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emotional prosody processing in the schizophrenia spectrum

emotional prosody processing in the schizophrenia spectrum

von Lucia Alba-Ferrara
Taschenbuch - 9783639515350
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Beschreibung

Emotional prosody processing impairment contributes to auditory verbal hallucinations (AVH) formation. This assumption is tested by five studies in healthy, schizotypal and schizophrenia populations. Firstly, the neural underpinnings of emotional prosody processing (EP) in controls, and the modulation of prosodic abilities by hallucination traits are revealed. A neural overlap between EP and AVH is suggested. A schizophrenia spectrum continuum by which high schizotypal population and schizophrenia patients present similar EP difficulties was established. Secondly, two EP related skills in schizophrenia with and without AVH were assessed. Voice identity recognition and implicit processing of EP evaluation revealed that difficulties in both skills are exclusively related to hallucinations. These findings strongly suggest that the perception of prosodic features is impaired in AVH patients, resulting in aberrant perception of irrelevant auditory objects with emotional prosody salience capturing the hearer's attention and which sources (speaker identity) cannot be recognized. Such impairments may be due to abnormalities in a brain network comprising the superior temporal gyrus.

Details

Verlag SPS
Ersterscheinung Oktober 2013
Maße 220 mm x 150 mm x 12 mm
Gewicht 302 Gramm
Format Taschenbuch
ISBN-13 9783639515350
Auflage Nicht bekannt
Seiten 192

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