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Neuron densities vary across and within cortical areas in primates.

Abstract：

:The numbers and proportion of neurons in areas and regions of cortex were determined for a single cortical hemisphere from two prosimian galagos, one New World owl monkey, one Old World macaque monkey, and one baboon. The results suggest that there is a common plan of cortical organization across the species examined here and also differences that suggest greater specializations in the Old World monkeys. In all primates examined, primary visual cortex (V1) was the most neuron-dense cortical area and the secondary visual areas had higher-than-average densities. Primary auditory and somatosensory areas tended to have high densities in the Old World macaque and baboon. Neuronal density varies less across cortical areas in prosimian galagos than in the Old World monkeys. Thus, cortical architecture varies greatly within and across primate species, but cell density is greater in cortex devoted to the early stages of sensory processing.

journal_name

Proc Natl Acad Sci U S A

journal_title

Proceedings of the National Academy of Sciences of the United States of America

authors

Collins CE,Airey DC,Young NA,Leitch DB,Kaas JH

doi

10.1073/pnas.1010356107

subject

Has Abstract

pub_date

2010-09-07 00:00:00

pages

15927-32

issue

36

eissn

0027-8424

issn

1091-6490

pii

1010356107

journal_volume

107

pub_type

杂志文章

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