ArticleiScience2024
Laminar dissociation of feedforward and feedback in high-level ventral visual cortex during imagery and perception.
Article in iScience, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- UltraFast Layer-Resolved Encoding (uFLARE) functional MRI deciphers bidirectional signaling from spontaneous activity.Nature communications · 2026Article
- Article
- The human brain mechanisms of afterimages: From networks to cortical layers.bioRxiv : the preprint server for biology · 2025Article
- Recurrence affects the geometry of visual representations across the ventral visual stream in the human brain.PLoS biology · 2025Article
- Short-term gradient imperfections in high-resolution EPI lead to Fuzzy Ripple artifacts.Magnetic resonance in medicine · 2025Article
- Layer-specific spatiotemporal dynamics of feedforward and feedback in human visual object perception.bioRxiv : the preprint server for biology · 2025Article
- In the brain of the beholder: bi-stable motion reveals mesoscopic-scale feedback modulation in V1.Brain structure & function · 2025Article
- Closed-loop fMRI at the mesoscopic scale of columns and layers: Can we do it and why would we want to?Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2024Article
- Fuzzy ripple artifact in high resolution fMRI: identification, cause, and mitigation.bioRxiv : the preprint server for biology · 2024Article
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Authors and funding
6 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Visual imagery and perception share neural machinery but rely on different information flow. While perception is driven by the integration of sensory feedforward and internally generated feedback information, imagery relies on feedback only. This suggests that although imagery and perception may activate overlapping brain regions, they do so in informationally distinctive ways. Using lamina-resolved MRI at 7 T, we measured the neural activity during imagery and perception of faces and scenes in high-level ventral visual cortex at the mesoscale of laminar organization that distinguishes feedforward from feedback signals. We found distinctive laminar profiles for imagery and perception of scenes and faces in the parahippocampal place area and the fusiform face area, respectively. Our findings provide insight into the neural basis of the phenomenology of visual imagery versus perception and shed new light into the mesoscale organization of feedforward and feedback information flow in high-level ventral visual cortex.
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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.