This title appears in the Scientific Report :
2010
Please use the identifier:
http://dx.doi.org/10.1093/cercor/bhp158 in citations.
Comparative Cytoarchitectural Analyses of Striate and Extrastriate Areas in Hominoids
Comparative Cytoarchitectural Analyses of Striate and Extrastriate Areas in Hominoids
The visual cortex is the largest sensory modality representation in the neocortex of humans and closely related species, and its size and organization has a central role in discussions of brain evolution. Yet little is known about the organization of visual brain structures in the species closest to...
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Personal Name(s): | De Sousa, A.A. |
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Sherwood, C.C. / Schleicher, A. / Amunts, K. / MacLeod, C.E. / Hof, P.R. / Zilles, K. | |
Contributing Institute: |
Molekulare Organisation des Gehirns; INM-2 JARA-BRAIN; JARA-BRAIN Strukturelle und funktionelle Organisation des Gehirns; INM-1 |
Published in: | Cerebral cortex, 20 (2010) S. 966 - 987 |
Imprint: |
Oxford
Oxford Univ. Press
2010
|
Physical Description: |
966 - 987 |
DOI: |
10.1093/cercor/bhp158 |
PubMed ID: |
19776344 |
Document Type: |
Journal Article |
Research Program: |
Connectivity and Activity Funktion und Dysfunktion des Nervensystems |
Series Title: |
Cerebral Cortex
20 |
Subject (ZB): | |
Publikationsportal JuSER |
The visual cortex is the largest sensory modality representation in the neocortex of humans and closely related species, and its size and organization has a central role in discussions of brain evolution. Yet little is known about the organization of visual brain structures in the species closest to humans--the apes--thus, making it difficult to evaluate hypotheses about recent evolutionary changes. The primate visual cortex is comprised of numerous cytoarchitectonically distinct areas, each of which has a specific role in the processing of visual stimuli. We examined the histological organization of striate (V1) and 2 extrastriate (V2 and ventral posterior) cortical areas in humans, 5 ape species, and a macaque. The cytoarchitectural patterns of visual areas were compared across species using quantitative descriptions of cell volume densities and laminar patterns. We also investigated potential scaling relationships between cell volume density and several brain, body, and visual system variables. The results suggest that interspecific variability in the cytoarchitectural organization of visual system structures can arise independently of global brain and body size scaling relationships. In particular, species-specific differences in cell volume density seem to be most closely linked to the size of structures in the visual system. |