期刊
HARVARD REVIEW OF PSYCHIATRY
卷 24, 期 2, 页码 148-163出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/HRP.0000000000000082
关键词
auditory verbal hallucinations; cognitive neuroscience; EEG; event-related potential; neuroimaging; voice affect; voice identity; voice speech
类别
资金
- Fundacao para a Ciencia e a Tecnologia [SFRH/BD/77681/2011, IF/00334/2012, PTDC/PSI-PCL/116626/2010, PTDC/MHN-PCN/3606/2012]
- Fundação para a Ciência e a Tecnologia [SFRH/BD/77681/2011, PTDC/MHC-PCN/3606/2012, PTDC/PSI-PCL/116626/2010] Funding Source: FCT
Auditory verbal hallucinations (AVH) are a core symptom of schizophrenia. Like real voices, AVH carry a rich amount of linguistic and paralinguistic cues that convey not only speech, but also affect and identity, information. Disturbed processing of voice identity, affective, and speech information has been reported in patients with schizophrenia. More recent evidence has suggested a link between voice-processing abnormalities and specific clinical symptoms of schizophrenia, especially AVH. It is still not well understood, however, to what extent these dimensions are impaired and how abnormalities in these processes might contribute to AVH. In this review, we consider behavioral, neuroimaging, and electrophysiological data to investigate the speech, identity, and affective dimensions of voice processing in schizophrenia, and we discuss how abnormalities in these processes might help to elucidate the mechanisms underlying specific phenomenological features of AVH. Schizophrenia patients exhibit behavioral and neural disturbances in the three dimensions of voice processing. Evidence suggesting a role of dysfunctional voice processing in AVH seems to be stronger for the identity and speech dimensions than for the affective domain.
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