The following study was conducted to adapt the Auditory Consonant Trigram Test (ACT) to Turkish, acquire a new and larger set of normative data, and finally investigate the reliability and validity of the adapted version. The data were collected from a sample of 236 healthy individuals. To test the validity of the Turkish version of ACT, the normative results of ACT were first compared with those obtained from the Digit Span Test (DST) backwards section.
View Article and Find Full Text PDFProg Neuropsychopharmacol Biol Psychiatry
August 2003
Objective: Weight gain frequently occurs during treatment with clozapine. However, the pathophysiology of clozapine-induced weight gain remains unclear. The aim of this study was to investigate the influence of clozapine on hormones leptin and insulin in relation to body weight and composition measures to determine their contribution to clozapine-induced weight gain.
View Article and Find Full Text PDFProg Neuropsychopharmacol Biol Psychiatry
June 2003
Objective: Previous studies have provided evidence from event-related potentials (ERPs) and neuropsychological testing of abnormal cognitive processing in obsessive-compulsive disorder (OCD). The aim of this study was to further characterize the cognitive functions of the patients with OCD by utilizing ERPs and neuropsychological tests.
Methods: ERPs were recorded in a group of 31 drug-free OCD patients without depression and 30 normal controls following verbal auditory stimuli using an oddball paradigm.