ArticleFrontiers in human neuroscience2014
Parallel processing in the brain's visual form system: an fMRI study.
Article in Frontiers in human neuroscience, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed.
- Visual Perception and the Emergence of Minimal Representation.Frontiers in psychology · 2021Article
- Feature-coding transitions to conjunction-coding with progression through human visual cortex.Journal of neurophysiology · 2017Article
- A massively asynchronous, parallel brain.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2015Review
- Area V5-a microcosm of the visual brain.Frontiers in integrative neuroscience · 2015Review
- Masking reveals parallel form systems in the visual brain.Frontiers in human neuroscience · 2014Article
- Parallel processing of face and house stimuli by V1 and specialized visual areas: a magnetoencephalographic (MEG) study.Frontiers in human neuroscience · 2014Article
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2 authors.
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Abstract
We here extend and complement our earlier time-based, magneto-encephalographic (MEG), study of the processing of forms by the visual brain (Shigihara and Zeki, 2013) with a functional magnetic resonance imaging (fMRI) study, in order to better localize the activity produced in early visual areas when subjects view simple geometric stimuli of increasing perceptual complexity (lines, angles, rhombuses) constituted from the same elements (lines). Our results show that all three categories of form activate all three visual areas with which we were principally concerned (V1-V3), with angles producing the strongest and rhombuses the weakest activity in all three. The difference between the activity produced by angles and rhombuses was significant, that between lines and rhombuses was trend significant while that between lines and angles was not. Taken together with our earlier MEG results, the present ones suggest that a parallel strategy is used in processing forms, in addition to the well-documented hierarchical strategy.
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