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OBJECTIVE Inconsistent findings have been reported concerning the level of dissociative symptoms and their relationship with childhood trauma in alcohol-dependent patients. The present study aimed to further examine the level of dissociation and the trauma-dissociation relationship in a sample of alcohol-dependent patients, taking potential mediating(More)
The present study investigated whether schizophrenic, unipolar depressive, and obsessive-compulsive psychiatric patients show a distinguishable profile in tasks considered sensitive to frontal lobe functioning. Three psychiatric samples, each comprising 25 patients with little symptomatic overlap, were compared to 70 healthy controls. Participants completed(More)
The Continuous Performance Test (CPT) is a widely used procedure for sustained attention/vigilance measurement. However, though the key index of vigilance impairment is the decrement of sensitivity over time during the test period, only few studies have examined whether schizophrenics show a larger drop in CPT performance than do healthy controls. 48(More)
PURPOSE OF REVIEW To provide an overview of published studies on agonist maintenance treatment options for opioid-dependent patients. RECENT FINDINGS The recent publication of controlled trials confirms earlier clinical evidence of the efficacy of diamorphine (heroin) in the treatment of opioid dependence. Findings show not only efficacy with respect to(More)
OBJECTIVE To provide an overview of treatment options for opioid-dependent patients. METHOD We screened all published studies on the treatment of opioid dependence, with a special focus on systematic literature reviews, formal metaanalyses, and recent trials. RESULTS Both clinical experience and neurobiological evidence indicate that opioid dependence(More)
BACKGROUND Heroin-assisted treatment has been found to be effective for people with severe opioid dependence who are not interested in or do poorly on methadone maintenance. AIMS To study heroin-assisted treatment in people on methadone who continue intravenous heroin and in those who are heroin dependent but currently not in treatment. METHOD In an(More)
OBJECTIVE The elevated rate of schizophrenia among migrants has been explained in part by possible misdiagnosis. In this study an attempt is made to quantify the extent of potential misdiagnosis among migrants in comparison to non-migrants. METHOD One hundred patients of Turkish origin (Tr-Pat) and a control group of 50 patients of German origin (G-Pat),(More)
BACKGROUND The last decade of the twentieth century has seen an unprecedented increase in the number of reports in the psychiatric literature documenting increased rates of psychotic illness among migrants in a range of European countries. In countries where high rates of immigration have been long-standing such as Britain and the Netherlands, these(More)
The Positive and Negative Syndrome Scale (PANSS) was originally designed as a rating system that provides balanced representation of positive and negative symptom features. Evidence from recent factor-analytic studies suggests that a five-dimensional solution appears to best fit the psychopathological data as assessed with the PANSS. To investigate the(More)
In particular studies conducted in the U.S. display a tendency for schizophrenics to combine hallucinogens and amphetamines, whereas other studies report on a combination of psychotropic substances with a similar range of action. Influencing negative symptoms is reported to be the motivation for consumption. A total of 222 patients with a schizophrenic(More)