Z Kourtzi

Summary

Affiliation: Max Planck Institute for Biological Cybernetics
Country: Germany

Publications

  1. ncbi request reprint Object-selective responses in the human motion area MT/MST
    Zoe Kourtzi
    Max Planck Institute for Biological Cybernetics, Spemannstrasse 38, 72076 Tuebingen, Germany
    Nat Neurosci 5:17-8. 2002
  2. ncbi request reprint Similar cortical correlates underlie visual object identification and orientation judgment
    Christian F Altmann
    Section Neuropsychology, Department of Cognitive Neurology, Hertie Institute for Clinical Brain Research, University of Tubingen, Tubingen, Germany
    Neuropsychologia 43:2101-8. 2005
  3. ncbi request reprint Textures of natural images in the human brain. Focus on "orientation-selective adaptation to first- and second-order patterns in human visual cortex"
    Zoe Kourtzi
    J Neurophysiol 95:591-2. 2006
  4. ncbi request reprint Learning and neural plasticity in visual object recognition
    Zoe Kourtzi
    School of Psychology, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
    Curr Opin Neurobiol 16:152-8. 2006
  5. pmc Distributed neural plasticity for shape learning in the human visual cortex
    Zoe Kourtzi
    Max Planck Institute for Biological Cybernetics, Tubingen, Germany
    PLoS Biol 3:e204. 2005
  6. ncbi request reprint Representation of the perceived 3-D object shape in the human lateral occipital complex
    Zoe Kourtzi
    Max Planck Institute for Biological Cybernetics and University Clinics, Tubingen, Germany
    Cereb Cortex 13:911-20. 2003
  7. ncbi request reprint Integration of local features into global shapes: monkey and human FMRI studies
    Zoe Kourtzi
    Max Planck Institute for Biological Cybernetics, 72076 Tuebingen, Germany
    Neuron 37:333-46. 2003
  8. ncbi request reprint Spatiotemporal characteristics of form analysis in the human visual cortex revealed by rapid event-related fMRI adaptation
    Zoe Kourtzi
    Max Planck Institute for Biological Cybernetics, Postfach 21 69, 72012 Tuebingen, Germany
    Neuroimage 28:440-52. 2005
  9. ncbi request reprint Representation of perceived object shape by the human lateral occipital complex
    Z Kourtzi
    Department of Brain and Cognitive Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
    Science 293:1506-9. 2001
  10. ncbi request reprint Visual representation of malleable and rigid objects that deform as they rotate
    Z Kourtzi
    Department of Psychology, Rutgers University, USA
    J Exp Psychol Hum Percept Perform 27:335-55. 2001

Detail Information

Publications34

  1. ncbi request reprint Object-selective responses in the human motion area MT/MST
    Zoe Kourtzi
    Max Planck Institute for Biological Cybernetics, Spemannstrasse 38, 72076 Tuebingen, Germany
    Nat Neurosci 5:17-8. 2002
    ....
  2. ncbi request reprint Similar cortical correlates underlie visual object identification and orientation judgment
    Christian F Altmann
    Section Neuropsychology, Department of Cognitive Neurology, Hertie Institute for Clinical Brain Research, University of Tubingen, Tubingen, Germany
    Neuropsychologia 43:2101-8. 2005
    ..Our findings suggest that object identification and orientation judgment do not follow strictly separable cortical pathways, but rather involve both the dorsal and the ventral stream...
  3. ncbi request reprint Textures of natural images in the human brain. Focus on "orientation-selective adaptation to first- and second-order patterns in human visual cortex"
    Zoe Kourtzi
    J Neurophysiol 95:591-2. 2006
  4. ncbi request reprint Learning and neural plasticity in visual object recognition
    Zoe Kourtzi
    School of Psychology, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
    Curr Opin Neurobiol 16:152-8. 2006
    ....
  5. pmc Distributed neural plasticity for shape learning in the human visual cortex
    Zoe Kourtzi
    Max Planck Institute for Biological Cybernetics, Tubingen, Germany
    PLoS Biol 3:e204. 2005
    ..We propose that the human brain learns novel objects in complex scenes by reorganizing shape processing across visual areas, while taking advantage of natural image correlations that determine the distinctiveness of target shapes...
  6. ncbi request reprint Representation of the perceived 3-D object shape in the human lateral occipital complex
    Zoe Kourtzi
    Max Planck Institute for Biological Cybernetics and University Clinics, Tubingen, Germany
    Cereb Cortex 13:911-20. 2003
    ..Differences in the fMRI adaptation responses across subregions in the LOC suggest that different neural populations in the LOC may mediate different mechanisms for the processing of object features...
  7. ncbi request reprint Integration of local features into global shapes: monkey and human FMRI studies
    Zoe Kourtzi
    Max Planck Institute for Biological Cybernetics, 72076 Tuebingen, Germany
    Neuron 37:333-46. 2003
    ..These findings suggest that unified shape perception in both monkeys and humans involves multiple visual areas that may integrate local elements to global shapes at different spatial scales...
  8. ncbi request reprint Spatiotemporal characteristics of form analysis in the human visual cortex revealed by rapid event-related fMRI adaptation
    Zoe Kourtzi
    Max Planck Institute for Biological Cybernetics, Postfach 21 69, 72012 Tuebingen, Germany
    Neuroimage 28:440-52. 2005
    ....
  9. ncbi request reprint Representation of perceived object shape by the human lateral occipital complex
    Z Kourtzi
    Department of Brain and Cognitive Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
    Science 293:1506-9. 2001
    ..These data indicate that the LOC represents not simple image features, but rather higher level shape information...
  10. ncbi request reprint Visual representation of malleable and rigid objects that deform as they rotate
    Z Kourtzi
    Department of Psychology, Rutgers University, USA
    J Exp Psychol Hum Percept Perform 27:335-55. 2001
    ..That is, object representations may be "dynamically remapped" during the analysis of the object's motion...
  11. ncbi request reprint "But still, it moves"
    Zoe Kourtzi
    Max Planck Institute for Biological Cybernetics, Spemannstrasse 38, 72076 Tuebingen, Germany
    Trends Cogn Sci 8:47-9. 2004
    ..demonstrate that form cues that imply motion are integrated with real motion information, and influence perception in both humans and monkeys and the neural processing in prototypical motion areas of the monkey brain...
  12. ncbi request reprint The lateral occipital complex and its role in object recognition
    K Grill-Spector
    Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. kalanit2psyche.mit.edu
    Vision Res 41:1409-22. 2001
    ..Overall, these results indicate that the lateral occipital complex plays an important role in human object recognition...
  13. ncbi request reprint Surface segmentation cues influence negative priming for novel and familiar shapes
    F Loula
    Department of Psychology, Rutgers University, Newark, New Jersey 07102, USA
    J Exp Psychol Learn Mem Cogn 26:929-44. 2000
    ..Thus, selective attention for overlapping shapes may be best understood in relation to surface segmentation processes...
  14. ncbi request reprint Cortical regions involved in perceiving object shape
    Z Kourtzi
    Department of Brain and Cognitive Science, Massachusetts Institute of Technology, Cambridge, Massachusetts, 02139, USA
    J Neurosci 20:3310-8. 2000
    ..These results suggest that common regions in the LOC are involved in extracting and/or representing information about object structure from different image cues...
  15. ncbi request reprint The visual representation of three-dimensional, rotating objects
    Z Kourtzi
    Department of Psychology, Rutgers University, Newark, USA
    Acta Psychol (Amst) 102:265-92. 1999
    ..Motion can also enhance path specific view linkage when visible object parts differ across views. Such results suggest that object representations depend on motion processes...
  16. ncbi request reprint Activation in human MT/MST by static images with implied motion
    Z Kourtzi
    Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, NE20 4043, 77 Massachusetts Ave, Cambridge, MA 02139 4307, USA
    J Cogn Neurosci 12:48-55. 2000
    ..These results suggest that brain regions involved in the visual analysis of motion are also engaged in processing implied dynamic information from static images...
  17. ncbi request reprint A binocular rivalry study of motion perception in the human brain
    K Moutoussis
    Max Planck Institute for Biological Cybernetics, Spemannstrasse 38, 72076 Tuebingen, Germany
    Vision Res 45:2231-43. 2005
    ....
  18. ncbi request reprint The integration of object properties
    J Ceraso
    Department of Psychology, Rutgers State University of New Jersey, Newark College of Arts and Sciences 07102, USA
    J Exp Psychol Learn Mem Cogn 24:1152-61. 1998
    ..Unitariness, temporal contiguity, and intention, however, were factors that influenced memory coherence. The authors concluded that integration occurs when properties are encoded as the constituents of a cognitive structure...
  19. ncbi request reprint 3D shape perception from combined depth cues in human visual cortex
    Andrew E Welchman
    Max Planck Institute for Biological Cybernetics, Postfach 2169, 72012 Tübingen, Germany
    Nat Neurosci 8:820-7. 2005
    ..These findings provide insight into the neural circuits engaged when the human brain combines different information sources for unified 3D visual perception...
  20. doi request reprint Experience shapes the utility of natural statistics for perceptual contour integration
    D Samuel Schwarzkopf
    School of Psychology, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
    Curr Biol 18:1162-7. 2008
    ..Thus, short-term experience in adulthood shapes the interpretation of scenes by assigning new statistical utility to image regularities...
  21. doi request reprint Linking form and motion in the primate brain
    Zoe Kourtzi
    School of Psychology, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
    Trends Cogn Sci 12:230-6. 2008
    ....
  22. doi request reprint Neural coding of global form in the human visual cortex
    Dirk Ostwald
    School of Psychology, University of Birmingham, Edgbaston, Birmingham, UK
    J Neurophysiol 99:2456-69. 2008
    ..These findings suggest that the human visual system uses a code of increasing efficiency across stages of analysis that is critical for the successful detection and recognition of objects in complex environments...
  23. ncbi request reprint The cortical representation of objects rotating in depth
    Sarah Weigelt
    Max Planck Institute for Brain Research, D 60528 Frankfurt am Main, Germany
    J Neurosci 27:3864-74. 2007
    ..Together, our neuroimaging study advances the understanding of the cortical mechanisms mediating the influence of motion on object processing...
  24. ncbi request reprint Neural correlates of disparity-defined shape discrimination in the human brain
    Chandramouli Chandrasekaran
    School of Psychology, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
    J Neurophysiol 97:1553-65. 2007
    ....
  25. pmc Uncertainty and invariance in the human visual cortex
    Bosco S Tjan
    Department of Psychology and Neuroscience Graduate Program, University of Southern California, Los Angeles, CA 90007, USA
    J Neurophysiol 96:1556-68. 2006
    ..In particular, our findings provide novel evidence that occipitotemporal areas in the ventral visual pathway form a cascade of decision stages with increasing degree of signal uncertainty and feature invariance...
  26. doi request reprint Multivoxel pattern selectivity for perceptually relevant binocular disparities in the human brain
    Tim J Preston
    School of Psychology, University of Birmingham, Edgbaston, Birmingham, United Kingdom
    J Neurosci 28:11315-27. 2008
    ..Intriguingly, perceptually relevant responses in the dorsal stream are tuned to disparity content and emerge at a comparatively earlier stage than categorical representations for depth position in the ventral stream...
  27. ncbi request reprint Shape saliency modulates contextual processing in the human lateral occipital complex
    Christian F Altmann
    Max Planck Institute for Biological Cybernetics, Tubingen, Germany
    J Cogn Neurosci 16:794-804. 2004
    ..That is, neural populations in the LOC encode context information when relevant to the perception of target shapes, but represent salient targets independent of context changes...
  28. ncbi request reprint Implied motion from form in the human visual cortex
    Bart Krekelberg
    The Salk Institute for Biological Studies, La Jolla, CA 92037, USA
    J Neurophysiol 94:4373-86. 2005
    ..The LOC, however, has different cells that respond to the structure of real motion patterns versus implied motion patterns. Such a differential response may allow ventral areas to further analyze the structure of global patterns...
  29. ncbi request reprint A matching advantage for dynamic human faces
    Ian M Thornton
    Max Planck Institute for Biological Cybernetics, Tubingen, Germany
    Perception 31:113-32. 2002
    ....
  30. ncbi request reprint Perceptual organization of local elements into global shapes in the human visual cortex
    Christian F Altmann
    Max Planck Institute for Biological Cybernetics, Spemannstrasse 38, 72076 Tubingen, Germany
    Curr Biol 13:342-9. 2003
    ..Thus, these findings provide novel evidence for the role of both early feature integration processes and higher stages of visual analysis in coherent visual perception...
  31. doi request reprint Neural substrates for action understanding at different description levels in the human brain
    Vaia Lestou
    School of Psychology, University of Birmingham, Edgbaston, Birmingham, UK
    J Cogn Neurosci 20:324-41. 2008
    ....
  32. ncbi request reprint Flexible coding for categorical decisions in the human brain
    Sheng Li
    School of Psychology, University of Birmingham, Birmingham B15 2TT, United Kingdom
    J Neurosci 27:12321-30. 2007
    ....
  33. ncbi request reprint Learning to discriminate complex movements: biological versus artificial trajectories
    Jan Jastorff
    Laboratory for Action Representation and Learning, Department of Cognitive Neurology, Hertie Institute for Clinical Brain Research, University Clinic, Tubingen, Germany
    J Vis 6:791-804. 2006
    ..This process seems to operate independently of the consistency of the patterns with biologically relevant body shapes but seems to require the compatibility of the learned movements with a global underlying shape...
  34. ncbi request reprint Development of visually evoked cortical activity in infant macaque monkeys studied longitudinally with fMRI
    Zoe Kourtzi
    Max Planck Institute for Biological Cybernetics, 72076 Tuebingen, Germany
    Magn Reson Imaging 24:359-66. 2006
    ..The demonstration of visually evoked BOLD responses in young monkeys shows that the BOLD fMRI technique can usefully be employed to address functional questions of brain development...