The McGurk effect in self-recognition of people with schizophrenia

Hong Lu1, ChaoChao Pan2
1School of Education, LanZhou City University, and Center for Studies of Ethnic Groups in Northwest China of LanZhou University, People’s Republic of China
2School of Psychology, Northwest Normal University, and Key Laboratory of Behavior and Mental Health, Gansu Province, LanZhou, People’s Republic of China
Cite this article:  Lu, H., & Pan, C. (2020). The McGurk effect in self-recognition of people with schizophrenia. Social Behavior and Personality: An international journal, 48(6), e9219.

Volume 48 Issue 6 | e9219 | Published: June 2020 | DOI: https://doi.org/10.2224/sbp.9219

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The McGurk effect is a robust illusion phenomenon in the perception of speech; however, there is little research on its demonstration in nonverbal domains. Thus, we tested for the McGurk effect in the context of self-recognition. We presented a group of people with schizophrenia and a control group of people without mental illnesses, with 2 videos accompanied by a soundtrack featuring different identity information. The first video had a matched face and voice; the other featured conflicting face–voice information. The participants judged if the voice in the video was their own or someone else’s. The results show there was a robust McGurk effect in self-recognition, which was stronger among participants with schizophrenia because of the influence of self-disorder. Further, people with schizophrenia were less accurate in voice self-recognition when there was conflicting face–voice identity information. Thus, presenting audiovisual-consistent information is conducive to information processing for people with schizophrenia.

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