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  Native and non-native listeners show similar yet distinct oscillatory dynamics when using gestures to access speech in noise

Drijvers, L., Van der Plas, M., Ozyurek, A., & Jensen, O. (2019). Native and non-native listeners show similar yet distinct oscillatory dynamics when using gestures to access speech in noise. NeuroImage, 194, 55-67. doi:10.1016/j.neuroimage.2019.03.032.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-2F24-1 Version Permalink: http://hdl.handle.net/21.11116/0000-0007-AA86-2
Genre: Journal Article

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© 2019 The Authors. Published by Elsevier Inc. This is an open access article under the CC BY license ( http://creativecommons.org/licenses/by/4.0/ ).

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 Creators:
Drijvers, Linda1, 2, 3, 4, Author              
Van der Plas, Mircea5, Author
Ozyurek, Asli3, 5, 6, 7, Author              
Jensen, Ole5, Author              
Affiliations:
1Center for Language Studies , External Organizations, ou_55238              
2International Max Planck Research School for Language Sciences, MPI for Psycholinguistics, Max Planck Society, Nijmegen, NL, ou_1119545              
3Research Associates, MPI for Psycholinguistics, Max Planck Society, ou_2344700              
4The Communicative Brain, MPI for Psycholinguistics, Max Planck Society, Wundtlaan 1, 6525 XD Nijmegen, NL, ou_3275695              
5University of Birmingham, Birmingham, UK, ou_persistent22              
6Donders Institute for Brain, Cognition and Behaviour, External Organizations, ou_55236              
7Multimodal Language and Cognition, Radboud University Nijmegen, External Organizations, ou_3055480              

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 Abstract: Listeners are often challenged by adverse listening conditions during language comprehension induced by external factors, such as noise, but also internal factors, such as being a non-native listener. Visible cues, such as semantic information conveyed by iconic gestures, can enhance language comprehension in such situations. Using magnetoencephalography (MEG) we investigated whether spatiotemporal oscillatory dynamics can predict a listener's benefit of iconic gestures during language comprehension in both internally (non-native versus native listeners) and externally (clear/degraded speech) induced adverse listening conditions. Proficient non-native speakers of Dutch were presented with videos in which an actress uttered a degraded or clear verb, accompanied by a gesture or not, and completed a cued-recall task after every video. The behavioral and oscillatory results obtained from non-native listeners were compared to an MEG study where we presented the same stimuli to native listeners (Drijvers et al., 2018a). Non-native listeners demonstrated a similar gestural enhancement effect as native listeners, but overall scored significantly slower on the cued-recall task. In both native and non-native listeners, an alpha/beta power suppression revealed engagement of the extended language network, motor and visual regions during gestural enhancement of degraded speech comprehension, suggesting similar core processes that support unification and lexical access processes. An individual's alpha/beta power modulation predicted the gestural benefit a listener experienced during degraded speech comprehension. Importantly, however, non-native listeners showed less engagement of the mouth area of the primary somatosensory cortex, left insula (beta), LIFG and ATL (alpha) than native listeners, which suggests that non-native listeners might be hindered in processing the degraded phonological cues and coupling them to the semantic information conveyed by the gesture. Native and non-native listeners thus demonstrated similar yet distinct spatiotemporal oscillatory dynamics when recruiting visual cues to disambiguate degraded speech.

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Language(s): eng - English
 Dates: 2019-032019-03-212019-04
 Publication Status: Published in print
 Pages: -
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 Rev. Type: Peer
 Identifiers: DOI: 10.1016/j.neuroimage.2019.03.032
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Title: NeuroImage
Source Genre: Journal
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Publ. Info: Orlando, FL : Academic Press
Pages: - Volume / Issue: 194 Sequence Number: - Start / End Page: 55 - 67 Identifier: ISSN: 1053-8119
CoNE: https://pure.mpg.de/cone/journals/resource/954922650166