Human motor cortex relies on sparse and action-specific activation during laughing, smiling and speech production
Abstract: Smiling, laughing, and overt speech production are fundamental to human everyday communication. However, little is known about how the human brain achieves the highly accurate and differentiated control of such orofacial movement during natural conditions. Here, we utilized the high spatiotemporal resolution of subdural recordings to elucidate how human motor cortex is functionally engaged during control of real-life orofacial motor behaviour. For each investigated movement class—lip licking, speech production, laughing and smiling—our findings reveal a characteristic brain activity pattern within the mouth motor cortex with both spatial segregation and overlap between classes. Our findings thus show that motor cortex relies on sparse and action-specific activation during real-life orofacial behaviour, apparently organized in distinct but overlapping subareas that control different types of natural orofacial movements
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Anmerkungen
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issn: 2399-3642
- Schlagwort
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Motorischer Cortex
Aktivierung
Lachen
Lächeln
Sprechen
- Ereignis
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Veröffentlichung
- (wo)
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Freiburg
- (wer)
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Universität
- (wann)
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2019
- Urheber
- DOI
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10.1038/s42003-019-0360-3
- URN
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urn:nbn:de:bsz:25-freidok-1492805
- Rechteinformation
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Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
-
25.03.2025, 13:52 MEZ
Datenpartner
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Beteiligte
- Kern, Markus
- Bert, Sina
- Glanz, Olga
- Schulze-Bonhage, Andreas
- Ball, Tonio
- Universität
Entstanden
- 2019
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