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  Body topography parcellates human sensory and motor cortex

Kuehn, E., Dinse, J., Jakobsen, E., Long, X., Schäfer, A., Bazin, P.-L., et al. (2017). Body topography parcellates human sensory and motor cortex. Cerebral Cortex, 27(7), 3790-3805. doi:10.1093/cercor/bhx026.

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 Urheber:
Kuehn, Esther1, 2, 3, 4, Autor           
Dinse, Juliane5, 6, Autor           
Jakobsen, Estrid7, Autor           
Long, Xiangyu1, Autor           
Schäfer, Andreas6, Autor           
Bazin, Pierre-Louis1, 6, Autor           
Villringer, Arno1, Autor           
Sereno, Martin I.2, Autor
Margulies, Daniel S.7, Autor           
Affiliations:
1Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634549              
2Department of Psychology and Language Sciences, University College London, United Kingdom, ou_persistent22              
3Center for Behavioral Brain Sciences, Magdeburg, Germany, ou_persistent22              
4Aging and Cognition Research Group, German Center for Neurodegenerative Diseases, Magdeburg, Germany, ou_persistent22              
5Faculty of Computer Science, Otto von Guericke University Magdeburg, Germany, ou_persistent22              
6Department Neurophysics (Weiskopf), MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_2205649              
7Max Planck Research Group Neuroanatomy and Connectivity, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_1356546              

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Schlagwörter: Embodiment; Hand–face border; Parcellation; Plasticity; Septa
 Zusammenfassung: The cytoarchitectonic map as proposed by Brodmann currently dominates models of human sensorimotor cortical structure, function, and plasticity. According to this model, primary motor cortex, area 4, and primary somatosensory cortex, area 3b, are homogenous areas, with the major division lying between the two. Accumulating empirical and theoretical evidence, however, has begun to question the validity of the Brodmann map for various cortical areas. Here, we combined in vivo cortical myelin mapping with functional connectivity analyses and topographic mapping techniques to reassess the validity of the Brodmann map in human primary sensorimotor cortex. We provide empirical evidence that area 4 and area 3b are not homogenous, but are subdivided into distinct cortical fields, each representing a major body part (the hand and the face). Myelin reductions at the hand–face borders are cortical layer-specific, and coincide with intrinsic functional connectivity borders as defined using large-scale resting state analyses. Our data extend the Brodmann model in human sensorimotor cortex and suggest that body parts are an important organizing principle, similar to the distinction between sensory and motor processing.

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Sprache(n): eng - English
 Datum: 2017-01-092017-02-102017-07-01
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1093/cercor/bhx026
PMID: 28184419
PMC: PMC6248394
 Art des Abschluß: -

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Projektname : -
Grant ID : SAS-2015-LIN-LWC
Förderprogramm : -
Förderorganisation : CBBS ScienceCampus - Leibniz Association
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Förderorganisation : Helmholtz Alliance “ICEMED—Imaging and Curing Environmental Metabolic Diseases”
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Förderprogramm : Marie Sklodowska-Curie International Reintegration Grant
Förderorganisation : European Commission (EC)
Projektname : -
Grant ID : -
Förderprogramm : -
Förderorganisation : Max Planck Institute for Human Cognitive and Brain Sciences and Deutsches Zentrum für Neurodegenerative Erkrankungen, Magdeburg
Projektname : -
Grant ID : -
Förderprogramm : NIH Human Connectome Project
Förderorganisation : NIH Blueprint for Neuroscience Research
Projektname : -
Grant ID : 1U54MH091657
Förderprogramm : -
Förderorganisation : National Institutes of Health (NIH)

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Titel: Cerebral Cortex
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: New York, NY : Oxford University Press
Seiten: - Band / Heft: 27 (7) Artikelnummer: - Start- / Endseite: 3790 - 3805 Identifikator: ISSN: 1047-3211
CoNE: https://pure.mpg.de/cone/journals/resource/954925592440