Perceptual organization of local elements into global shapes in the human visual cortex.
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TLDR
Using human fMRI, it is demonstrated that not only higher occipitotemporal but also early retinotopic areas are involved in the perceptual organization and detection of global shapes and provides novel evidence for the role of both early feature integration processes and higher stages of visual analysis in coherent visual perception.About:
This article is published in Current Biology.The article was published on 2003-02-18 and is currently open access. It has received 238 citations till now. The article focuses on the topics: Visual perception & Visual cortex.read more
Citations
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Journal ArticleDOI
The human visual cortex
TL;DR: Recent findings and methods employed to uncover the functional properties of the human visual cortex focusing on two themes: functional specialization and hierarchical processing are reviewed.
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A Century of Gestalt Psychology in Visual Perception I. Perceptual Grouping and Figure-Ground Organization
Johan Wagemans,James H. Elder,Michael Kubovy,Stephen E. Palmer,Mary A. Peterson,Manish Singh,Rüdiger von der Heydt +6 more
TL;DR: An integrated review of the neural mechanisms involved in contour grouping, border ownership, and figure-ground perception is concluded by evaluating what modern vision science has offered compared to traditional Gestalt psychology, whether the authors can speak of a Gestalt revival, and where the remaining limitations and challenges lie.
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The composite face illusion: A whole window into our understanding of holistic face perception
TL;DR: The composite face effect as discussed by the authors has been used in more than 60 studies that have provided information about the specificity and nature of perceptual integration between facial parts, the impairment of this process in acquired prosopagnosia, its developmental course, temporal dynamics, and neural basis.
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Specialization for written words over objects in the visual cortex.
Marcin Szwed,Stanislas Dehaene,Andreas Kleinschmidt,Andreas Kleinschmidt,Evelyn Eger,Romain Valabregue,Alexis Amadon,Laurent D. Cohen,Laurent D. Cohen +8 more
TL;DR: The results concur with recent comparisons of literates and illiterates and suggest that these early visual activations reflect the effects of perceptual learning under pressure for fast, parallel processing that is more prominent in reading than other visual cognitive processes.
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Layer-specific fMRI reflects different neuronal computations at different depths in human V1.
TL;DR: New evidence is provided for the differential sensitivity of high-field fMRI to modulations of the neural responses at different cortical depths and laminar profiles in response to parvocellular- targeting stimuli peak in more superficial layers.
References
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Journal ArticleDOI
Distributed Hierarchical Processing in the Primate Cerebral Cortex
TL;DR: A summary of the layout of cortical areas associated with vision and with other modalities, a computerized database for storing and representing large amounts of information on connectivity patterns, and the application of these data to the analysis of hierarchical organization of the cerebral cortex are reported on.
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Neurophysiological investigation of the basis of the fMRI signal
TL;DR: These findings suggest that the BOLD contrast mechanism reflects the input and intracortical processing of a given area rather than its spiking output, and that LFPs yield a better estimate of BOLD responses than the multi-unit responses.
Book
Principles of gestalt psychology
TL;DR: Routledge is now reissuing this prestigious series of 204 volumes originally published between 1910 and 1965, including works by key figures such as C.G. Jung, Sigmund Freud, Jean Piaget, Otto Rank, James Hillman, Erich Fromm, Karen Horney and Susan Isaacs as discussed by the authors.
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Borders of multiple visual areas in humans revealed by functional magnetic resonance imaging
Martin I. Sereno,Anders M. Dale,Anders M. Dale,J. B. Reppas,Kenneth K. Kwong,John W. Belliveau,Thomas J. Brady,Bruce R. Rosen,Roger B. H. Tootell +8 more
TL;DR: Cortical magnification factor curves for striate and extrastriate cortical areas were determined, which showed that human visual areas have a greater emphasis on the center-of-gaze than their counterparts in monkeys.
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Linear Systems Analysis of Functional Magnetic Resonance Imaging in Human V1
TL;DR: Results from three empirical tests support the hypothesis that fMRI responses in human primary visual cortex (V1) depend separably on stimulus timing and stimulus contrast, and the noise in the fMRI data is independent of stimulus contrast and temporal period.