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We conducted a 9-cM genome scan in a large bipolar pedigree sample from the National Institute of Mental Health genetics initiative (1060 individuals from 154 multiplex families). We performed parametric and nonparametric analyses using both standard diagnostic models and comorbid conditions thought to identify phenotypic subtypes: psychosis, suicidal(More)
OBJECTIVE The purpose of this study was to investigate the reliability of a new semistructured diagnostic interview, the Psychiatric Research Interview for Substance and Mental Disorders (PRISM), for substance-abusing patients. The reliability of psychiatric diagnoses for individuals who drink heavily or use drugs has been shown to be problematic. The PRISM(More)
The Psychiatric Research Interview for Substance and Mental Disorders (PRISM) is a psychiatric diagnostic interview designed to diagnose DSM-IV substance and mental disorders in patients who abuse alcohol or drugs. Primary disorders tested in the DSM-III-R version of the interview showed improved reliability over existing instruments, and substantially(More)
No existing diagnostic interview assesses severity of dependence based on DSM-IV criteria across a range of substances. The Substance Dependence Severity Scale (SDSS) was designed to serve this purpose, consisting of substance-specific scales of both severity and frequency of DSM-IV criteria. This study investigated the reliability and validity of the SDSS.(More)
The Substance Dependence Severity Scale (SDSS) is a semistructured interview that assesses the severity of the DSM-IV diagnoses of dependence and abuse and the ICD-10 diagnoses of substance dependence and harmful use across a wide range of substances. Previous research has demonstrated that the SDSS' DSM-IV dependence scales are reliable and valid(More)
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