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Is this my voice or yours? The role of emotion and acoustic quality in self-other voice discrimination in schizophrenia.

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Title: Is this my voice or yours? The role of emotion and acoustic quality in self-other voice discrimination in schizophrenia.
Authors: Pinheiro, Ana P. (AUTHOR), Rezaii, Neguine (AUTHOR), Rauber, Andréia (AUTHOR), Niznikiewicz, Margaret (AUTHOR)
Source: Cognitive Neuropsychiatry. Jul2016, Vol. 21 Issue 4, p335-353. 19p. 5 Charts, 2 Graphs.
Subjects: Psychological stress evaluation of the voice, Schizophrenia, Emotions, Auditory hallucinations, Speech perception
Abstract: Introduction: Impairments in self-other voice discrimination have been consistently reported in schizophrenia, and associated with the severity of auditory verbal hallucinations (AVHs). This study probed the interactions between voice identity, voice acoustic quality, and semantic valence in a self-other voice discrimination task in schizophrenia patients compared with healthy subjects. The relationship between voice identity discrimination and AVH severity was also explored. Methods: Seventeen chronic schizophrenia patients and 19 healthy controls were asked to read aloud a list of adjectives characterised by emotional or neutral content. Participants’ voice was recorded in the first session. In the behavioural task, 840 spoken words differing in identity (self/non-self), acoustic quality (undistorted/distorted), and semantic valence (negative/positive/neutral) were presented. Participants indicated if the words were spoken in their own voice, another person’s voice, or were unsure. Results: Patients were less accurate than controls in the recognition of self-generated speech with negative content only. Impaired recognition of negative self-generated speech was associated with AVH severity (“voices conversing”). Conclusions: These results suggest that abnormalities in higher order processes (evaluation of the salience of a speech stimulus) modulate impaired self-other voice discrimination in schizophrenia. Abnormal processing of negative self-generated speech may play a role in the experience of AVH. [ABSTRACT FROM AUTHOR]
Copyright of Cognitive Neuropsychiatry is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Is this my voice or yours? The role of emotion and acoustic quality in self-other voice discrimination in schizophrenia.
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  Data: <searchLink fieldCode="AR" term="%22Pinheiro%2C+Ana+P%2E%22">Pinheiro, Ana P.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rezaii%2C+Neguine%22">Rezaii, Neguine</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rauber%2C+Andréia%22">Rauber, Andréia</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Niznikiewicz%2C+Margaret%22">Niznikiewicz, Margaret</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Cognitive+Neuropsychiatry%22">Cognitive Neuropsychiatry</searchLink>. Jul2016, Vol. 21 Issue 4, p335-353. 19p. 5 Charts, 2 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Psychological+stress+evaluation+of+the+voice%22">Psychological stress evaluation of the voice</searchLink><br /><searchLink fieldCode="DE" term="%22Schizophrenia%22">Schizophrenia</searchLink><br /><searchLink fieldCode="DE" term="%22Emotions%22">Emotions</searchLink><br /><searchLink fieldCode="DE" term="%22Auditory+hallucinations%22">Auditory hallucinations</searchLink><br /><searchLink fieldCode="DE" term="%22Speech+perception%22">Speech perception</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Introduction: Impairments in self-other voice discrimination have been consistently reported in schizophrenia, and associated with the severity of auditory verbal hallucinations (AVHs). This study probed the interactions between voice identity, voice acoustic quality, and semantic valence in a self-other voice discrimination task in schizophrenia patients compared with healthy subjects. The relationship between voice identity discrimination and AVH severity was also explored. Methods: Seventeen chronic schizophrenia patients and 19 healthy controls were asked to read aloud a list of adjectives characterised by emotional or neutral content. Participants’ voice was recorded in the first session. In the behavioural task, 840 spoken words differing in identity (self/non-self), acoustic quality (undistorted/distorted), and semantic valence (negative/positive/neutral) were presented. Participants indicated if the words were spoken in their own voice, another person’s voice, or were unsure. Results: Patients were less accurate than controls in the recognition of self-generated speech with negative content only. Impaired recognition of negative self-generated speech was associated with AVH severity (“voices conversing”). Conclusions: These results suggest that abnormalities in higher order processes (evaluation of the salience of a speech stimulus) modulate impaired self-other voice discrimination in schizophrenia. Abnormal processing of negative self-generated speech may play a role in the experience of AVH. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Cognitive Neuropsychiatry is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1080/13546805.2016.1208611
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              Text: Jul2016
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