Preprint Article Version 1 This version is not peer-reviewed

Auditory-Visual Speech Perception in Bipolar Disorder: A Preliminary Study

Version 1 : Received: 4 July 2018 / Approved: 6 July 2018 / Online: 6 July 2018 (05:21:19 CEST)

A peer-reviewed article of this Preprint also exists.

Yordamlı, A.; Erdener, D. Auditory–Visual Speech Integration in Bipolar Disorder: A Preliminary Study. Languages 2018, 3, 38. Yordamlı, A.; Erdener, D. Auditory–Visual Speech Integration in Bipolar Disorder: A Preliminary Study. Languages 2018, 3, 38.

Journal reference: Languages 2018, 3, 38
DOI: 10.3390/languages3040038

Abstract

The focus of this study was to investigate how individuals with bipolar disorder integrate auditory and visual speech information compared to non-disordered individuals and whether there were any differences in auditory and visual speech integration in the manic and depressive episodes in bipolar disorder patients. It was hypothesized that bipolar groups’ auditory-visual speech integration would be less robust than the control group. Further, it was predicted that those in the manic phase of bipolar disorder would integrate visual speech information more than their depressive phase counterparts. To examine these, the McGurk effect paradigm was used with typical auditory-visual speech (AV) as well as auditory-only (AO) speech perception on visual-only (VO) stimuli. Results. Results showed that the disordered and non-disordered groups did not differ on auditory-visual speech (AV) integration and auditory-only (AO) speech perception but on visual-only (VO) stimuli. The results are interpreted to pave the way for further research whereby both behavioural and physiological data are collected simultaneously. This will allow us understand the full dynamics of how, actually, the auditory and visual (relatively impoverished in bipolar disorder) speech information are integrated in people with bipolar disorder.

Subject Areas

auditory-visual speech perception; bipolar disorder; speech perception

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