Longitudinal connections and the organization of the temporal cortex in macaques, great apes, and humans

The temporal association cortex is considered a primate specialization and is involved in complex behaviors, with some, such as language, particularly characteristic of humans. The emergence of these behaviors has been linked to major differences in temporal lobe white matter in humans compared with...

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Main Authors: Roumazeilles, L, Eichert, N, Bryant, KL, Folloni, D, Sallet, J, Vijayakumar, S, Foxley, S, Tendler, BC, Jbabdi, S, Reveley, C, Verhagen, L, Dershowitz, LB, Guthrie, M, Flach, E, Miller, KL, Mars, RB
Format: Journal article
Language:English
Published: Public Library of Science 2020
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author Roumazeilles, L
Eichert, N
Bryant, KL
Folloni, D
Sallet, J
Vijayakumar, S
Foxley, S
Tendler, BC
Jbabdi, S
Reveley, C
Verhagen, L
Dershowitz, LB
Guthrie, M
Flach, E
Miller, KL
Mars, RB
author_facet Roumazeilles, L
Eichert, N
Bryant, KL
Folloni, D
Sallet, J
Vijayakumar, S
Foxley, S
Tendler, BC
Jbabdi, S
Reveley, C
Verhagen, L
Dershowitz, LB
Guthrie, M
Flach, E
Miller, KL
Mars, RB
author_sort Roumazeilles, L
collection OXFORD
description The temporal association cortex is considered a primate specialization and is involved in complex behaviors, with some, such as language, particularly characteristic of humans. The emergence of these behaviors has been linked to major differences in temporal lobe white matter in humans compared with monkeys. It is unknown, however, how the organization of the temporal lobe differs across several anthropoid primates. Therefore, we systematically compared the organization of the major temporal lobe white matter tracts in the human, gorilla, and chimpanzee great apes and in the macaque monkey. We show that humans and great apes, in particular the chimpanzee, exhibit an expanded and more complex occipital–temporal white matter system; additionally, in humans, the invasion of dorsal tracts into the temporal lobe provides a further specialization. We demonstrate the reorganization of different tracts along the primate evolutionary tree, including distinctive connectivity of human temporal gray matter.
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spelling oxford-uuid:95c687e6-1265-4415-960f-d4c6ee0deabb2022-03-26T23:48:33ZLongitudinal connections and the organization of the temporal cortex in macaques, great apes, and humansJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:95c687e6-1265-4415-960f-d4c6ee0deabbEnglishSymplectic ElementsPublic Library of Science2020Roumazeilles, LEichert, NBryant, KLFolloni, DSallet, JVijayakumar, SFoxley, STendler, BCJbabdi, SReveley, CVerhagen, LDershowitz, LBGuthrie, MFlach, EMiller, KLMars, RBThe temporal association cortex is considered a primate specialization and is involved in complex behaviors, with some, such as language, particularly characteristic of humans. The emergence of these behaviors has been linked to major differences in temporal lobe white matter in humans compared with monkeys. It is unknown, however, how the organization of the temporal lobe differs across several anthropoid primates. Therefore, we systematically compared the organization of the major temporal lobe white matter tracts in the human, gorilla, and chimpanzee great apes and in the macaque monkey. We show that humans and great apes, in particular the chimpanzee, exhibit an expanded and more complex occipital–temporal white matter system; additionally, in humans, the invasion of dorsal tracts into the temporal lobe provides a further specialization. We demonstrate the reorganization of different tracts along the primate evolutionary tree, including distinctive connectivity of human temporal gray matter.
spellingShingle Roumazeilles, L
Eichert, N
Bryant, KL
Folloni, D
Sallet, J
Vijayakumar, S
Foxley, S
Tendler, BC
Jbabdi, S
Reveley, C
Verhagen, L
Dershowitz, LB
Guthrie, M
Flach, E
Miller, KL
Mars, RB
Longitudinal connections and the organization of the temporal cortex in macaques, great apes, and humans
title Longitudinal connections and the organization of the temporal cortex in macaques, great apes, and humans
title_full Longitudinal connections and the organization of the temporal cortex in macaques, great apes, and humans
title_fullStr Longitudinal connections and the organization of the temporal cortex in macaques, great apes, and humans
title_full_unstemmed Longitudinal connections and the organization of the temporal cortex in macaques, great apes, and humans
title_short Longitudinal connections and the organization of the temporal cortex in macaques, great apes, and humans
title_sort longitudinal connections and the organization of the temporal cortex in macaques great apes and humans
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