Visual field maps and stimulus selectivity in human ventral occipital cortex - PubMed

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• PMID: 16025108
• DOI: 10.1038/nn1507

Visual field maps and stimulus selectivity in human ventral occipital cortex

Alyssa A Brewer et al. Nat Neurosci. 2005 Aug.

Erratum in

• Nat Neurosci. 2005 Oct;8(10):1411

Abstract

Human visual cortex is organized into distinct visual field maps whose locations and properties provide important information about visual computations. There are two conflicting models of the organization and computational role of ventral occipital visual field maps. We report new functional MRI measurements that test these models. We also present the first coordinated measurements of visual field maps and stimulus responsivity to color, objects and faces in ventral occipital cortex. These measurements support a model that includes a hemifield map, hV4, adjacent to the central field representation of ventral V3. In addition, the measurements demonstrate a cluster of visual field maps in ventral occipital cortex (VO cluster) anterior to hV4. We describe the organization and stimulus responsivity of two new hemifield maps, VO-1 and VO-2, within this cluster. The maps and stimulus responsivity support a general organization of visual cortex based on clusters of maps that serve distinct computational functions.

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