ArticleNeuroImage2020
Topographic signatures of global object perception in human visual cortex.
Article in NeuroImage, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Perceiving object size in pictures involves high-level processing.Proceedings. Biological sciences · 2025Article
- Training-induced changes in population receptive field properties in visual cortex: Impact of eccentric vision training on population receptive field properties and the crowding effect.Journal of vision · 2024Article
- Brain Functional Representation of Highly Occluded Object Recognition.Brain sciences · 2023Article
- The role of awareness in shaping responses in human visual cortex.Royal Society open science · 2023Article
- Configuration perceptual learning and its relationship with element perceptual learning.Journal of vision · 2022Article
- The human primary visual cortex (V1) encodes the perceived position of static but not moving objects.Communications biology · 2022Article
- A visual object segmentation algorithm with spatial and temporal coherence inspired by the architecture of the visual cortex.Cognitive processing · 2022Article
- Activity in the Fronto-Parietal and Visual Cortex Is Modulated by Feature-Based Attentional Weighting.Frontiers in neuroscience · 2022Article
- Article
- Gestalts at threshold could reveal Gestalts as predictions.Scientific reports · 2021Article
- Modeling 2D spatio-tactile population receptive fields of the fingertip in human primary somatosensory cortex.Imaging neuroscience (Cambridge, Mass.)Article
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Our visual system readily groups dynamic fragmented input into global objects. How the brain represents global object perception remains however unclear. To address this question, we recorded brain responses using functional magnetic resonance imaging whilst observers viewed a dynamic bistable stimulus that could either be perceived globally (i.e., as a grouped and coherently moving shape) or locally (i.e., as ungrouped and incoherently moving elements). We further estimated population receptive fields and used these to back-project the brain activity measured during stimulus perception into visual space via a searchlight procedure. Global perception resulted in universal suppression of responses in lower visual cortex accompanied by wide-spread enhancement in higher object-sensitive cortex. However, follow-up experiments indicated that higher object-sensitive cortex is suppressed if global perception lacks shape grouping, and that grouping-related suppression can be diffusely confined to stimulated sites and accompanied by background enhancement once stimulus size is reduced. These results speak to a non-generic involvement of higher object-sensitive cortex in perceptual grouping and point to an enhancement-suppression mechanism mediating the perception of figure and ground.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.