - The chronoarchitecture of the human brain--natural viewing conditions reveal a time-based anatomy of the brainAndreas Bartels
Wellcome Department of Imaging Neuroscience, University College London, London, UK
Neuroimage 22:419-33. 2004..Chronoarchitectonic mapping thus opens the prospect of identifying previously unknown cortical subdivisions based on natural viewing conditions by exploiting the characteristic temporal "fingerprint" that is unique to each... - Human brain activity during spontaneously reversing perception of ambiguous figuresA Kleinschmidt
Wellcome Department of Cognitive Neurology, Institute of Neurology, London, UK
Proc Biol Sci 265:2427-33. 1998..Together, the dynamics of integrative perceptual experience are reflected in rapid spatially differentiated activity modulation within a cooperative set of neural structures... - Brain dynamics during natural viewing conditions--a new guide for mapping connectivity in vivoAndreas Bartels
Wellcome Department of Imaging Neuroscience, University College London, London, UK
Neuroimage 24:339-49. 2005..Our findings therefore demonstrate that natural viewing conditions lead to particularly specific interregional correlations and thus provide a powerful environment to reveal anatomical connectivity in vivo... - The neural correlates of desireHideaki Kawabata
Wellcome Laboratory of Neurobiology, Department of Cell and Developmental Biology, University College London, London, United Kindgom
PLoS ONE 3:e3027. 2008..These results show that categorizing any stimulus according to its desirability activates three different brain areas: the superior orbito-frontal, the mid-cingulate, and the anterior cingulate cortices... - Law and the brain: introductionSemir Zeki
Laboratory of Neurobiology, Department of Anatomy and Wellcome Department of Imaging Neuroscience, University College London, Gower Street, London WC1E 6BT, UK
Philos Trans R Soc Lond B Biol Sci 359:1661-5. 2004..The effort to bring the fields together is therefore a worthy task, and this issue is the first systematic effort to test this expectation...