Research on the neuropsychology of substance use in schizophrenia has been steadily growing over the past decade. However, significant gaps remain in the knowledge of individual substances and their relationship to cognition in the schizophrenia spectrum disorders. Approximately 65 studies to date have directly examined this relationship. Of these, approximately 20 have focused on nicotine, 15...
Drug and Alcohol ReviewSeptember 1, 2000Robert F. Grace, Gillian Shenfield, Christopher C Tennant
Abstract: This study assessed the duration of admission and time to relapse in 62 acute psychiatric in‐patients who had urinary drug screens performed because of suspicion of illicit drug use. Some 51% of those with psychosis (n = 45) and 29% of those with non‐psychotic illness (n = 17) were THC‐positive although this was not significant. In those with recurrent admissions for psychosis...