Evaluating Models of Gesture and Speech Production for People With Aphasia

de Beer C, Hogrefe K, Hielscher-Fastabend M, de Ruiter JP (2020)
Cognitive science 44(9): e12890.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
de Beer, Carola; Hogrefe, Katharina; Hielscher-Fastabend, MartinaUniBi ; de Ruiter, Jan P
Abstract / Bemerkung
People with aphasia use gestures not only to communicate relevant content but also to compensate for their verbal limitations. The Sketch Model (De Ruiter, 2000) assumes a flexible relationship between gesture and speech with the possibility of a compensatory use of the two modalities. In the successor of the Sketch Model, the AR-Sketch Model (De Ruiter, 2017), the relationship between iconic gestures and speech is no longer assumed to be flexible and compensatory, but instead iconic gestures are assumed to express information that is redundant to speech. In this study, we evaluated the contradictory predictions of the Sketch Model and the AR-Sketch Model using data collected from people with aphasia as well as a group of people without language impairment. We only found compensatory use of gesture in the people with aphasia, whereas the people without language impairments made very little compensatory use of gestures. Hence, the people with aphasia gestured according to the prediction of the Sketch Model, whereas the people without language impairment did not. We conclude that aphasia fundamentally changes the relationship of gesture and speech. © 2020 Cognitive Science Society, Inc.
Erscheinungsjahr
2020
Zeitschriftentitel
Cognitive science
Band
44
Ausgabe
9
Art.-Nr.
e12890
eISSN
1551-6709
Page URI
https://pub.uni-bielefeld.de/record/2945963

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de Beer C, Hogrefe K, Hielscher-Fastabend M, de Ruiter JP. Evaluating Models of Gesture and Speech Production for People With Aphasia. Cognitive science. 2020;44(9): e12890.
de Beer, C., Hogrefe, K., Hielscher-Fastabend, M., & de Ruiter, J. P. (2020). Evaluating Models of Gesture and Speech Production for People With Aphasia. Cognitive science, 44(9), e12890. doi:10.1111/cogs.12890
de Beer, C., Hogrefe, K., Hielscher-Fastabend, M., and de Ruiter, J. P. (2020). Evaluating Models of Gesture and Speech Production for People With Aphasia. Cognitive science 44:e12890.
de Beer, C., et al., 2020. Evaluating Models of Gesture and Speech Production for People With Aphasia. Cognitive science, 44(9): e12890.
C. de Beer, et al., “Evaluating Models of Gesture and Speech Production for People With Aphasia”, Cognitive science, vol. 44, 2020, : e12890.
de Beer, C., Hogrefe, K., Hielscher-Fastabend, M., de Ruiter, J.P.: Evaluating Models of Gesture and Speech Production for People With Aphasia. Cognitive science. 44, : e12890 (2020).
de Beer, Carola, Hogrefe, Katharina, Hielscher-Fastabend, Martina, and de Ruiter, Jan P. “Evaluating Models of Gesture and Speech Production for People With Aphasia”. Cognitive science 44.9 (2020): e12890.

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