Universität zu Köln

Glanz, Olga (Ijina), Derix, Johanna, Kaur, Rajbir, Schulze-Bonhage, Andreas, Auer, Peter, Aertsen, Ad and Ball, Tonio (2018). Real-life speech production and perception have a shared premotor-cortical substrate. Sci Rep, 8. LONDON: NATURE PUBLISHING GROUP. ISSN 2045-2322

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Abstract

Motor-cognitive accounts assume that the articulatory cortex is involved in language comprehension, but previous studies may have observed such an involvement as an artefact of experimental procedures. Here, we employed electrocorticography (ECoG) during natural, non-experimental behavior combined with electrocortical stimulation mapping to study the neural basis of real-life human verbal communication. We took advantage of ECoG's ability to capture high-gamma activity (70-350 Hz) as a spatially and temporally precise index of cortical activation during unconstrained, naturalistic speech production and perception conditions. Our findings show that an electrostimulation-defined mouth motor region located in the superior ventral premotor cortex is consistently activated during both conditions. This region became active early relative to the onset of speech production and was recruited during speech perception regardless of acoustic background noise. Our study thus pinpoints a shared ventral premotor substrate for real-life speech production and perception with its basic properties.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Glanz, Olga (Ijina) UNSPECIFIED UNSPECIFIED UNSPECIFIED Derix, Johanna UNSPECIFIED UNSPECIFIED UNSPECIFIED Kaur, Rajbir UNSPECIFIED UNSPECIFIED UNSPECIFIED Schulze-Bonhage, Andreas UNSPECIFIED UNSPECIFIED UNSPECIFIED Auer, Peter UNSPECIFIED UNSPECIFIED UNSPECIFIED Aertsen, Ad UNSPECIFIED UNSPECIFIED UNSPECIFIED Ball, Tonio UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-182905
DOI:	10.1038/s41598-018-26801-x
Journal or Publication Title:	Sci Rep
Volume:	8
Date:	2018
Publisher:	NATURE PUBLISHING GROUP
Place of Publication:	LONDON
ISSN:	2045-2322
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language ELECTROCORTICOGRAPHIC GAMMA ACTIVITY; AUDIOVISUAL SPEECH; CORTEX; MOTOR; LANGUAGE; ORGANIZATION; AREAS; ACTIVATION; FMRI; STIMULATION Multiple languages Multidisciplinary Sciences Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/18290