Proportional anterior commissure area in humans and monkeys.

Abstract:

:Behavioral testing following division of the corpus callosum has shown that the anterior commissure can transfer information related to visual tasks interhemispherically in nonhuman primates but not in humans. We have found that the ratio of anterior commissure cross-sectional area to total neocortical commissural area is significantly greater for rhesus monkeys than for humans. This difference persists when the proportions are weighted for these structures' known differences in axon density. We hypothesize that this interspecies dissimilarity reflects a difference in the distribution of interhemispheric communication and may explain the behavioral differences observed after callosal section.

journal_name

Neurology

journal_title

Neurology

authors

Foxman BT,Oppenheim J,Petito CK,Gazzaniga MS

doi

10.1212/wnl.36.11.1513

subject

Has Abstract

pub_date

1986-11-01 00:00:00

pages

1513-7

issue

11

eissn

0028-3878

issn

1526-632X

journal_volume

36

pub_type

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