Categorization and timbre perception of environmental sounds in schizophrenia

Abstract Perception of environmental sounds from impacted materials (Wood, Metal and Glass) was examined by conducting a categorization experiment. Stimuli consisted of sound continua evoking progressive transitions between material categories. Results highlighted shallower response curves in subjec...

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Bibliographic Details
Published in:Psychiatry research 2011-08, Vol.189 (1), p.149-152
Main Authors: Micoulaud-Franchi, Jean-Arthur, Aramaki, Mitsuko, Merer, Adrien, Cermolacce, Michel, Ystad, Solvi, Kronland-Martinet, Richard, Vion-Dury, Jean
Format: Article
Language:English
Subjects:
Acoustic Stimulation - methods
Adult
Adult and adolescent clinical studies
Auditory perception
Auditory Perception - physiology
Auditory Perceptual Disorders - classification
Auditory Perceptual Disorders - etiology
Biological and medical sciences
Computer Science
Environment
Female
Human health and pathology
Humans
Life Sciences
Male
Medical sciences
Psychiatric Status Rating Scales
Psychiatrics and mental health
Psychiatry
Psychology. Psychoanalysis. Psychiatry
Psychopathology. Psychiatry
Psychophysics
Psychoses
Schizophrenia
Schizophrenia - complications
Sound
Statistics, Nonparametric
Young Adult
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Summary:Abstract Perception of environmental sounds from impacted materials (Wood, Metal and Glass) was examined by conducting a categorization experiment. Stimuli consisted of sound continua evoking progressive transitions between material categories. Results highlighted shallower response curves in subjects with schizophrenia than healthy participants, and are discussed in the framework of Signal Detection Theory and in terms of impaired perception of specific timbre features in schizophrenia.
ISSN:0165-1781
1872-7123
DOI:10.1016/j.psychres.2011.03.001