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Self-voice perception and its relationship with hallucination predisposition

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Self-voice perception and its relationship with hallucination predisposition. / Pinheiro, Ana P; Farinha-Fernandes, António; Roberto, Magda S; Kotz, Sonja A.

In: Cognitive Neuropsychiatry, Vol. 24, No. 4, 04.07.2019, p. 237-255.

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Pinheiro, Ana P ; Farinha-Fernandes, António ; Roberto, Magda S ; Kotz, Sonja A. / Self-voice perception and its relationship with hallucination predisposition. In: Cognitive Neuropsychiatry. 2019 ; Vol. 24, No. 4. pp. 237-255.

Bibtex

@article{eb25233ce10b445ba1c6197c855b5474,
title = "Self-voice perception and its relationship with hallucination predisposition",
abstract = "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.",
keywords = "AUDITORY-VERBAL HALLUCINATIONS, EMOTION, HEALTHY, Hallucination predisposition, IDENTITY DISCRIMINATION, MISATTRIBUTION, MODEL, PRONENESS, RECOGNITION, SCHIZOPHRENIA, SPEECH, discrimination, recognition, self, voice",
author = "Pinheiro, {Ana P} and Ant{\'o}nio Farinha-Fernandes and Roberto, {Magda S} and Kotz, {Sonja A}",
year = "2019",
month = "7",
day = "4",
doi = "10.1080/13546805.2019.1621159",
language = "English",
volume = "24",
pages = "237--255",
journal = "Cognitive Neuropsychiatry",
issn = "1354-6805",
publisher = "Routledge/Taylor & Francis Group",
number = "4",

}

RIS

TY - JOUR

T1 - Self-voice perception and its relationship with hallucination predisposition

AU - Pinheiro, Ana P

AU - Farinha-Fernandes, António

AU - Roberto, Magda S

AU - Kotz, Sonja A

PY - 2019/7/4

Y1 - 2019/7/4

N2 - 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.

AB - 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.

KW - AUDITORY-VERBAL HALLUCINATIONS

KW - EMOTION

KW - HEALTHY

KW - Hallucination predisposition

KW - IDENTITY DISCRIMINATION

KW - MISATTRIBUTION

KW - MODEL

KW - PRONENESS

KW - RECOGNITION

KW - SCHIZOPHRENIA

KW - SPEECH

KW - discrimination

KW - recognition

KW - self

KW - voice

U2 - 10.1080/13546805.2019.1621159

DO - 10.1080/13546805.2019.1621159

M3 - Article

VL - 24

SP - 237

EP - 255

JO - Cognitive Neuropsychiatry

T2 - Cognitive Neuropsychiatry

JF - Cognitive Neuropsychiatry

SN - 1354-6805

IS - 4

ER -