Zoe Kourtzi

Summary

Affiliation: University of Birmingham
Country: UK

Publications

  1. pmc Learning to predict: exposure to temporal sequences facilitates prediction of future events
    Rosalind Baker
    School of Psychology, University of Birmingham, Birmingham B15 2TT, UK
    Vision Res 99:124-33. 2014
  2. pmc Spatial-temporal modelling of fMRI data through spatially regularized mixture of hidden process models
    Yuan Shen
    School of Computer Science, The University of Birmingham, Birmingham, UK Electronic address
    Neuroimage 84:657-71. 2014
  3. pmc Dissociable circuits for visual shape learning in the young and aging human brain
    Stephen D Mayhew
    School of Psychology, University of Birmingham Birmingham, UK
    Front Hum Neurosci 7:75. 2013
  4. pmc Differences in the time course of learning for hard compared to easy training
    Adrian Garcia
    School of Psychology, University of Birmingham Edgbaston, Birmingham, UK
    Front Psychol 4:110. 2013
  5. doi request reprint Visual learning for perceptual and categorical decisions in the human brain
    Zoe Kourtzi
    School of Psychology, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
    Vision Res 50:433-40. 2010
  6. 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
  7. doi request reprint Neural representations for object perception: structure, category, and adaptive coding
    Zoe Kourtzi
    School of Psychology, University of Birmingham, Edgbaston, Birmingham, B15 2TT, United Kingdom
    Annu Rev Neurosci 34:45-67. 2011
  8. 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
  9. doi request reprint Learning acts on distinct processes for visual form perception in the human brain
    Stephen D Mayhew
    School of Psychology, University of Birmingham, Birmingham B15 2TT, United Kingdom
    J Neurosci 32:775-86. 2012
  10. doi request reprint Learning alters the tuning of functional magnetic resonance imaging patterns for visual forms
    Jiaxiang Zhang
    School of Psychology, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
    J Neurosci 30:14127-33. 2010

Detail Information

Publications44

  1. pmc Learning to predict: exposure to temporal sequences facilitates prediction of future events
    Rosalind Baker
    School of Psychology, University of Birmingham, Birmingham B15 2TT, UK
    Vision Res 99:124-33. 2014
    ..These findings suggest that exposure to temporal regularities in a scene allows us to accumulate knowledge about its global structure and predict future events. ..
  2. pmc Spatial-temporal modelling of fMRI data through spatially regularized mixture of hidden process models
    Yuan Shen
    School of Computer Science, The University of Birmingham, Birmingham, UK Electronic address
    Neuroimage 84:657-71. 2014
    ..Spatio-temporal heterogeneity in the frontal regions seems to be associated with diverse dynamic localizations of the two hidden processes in different subregions of frontal ROIs. ..
  3. pmc Dissociable circuits for visual shape learning in the young and aging human brain
    Stephen D Mayhew
    School of Psychology, University of Birmingham Birmingham, UK
    Front Hum Neurosci 7:75. 2013
    ....
  4. pmc Differences in the time course of learning for hard compared to easy training
    Adrian Garcia
    School of Psychology, University of Birmingham Edgbaston, Birmingham, UK
    Front Psychol 4:110. 2013
    ....
  5. doi request reprint Visual learning for perceptual and categorical decisions in the human brain
    Zoe Kourtzi
    School of Psychology, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
    Vision Res 50:433-40. 2010
    ..We propose that learning plays an important role in translating sensory experiences to decisions and actions by shaping neural representations across cortical circuits in a task-dependent manner...
  6. 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
    ....
  7. doi request reprint Neural representations for object perception: structure, category, and adaptive coding
    Zoe Kourtzi
    School of Psychology, University of Birmingham, Edgbaston, Birmingham, B15 2TT, United Kingdom
    Annu Rev Neurosci 34:45-67. 2011
    ..Future progress in reconciling these findings will depend on more effective sampling of the object domain and direct comparison of these competing hypotheses...
  8. 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
    ....
  9. doi request reprint Learning acts on distinct processes for visual form perception in the human brain
    Stephen D Mayhew
    School of Psychology, University of Birmingham, Birmingham B15 2TT, United Kingdom
    J Neurosci 32:775-86. 2012
    ..Thus, our findings provide evidence that learning acts on distinct visual recognition processes and shapes feedforward interactions across brain areas to support performance in complex perceptual tasks...
  10. doi request reprint Learning alters the tuning of functional magnetic resonance imaging patterns for visual forms
    Jiaxiang Zhang
    School of Psychology, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
    J Neurosci 30:14127-33. 2010
    ..Thus, our findings suggest that learning of visual patterns is implemented by enhancing the response to the preferred stimulus category and reducing the response to nonpreferred stimuli in higher extrastriate visual cortex...
  11. pmc Flexible learning of natural statistics in the human brain
    D Samuel Schwarzkopf
    University of Birmingham, School of Psychology, Edgbaston, Birmingham, B15 2TT, UK
    J Neurophysiol 102:1854-67. 2009
    ..Thus experience at shorter timescales in adulthood supports the adaptive functional optimization of visual circuits for flexible interpretation of natural scenes...
  12. doi request reprint Learning shapes the representation of visual categories in the aging human brain
    Stephen D Mayhew
    University of Birmingham, Birmingham, UK
    J Cogn Neurosci 22:2899-912. 2010
    ..Thus, these findings provide novel evidence for flexible category learning in aging that shapes the neural representations of visual categories to reflect the observers' behavioral judgments...
  13. doi request reprint Learning optimizes decision templates in the human visual cortex
    Shu Guang Kuai
    School of Psychology, University of Birmingham, Birmingham B15 2TT, UK
    Curr Biol 23:1799-804. 2013
    ..Our findings demonstrate that learning optimizes mental templates for perceptual decisions by tuning the representation of informative image parts in higher ventral cortex...
  14. pmc Mechanisms for extracting a signal from noise as revealed through the specificity and generality of task training
    Dorita H F Chang
    School of Psychology, University of Birmingham, Birmingham B15 2TT, United Kingdom
    J Neurosci 33:10962-71. 2013
    ..As such, there is clear potential to harness areas of commonality (both within and between cues) to improve impaired perceptual functions. ..
  15. 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...
  16. doi request reprint Learning shapes the representation of behavioral choice in the human brain
    Sheng Li
    School of Psychology, University of Birmingham, Birmingham, UK
    Neuron 62:441-52. 2009
    ..These findings demonstrate that learning shapes selective representations of sensory readout signals in accordance with the decision criterion to support flexible decisions...
  17. pmc Learning-dependent plasticity with and without training in the human brain
    Jiaxiang Zhang
    School of Psychology, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
    Proc Natl Acad Sci U S A 107:13503-8. 2010
    ..These findings provide insights in understanding how long-term experience and short-term training interact to shape the optimization of visual recognition processes...
  18. doi request reprint Adaptive estimation of three-dimensional structure in the human brain
    Tim J Preston
    School of Psychology, University of Birmingham, Birmingham B15 2TT, United Kingdom
    J Neurosci 29:1688-98. 2009
    ....
  19. 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...
  20. 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
    ....
  21. 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
    ....
  22. doi request reprint Functional neuroimaging of the interference between working memory and the control of periodic ankle movement timing
    Leif Johannsen
    Department of Sport and Health Sciences, Technische Universitat Munchen, Munich, Germany School of Psychology, University of Birmingham, Birmingham, United Kingdom Electronic address
    Neuropsychologia 51:2142-53. 2013
    ....
  23. ncbi request reprint A spatial mixture approach to inferring sub-ROI spatio-temporal patterns from rapid event-related fMRI data
    Yuan Shen
    School of Computer Science, University of Birmingham, UK
    Med Image Comput Comput Assist Interv 16:657-64. 2013
    ..We first verify the proposed model in a controlled experimental setting using synthetic data. The model is further applied to analyzing real fMRI data, with focus on functional homogeneity within individual ROIs...
  24. doi request reprint Learning to see, but not discriminate, visual forms is impaired in aging
    Shu Guang Kuai
    School of Psychology, University of Birmingham, UK
    Psychol Sci 24:412-22. 2013
    ..These findings suggest that visual selection processes, rather than global feature representations, provide a fundamental limit for learning-dependent plasticity in the aging brain...
  25. 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...
  26. pmc Prior knowledge of illumination for 3D perception in the human brain
    Peggy Gerardin
    School of Psychology, University of Birmingham, Birmingham B15 2TT, United Kingdom
    Proc Natl Acad Sci U S A 107:16309-14. 2010
    ..In contrast to previous suggestions, we propose that prior knowledge about illumination is processed in a bottom-up manner and influences the interpretation of 3D structure at higher stages of processing...
  27. doi request reprint Training transfers the limits on perception from parietal to ventral cortex
    Dorita H F Chang
    McGill Vision Research, Department of Ophthalmology, McGill University, Montreal, QC H3A 1A1, Canada School of Psychology, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
    Curr Biol 24:2445-50. 2014
    ..We suggest that generalization is implemented by supplanting dynamic processing conducted in the PPC with specific feature templates stored in the ventral cortex. ..
  28. 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
    ....
  29. doi request reprint Linking brain imaging signals to visual perception
    Andrew E Welchman
    School of Psychology, University of Birmingham, Birmingham, UK
    Vis Neurosci 30:229-41. 2013
    ..Together these approaches provide an important route in seeking to understand the links between physiological and psychological states. ..
  30. 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...
  31. 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...
  32. 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...
  33. 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...
  34. 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
  35. 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...
  36. 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
    ....
  37. 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
    ....
  38. 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...
  39. 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...
  40. 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...
  41. 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...
  42. 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...
  43. 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...
  44. 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
    ....