Cognitive processing in the primary visual cortex: from perception to memory.

Full Abstract

The primary visual cortex is the first cortical area of the visual system that receives information from the external visual world. Based on the receptive field characteristics of the neurons in this area, it has been assumed that the primary visual cortex is a pure sensory area extracting basic elements of the visual scene. This information is then subsequently further processed upstream in the higher-order visual areas and provides us with perception and storage of the visual environment. However, recent findings show that such neural implementations are observed in the primary visual cortex. These neural correlates are expressed by the modulated activity of the late response of a neuron to a stimulus, and most likely depend on recurrent interactions between several areas of the visual system. This favors the concept of a distributed nature of visual processing in perceptual organization.

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Author information

Author/s: Supèr, Hans (H);

Affiliation: Graduate School of Neurosciences, Department of Visual System Analysis, University of Amsterdam and The Netherlands Ophthalmic Research Institute, Amsterdam, The Netherlands. h.super(-atsign-)ioi.knaw.nl

Journal and publication information

Publication Type: Journal Article; Review

Journal: Reviews in the neurosciences (Rev Neurosci), published in England. (Language: eng)

Reference: 2002-; vol 13 (issue 4) : pp 287-98

Dates: Created 2003/01/24; Completed 2003/03/07; Revised 2005/11/16;

PMID: 12542258, status: MEDLINE (last retrieval date: 12/26/2008)

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Animals
Attention - physiology
Cognition - physiology
Humans
Memory - physiology

Memory - physiology
Perception - physiology
Photic Stimulation
Time Factors
Visual Cortex - anatomy & histology; physiology

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