Memory for speech and voice identity in schizophrenia

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    Memories of conversations are composed of what was said(speech content) and information about the speaker’s voice (speaker identity).In the current study, we examined whether patients with schizophreniawould show difficulties integrating speech content and speaker identity inmemory, as measured in a gender-identity (male/female) recognition task.Forty-one patients and a comparison group of 20 healthy controls took partin the study. In contrast to controls, patients demonstrated greater impairmentsin memory for female, but not male, voices. These results areconsistent with studies of speech perception that show that female voiceshave more complex “vocal” characteristics and require greater integrationcompared with male voices, and with the context memory hypothesis ofschizophrenia which suggests that memory binding impairments may resultin degraded or incomplete representations of memory traces as the taskrequirements become increasing complex.
    Original languageEnglish
    Pages (from-to)887-891
    JournalJournal of Nervous and Mental Disease
    Issue number12
    Publication statusPublished - 2009

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