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Author (up) Woodward, T.S.; Menon, M.; Hu, X.; Keefe, R.S.E.
Title Optimization of a multinomial model for investigating hallucinations and delusions with source monitoring Type Journal Article
Year 2006 Publication Schizophrenia Research Abbreviated Journal
Volume 85 Issue 1 Pages 106-112
Keywords hallucinations; delusions; source monitoring; multinomial model; schizophrenia; Models
Abstract Studies of source monitoring have played an important role in cognitive investigations of the inner/outer confusions that characterize hallucinations and delusions in schizophrenia, and multinomial modelling is a statistical/cognitive modelling technique that provides a powerful method for analyzing source monitoring data. The purpose of the current work is to describe how multinomial models can be optimized to answer direct questions about hallucinations and delusions in schizophrenia research. To demonstrate this, we present a reanalysis of previously published source monitoring data, comparing a group of patients with schneiderian first rank symptoms to a group without schneiderian first rank symptoms. The main findings of this analysis were (1) impaired recognition of self-generated items and (2) evidence that impaired source discrimination of perceived items is accompanied by an internalization bias in the target symptom group. Statistical and cognitive interpretations of the findings are discussed. (PsycINFO Database Record (c) 2007 APA, all rights reserved) (from the journal abstract)
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Publisher Elsevier Science Place of Publication Woodward, Todd S., Department of Research, Riverview Hospital, Room 105, Administration Building, 26 Editor
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Notes 0920-9964Accession Number: 2006-08996-011. First Author & Affiliation: Woodward, Todd S.; Department of Research, Riverview Hospital, Coquitlam, Canada. Other Journal Title: Schizophrenia Research. Release Date: 20060724. Publication Type: Journal (0100) Peer Reviewed Journal (0110). Media Covered: Electronic. Media Available: Electronic; Print. Document Type: Journal Article. Language: English. Major Descriptor: Delusions; Hallucinations; Models; Schizophrenia; Source Monitoring. Classification: Schizophrenia & Psychotic States (3213) . Population: Human (10) . Methodology: Empirical Study; Quantitative Study. References Available: Y. Approved no
Call Number refbase @ user @ Woodward2006 Serial 4434
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