Journal article

Multimodal communication in aphasia: perception and production of co-speech gestures during face-to-face conversation

  • Preisig, Basil C. Perception and Eye Movement Laboratory, Department of Neurology and Clinical Research, University of Bern Inselspital, Bern, Switzerland - Donders Centre for Cognitive Neuroimaging, Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, Netherlands
  • Eggenberger, Noëmi Perception and Eye Movement Laboratory, Department of Neurology and Clinical Research, University of Bern Inselspital, Bern, Switzerland
  • Cazzoli, Dario Gerontechnology and Rehabilitation Group, ARTORG Center for Biomedical Engineering Research, University of Bern, Switzerland
  • Nyffeler, Thomas Perception and Eye Movement Laboratory, Department of Neurology and Clinical Research, University of Bern Inselspital, Bern, Switzerland - Center of Neurology and Neurorehabilitation, Luzerner Kantonsspital, Luzern, Switzerland
  • Gutbrod, Klemens University Neurorehabilitation Clinics, Department of Neurology, University of Bern Inselspital, Bern, Switzerland
  • Annoni, Jean-Marie Neurology Unit, Laboratory for Cognitive and Neurological Sciences, Department of Medicine, Faculty of Science, University of Fribourg, Switzerland
  • Meichtry, Jurka R. Perception and Eye Movement Laboratory, Department of Neurology and Clinical Research, University of Bern Inselspital, Bern, Switzerland - University Neurorehabilitation Clinics, Department of Neurology, University of Bern Inselspital, Bern, Switzerland
  • Nef, Tobias Gerontechnology and Rehabilitation Group, ARTORG Center for Biomedical Engineering Research, University of Bern, Switzerland
  • Müri, René M. Perception and Eye Movement Laboratory, Department of Neurology and Clinical Research, University of Bern Inselspital, Bern, Switzerland - Gerontechnology and Rehabilitation Group, ARTORG Center for Biomedical Engineering Research, University of Bern, Switzerland - University Neurorehabilitation Clinics, Department of Neurology, University of Bern Inselspital, Bern, Switzerland
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    2018
Published in:
  • Frontiers in Human Neuroscience. - 2018, vol. 12
English The role of nonverbal communication in patients with post-stroke language impairment (aphasia) is not yet fully understood. This study investigated how aphasic patients perceive and produce co-speech gestures during face-to-face interaction, and whether distinct brain lesions would predict the frequency of spontaneous co-speech gesturing. For this purpose, we recorded samples of conversations in patients with aphasia and healthy participants. Gesture perception was assessed by means of a head-mounted eye-tracking system, and the produced co-speech gestures were coded according to a linguistic classification system. The main results are that meaning-laden gestures (e.g., iconic gestures representing object shapes) are more likely to attract visual attention than meaningless hand movements, and that patients with aphasia are more likely to fixate co-speech gestures overall than healthy participants. This implies that patients with aphasia may benefit from the multimodal information provided by co-speech gestures. On the level of co-speech gesture production, we found that patients with damage to the anterior part of the arcuate fasciculus showed a higher frequency of meaning-laden gestures. This area lies in close vicinity to the premotor cortex and is considered to be important for speech production. This may suggest that the use of meaning-laden gestures depends on the integrity of patients’ speech production abilities.
Faculty
Faculté des sciences et de médecine
Department
Médecine 3ème année
Language
  • English
Classification
Biology
License
License undefined
Identifiers
Persistent URL
https://folia.unifr.ch/unifr/documents/307137
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