S Zeki

Summary

Affiliation: University College London
Country: UK

Publications

  1. ncbi request reprint Localization and globalization in conscious vision
    S Zeki
    Wellcome Department of Cognitive Neurology, University College London, WC1E 6BT, London United Kingdom
    Annu Rev Neurosci 24:57-86. 2001
  2. pmc A brain-derived metric for preferred kinetic stimuli
    Semir Zeki
    Wellcome Laboratory of Neurobiology, University College London, London WC1E 6BT, UK
    Open Biol 2:120001. 2012
  3. pmc Functional specialization and generalization for grouping of stimuli based on colour and motion
    Semir Zeki
    Wellcome Laboratory of Neurobiology, University College London, London, WC1E 6BT, UK
    Neuroimage 73:156-66. 2013
  4. ncbi request reprint Improbable areas in the visual brain
    S Zeki
    University College London, London WC1E 6BT, UK
    Trends Neurosci 26:23-6. 2003
  5. pmc In praise of subjective truths
    Semir Zeki
    Wellcome Laboratory of Neurobiology, University College London, Gower Street, London WC1E 6BT, UK
    J Physiol 587:2825-35. 2009
  6. ncbi request reprint The processing of kinetic contours in the brain
    S Zeki
    Wellcome Department of Imaging Neuroscience, University College London, London WC1E 6BT, UK
    Cereb Cortex 13:189-202. 2003
  7. ncbi request reprint The neurology of ambiguity
    Semir Zeki
    University College London, Gower Street, London WC1E 6BT, UK
    Conscious Cogn 13:173-96. 2004
  8. pmc The brain reaction to viewing faces of opposite- and same-sex romantic partners
    Semir Zeki
    Wellcome Laboratory of Neurobiology, University College London, London, United Kingdom
    PLoS ONE 5:e15802. 2010
  9. pmc The encoding of temporally irregular and regular visual patterns in the human brain
    Semir Zeki
    Wellcome Laboratory of Neurobiology, Anatomy Department, University College London, London, United Kingdom
    PLoS ONE 3:e2180. 2008
  10. doi request reprint The disunity of consciousness
    Semir Zeki
    Wellcome Laboratory of Neurobiology, University College London, Gower Street, London, UK
    Prog Brain Res 168:11-8. 2008

Detail Information

Publications47

  1. ncbi request reprint Localization and globalization in conscious vision
    S 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."..
  2. pmc A brain-derived metric for preferred kinetic stimuli
    Semir Zeki
    Wellcome Laboratory of Neurobiology, University College London, London WC1E 6BT, UK
    Open Biol 2:120001. 2012
    ....
  3. pmc Functional specialization and generalization for grouping of stimuli based on colour and motion
    Semir Zeki
    Wellcome Laboratory of Neurobiology, University College London, London, WC1E 6BT, UK
    Neuroimage 73:156-66. 2013
    ....
  4. ncbi request reprint Improbable areas in the visual brain
    S Zeki
    University College London, London WC1E 6BT, UK
    Trends Neurosci 26:23-6. 2003
  5. pmc In praise of subjective truths
    Semir 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)...
  6. ncbi request reprint The processing of kinetic contours in the brain
    S 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...
  7. ncbi request reprint The neurology of ambiguity
    Semir 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...
  8. pmc The brain reaction to viewing faces of opposite- and same-sex romantic partners
    Semir 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...
  9. pmc The encoding of temporally irregular and regular visual patterns in the human brain
    Semir 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...
  10. doi request reprint The disunity of consciousness
    Semir 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...
  11. ncbi request reprint The neurobiology of love
    S 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...
  12. pmc The Ferrier Lecture 1995 behind the seen: the functional specialization of the brain in space and time
    Semir 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...
  13. pmc Neural correlates of hate
    Semir 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...
  14. ncbi request reprint Retinotopic maps in human prestriate visual cortex: the demarcation of areas V2 and V3
    S 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...
  15. ncbi request reprint A visuo-somatomotor pathway through superior parietal cortex in the macaque monkey: cortical connections of areas V6 and V6A
    S Shipp
    Wellcome Laboratory of Neurobiology, University College, London, UK
    Eur J Neurosci 10:3171-93. 1998
    ....
  16. ncbi request reprint Effect of background colors on the tuning of color-selective cells in monkey area V4
    Makoto 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...
  17. ncbi request reprint Neural correlates of beauty
    Hideaki Kawabata
    Wellcome Department of Imaging Neuroscience, University College, London WC1E 6BT, United Kingdom
    J Neurophysiol 91:1699-705. 2004
    ....
  18. pmc The relationship between cortical activation and perception investigated with invisible stimuli
    K 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
    ....
  19. ncbi request reprint Three cortical stages of colour processing in the human brain
    S Zeki
    The Wellcome Department of Cognitive Neurology, Institute of Neurology, University College London, UK
    Brain 121:1669-85. 1998
    ....
  20. ncbi request reprint The sightless view: neural correlates of occluded objects
    Oliver 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...
  21. ncbi request reprint The temporal order of binding visual attributes
    A 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...
  22. pmc 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 centre
    S 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...
  23. ncbi request reprint The neurology of saccades and covert shifts in spatial attention: an event-related fMRI study
    R 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...
  24. pmc The theory of multistage integration in the visual brain
    A 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...
  25. ncbi request reprint The integration of colour and motion by the human visual brain
    Matthew 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...
  26. ncbi request reprint Functional organization of macaque V3 for stereoscopic depth
    D L Adams
    Wellcome Department of Cognitive Neurology, University College London, London WC1E 6BT, United Kingdom
    J Neurophysiol 86:2195-203. 2001
    ....
  27. pmc Neural correlates of stimulus reportability
    Oliver 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...
  28. pmc Perceptual compression of space through position integration
    Barrie 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...
  29. pmc The primary visual cortex, and feedback to it, are not necessary for conscious vision
    Dominic 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...
  30. pmc Motion processing, directional selectivity, and conscious visual perception in the human brain
    Konstantinos 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...
  31. ncbi request reprint Seeing invisible motion: a human FMRI study
    Konstantinos 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...
  32. ncbi request reprint The functional organization of area V2, I: specialization across stripes and layers
    Stewart Shipp
    Wellcome Department of Cognitive Neurology, University College, London, UK
    Vis Neurosci 19:187-210. 2002
    ....
  33. ncbi request reprint The functional organization of area V2, II: the impact of stripes on visual topography
    Stewart 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...
  34. ncbi request reprint Functional brain mapping during free viewing of natural scenes
    Andreas 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...
  35. ncbi request reprint The neural correlates of maternal and romantic love
    Andreas Bartels
    Wellcome Department of Imaging Neuroscience, University College London, London, UK
    Neuroimage 21:1155-66. 2004
    ....
  36. pmc Feature binding in the feedback layers of area V2
    Stewart 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...
  37. pmc Segregation and convergence of specialised pathways in macaque monkey visual cortex
    S Shipp
    Department of Anatomy, University College, London, UK
    J Anat 187:547-62. 1995
    ..Segregation is also the rule for subcortical connections to the pulvinar from these two areas. In summary, the segregated outputs of V2 can remain largely distinct through at least two subsequent stages of cortical processing...
  38. ncbi request reprint Toward a theory of visual consciousness
    S Zeki
    Institute of Neurology, University College London, London, WC1E 6BT, United Kingdom
    Conscious Cogn 8:225-59. 1999
    ....
  39. pmc The chronoarchitecture of the cerebral cortex
    Andreas 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...
  40. pmc Introduction: cerebral cartography 1905-2005
    Semir 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
  41. ncbi request reprint Responses of spectrally selective cells in macaque area V2 to wavelengths and colors
    K Moutoussis
    Wellcome Department of Cognitive Neurology, University College London, London WC1E 6BT, United Kingdom
    J Neurophysiol 87:2104-12. 2002
    ....
  42. doi request reprint Modulation of aesthetic value by semantic context: an fMRI study
    Ulrich 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...
  43. ncbi request reprint The chronoarchitecture of the human brain--natural viewing conditions reveal a time-based anatomy of the brain
    Andreas 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...
  44. pmc Human brain activity during spontaneously reversing perception of ambiguous figures
    A 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...
  45. ncbi request reprint Brain dynamics during natural viewing conditions--a new guide for mapping connectivity in vivo
    Andreas 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...
  46. pmc The neural correlates of desire
    Hideaki 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...
  47. pmc Law and the brain: introduction
    Semir 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...