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  Human cerebellar sub-millimeter diffusion imaging reveals the motor and non-motor topography of the dentate nucleus

Steele, C., Anwander, A., Bazin, P.-L., Trampel, R., Schäfer, A., Turner, R., et al. (2017). Human cerebellar sub-millimeter diffusion imaging reveals the motor and non-motor topography of the dentate nucleus. Cerebral Cortex, 27(9), 4537-4548. doi:10.1093/cercor/bhw258.

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Steele_CerebCortex_preprint_2017.pdf (Preprint), 3MB
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 Urheber:
Steele, Christopher1, Autor           
Anwander, Alfred2, Autor           
Bazin, Pierre-Louis1, 3, Autor           
Trampel, Robert3, Autor           
Schäfer, Andreas3, Autor           
Turner, Robert4, Autor           
Ramnani, Narender5, Autor
Villringer, Arno1, Autor           
Affiliations:
1Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634549              
2Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634551              
3Department Neurophysics (Weiskopf), MPI for Human Cognitive and Brain Sciences, Max Planck Society, Leipzig, DE, ou_2205649              
4Department Neurophysics, MPI for Human Cognitive and Brain Sciences, Max Planck Society, Leipzig, DE, ou_634550              
5Department of Psychology, Royal Holloway University of London, United Kingdom, ou_persistent22              

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Schlagwörter: Cerebellum and cognition; Cortico-cerebellar loop; Dentate nucleus; Motor and non-motor cerebellar white-matter connectivity
 Zusammenfassung: The reciprocal cortico-cerebellar loops that underlie cerebellar contributions to motor and cognitive behavior form one of the largest systems in the primate brain. Work with non-human primates has shown that the dentate nucleus, the major output nucleus of the cerebellum, contains topographically distinct connections to both motor and non-motor regions, yet there is no evidence for how the cerebellar cortex connects to the dentate nuclei in humans. Here we used in-vivo sub-millimeter diffusion imaging to characterize this fundamental component of the cortico-cerebellar loop, and identified a pattern of superior motor and infero-lateral non-motor connectivity strikingly similar to that proposed by animal work. Crucially, we also present first evidence that the dominance for motor connectivity observed in non-human primates may be significantly reduced in man – a finding that is in accordance with the proposed increase in cerebellar contributions to higher cognitive behavior over the course of primate evolution.

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Sprache(n): eng - English
 Datum: 2016-07-272016-08-012016-09-062017-09-01
 Publikationsstatus: Erschienen
 Seiten: -
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 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1093/cercor/bhw258
PMID: 27600851
 Art des Abschluß: -

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Förderprogramm : Post-Doctoral Fellowship
Förderorganisation : Fonds de recherche du Québec – Nature et technologies (FRQNT)

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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 (9) Artikelnummer: - Start- / Endseite: 4537 - 4548 Identifikator: ISSN: 1047-3211
CoNE: https://pure.mpg.de/cone/journals/resource/954925592440