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  Self-voice perception and its relationship with hallucination predisposition

Pinheiro, A. P., Farinha-Fernandes, A., Roberto, M. S., & Kotz, S. A. (2019). Self-voice perception and its relationship with hallucination predisposition. Cognitive Neuropsychiatry, 24(4), 237 -255. doi:10.1080/13546805.2019.1621159.

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 Urheber:
Pinheiro, Ana P.1, Autor
Farinha-Fernandes, Antonio1, Autor
Roberto, Magda S.1, Autor
Kotz, Sonja A.2, 3, Autor           
Affiliations:
1Faculty of Psychology, University of Lisbon, Portugal, ou_persistent22              
2Faculty of Psychology and Neuroscience, Maastricht University, the Netherlands, ou_persistent22              
3Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634551              

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Schlagwörter: Hallucination predisposition; Self; Voice; Discrimination; Recognition
 Zusammenfassung: Introduction: Auditory verbal hallucinations (AVH) are a core symptom of psychotic disorders such as schizophrenia but are also reported in 10–15% of the general population. Impairments in self-voice recognition are frequently reported in schizophrenia and associated with the severity of AVH, particularly when the self-voice has a negative quality. However, whether self-voice processing is also affected in nonclinical voice hearers remains to be specified.

Methods: Thirty-five nonclinical participants varying in hallucination predisposition based on the Launay-Slade Hallucination Scale, listened to prerecorded words and vocalisations differing in identity (self/other) and emotional quality. In Experiment 1, participants indicated whether words were spoken in their own voice, another voice, or whether they were unsure (recognition task). They were also asked whether pairs of words/vocalisations were uttered by the same or by a different speaker (discrimination task). In Experiment 2, participants judged the emotional quality of the words/vocalisations.

Results: In Experiment 1, hallucination predisposition affected voice discrimination and recognition, irrespective of stimulus valence. Hallucination predisposition did not affect the evaluation of the emotional valence of words/vocalisations (Experiment 2).

Conclusions: These findings suggest that nonclinical participants with high HP experience altered voice identity processing, whereas HP does not affect the perception of vocal emotion. Specific alterations in self-voice perception in clinical and nonclinical voice hearers may establish a core feature of the psychosis continuum.

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Sprache(n): eng - English
 Datum: 2018-08-272019-05-132019-06-10
 Publikationsstatus: Online veröffentlicht
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1080/13546805.2019.1621159
Anderer: Epub ahead of print
PMID: 31177920
 Art des Abschluß: -

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Projektname : -
Grant ID : PTDC/MHC-PCN/0101/2014
Förderprogramm : -
Förderorganisation : Fundação para a Ciência e a Tecnologia
Projektname : -
Grant ID : BIAL 238/16
Förderprogramm : -
Förderorganisation : Bial Foundation

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Titel: Cognitive Neuropsychiatry
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: London : Taylor & Francis
Seiten: - Band / Heft: 24 (4) Artikelnummer: - Start- / Endseite: 237 - 255 Identifikator: ISSN: 1464-0619
CoNE: https://pure.mpg.de/cone/journals/resource/1464-0619