Language and Iconic Gesture Use in Procedural Discourse by Speakers with Aphasia

Pritchard, M., Dipper, L., Morgan, G. & Cocks, N. Language and Iconic Gesture Use in Procedural Discourse by Speakers with Aphasia. Aphasiology, 29(7), pp. 826-844. doi: 10.1080/02687038.2014.993912

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Background: Conveying instructions is an everyday use of language, and gestures are likely to be a key feature of this. Although co-speech iconic gestures are tightly integrated with language, and people with aphasia (PWA) produce procedural discourses impaired at a linguistic level, no previous studies have investigated how PWA use co-speech iconic gestures in these contexts.

Aims: This study investigated how speakers with aphasia communicated meaning using gesture and language in procedural discourses, compared with neurologically healthy speakers. We aimed to identify the relative relationship of gesture and speech, in the context of impaired language, both overall and in individual events.

Methods and Procedures: Twenty nine people with aphasia (PWA) and 29 neurologically healthy control participants (NHP) produced two procedural discourses. The structure and semantic content of language of the whole discourses were analysed through predicate argument structure and spatial motor terms; and gestures were analysed for frequency and semantic form. Gesture and language were analysed in two key events, to determine the relative information presented in each modality.

Outcomes and Results: PWA and NHP used similar frequencies and forms of gestures, although PWA used syntactically simpler language and fewer spatial words. This meant overall, relatively more information was present in PWA gesture. This finding was also reflected in the key events, where PWA used gestures conveying rich semantic information alongside semantically impoverished language more often than NHP.

Item Type: Article
Additional Information: This is an Accepted Manuscript of an article published by Taylor & Francis in Aphasiology on 03 Jan 2015, available online:
Uncontrolled Keywords: Aphasia, Iconic gesture, Procedural discourse, Discourse, Semantic weight
Subjects: P Language and Literature > P Philology. Linguistics
Divisions: School of Health Sciences > Department of Language & Communication Science

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