نتایج جستجو برای: wcst
تعداد نتایج: 491 فیلتر نتایج به سال:
BACKGROUND The methylenetetrahydrofolate reductase (MTHFR) C677T polymorphism has been associated with both overall schizophrenia risk and severity of negative symptoms. This study examined whether schizophrenia patients homozygous for the risk allele (T/T) exhibit greater impairment in executive function, and determined the extent to which MTHFR's effects on negative symptoms underlie this rel...
Dopamine plays an important role in the development of alcohol dependence, cognitive dysfunction, and is regulated via dopamine transporter activity. Although dopamine transporter activity is critically involved in alcohol dependence, studies observing this relationship are limited. Thus the current study examined whether dopamine transporter availability is associated with developing of alcoho...
Cross-sectional study of executive functioning in children with developmental coordination disorders
BACKGROUND Children with Developmental Coordination Disorder (DCD) have multiple impairments in movement, in learning, and in the activities of daily living. Studies from other countries have associated these impairments with cognitive function, particularly executive functioning, but these findings have not been confirmed in China. AIM Compare the executive functioning of children with DCD w...
AIM The aim of the present study was twofold: 1. to compare the efficacy of three antipsychotics (ziprasidone, olanzapine and perazine) in schizophrenia 2. to compare the improvement in cognitive functioning between groups treated with the three different neuroleptics. METHOD A total of 58 Caucasian patients diagnosed with paranoid schizophrenia were recruited into the study group. We used th...
Objective: There is evidence for differential executive function in Bipolar I Disorder (BID) and schizophrenia that may tend different cognitive deficits and abnormalities. The objective of this sudsy was to compare the executive function of BID and schizophrenic patients. Materials & Methods: We studied 50 patients with BID, and 50 with schizophrenia participants in outpatients' clinic of R...
Background: Cognitive impairment is a common complication of Severe Traumatic Brain Injury (STBI). One of cognitive problems following STBI is impaired executive functions which involve high-level cognitive processes and their dysfunction can lead to reduced quality of life. Objective: This study aims to investigate the cognitive impairment in men with STBI compared to healthy men. Materials...
Lack of insight in schizophrenia is a key feature of the illness and is associated with both positive and negative clinical outcomes. Previous research supports that neurocognitive dysfunction is related to lack of insight, but studies have not examined how neurocognition relates to change in insight over time. Therefore, the current study sought to understand how performance on the Wisconsin C...
Set shifting provokes specific alterations of cerebral hemodynamics in basal cerebral arteries. However, no gender differences have been reported. In the following functional transcranial Doppler study, we introduced cerebral hemodynamic modulation to the aspects of set shifting during Wisconsin Card Sorting Test (WCST). Twenty-one subjects underwent the WCST during insonation of the middle cer...
این پژوهش با هدف مطالعه کارکردهای اجرایی در بیماران اسکیزوفرنیک دارای علایم مثبت و منفی و یک گروه سالم در آزمون دسته بندی کارت ویسکانسین (wcst)، به عنوان شاخصی از کارکرد لوب فرونتال، انجام گرفت. برای این منظور یک گروه 32 نفری از افراد سالم و یک گروه 32 نفری از بیماران اسکیزوفرن، که براساس مقیاس های اندازه گیری علایم منفی (sans) و علایم مثبت (saps)، 14 نفر دارای علایم منفی و 18 نفر دارای علایم م...
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