objective: the current study was performed to evaluate the cognitive improvements of the chronic schizophrenic patients treated with risperidone in comparison with those treated with haloperidol according to wisconsin card sorting test (wcst). methods: in a double blind clinical trial, 65 patients with a diagnosis of chronic schizophrenia were randomly allocated into two groups. they received a...

cognitive neuroscience prefers a reductionist approach to normal and abnormal brain functions. so, it tries to reducing causes and indices of cognitive and neural processes, in order to increases the accuracy in investigation and manipulation of variables. as a comparison, common diagnostic criteria for mental disorders utilize multidimensional global criteria that existence of some non-overlap...

aim and background: meta-cognitive therapy is based on the principle that meta-cognitive is very important for understanding the way of cognition function and the way of producing our conscious experience about ourselves and the world around us. in this research it has been tried to study the effectiveness of this kind of treatment in improving depression patients. methods and materials: this c...

objective:this research has been done according to the cognitivebehavioral theories and biochemical model in order to evaluate the efficiency of group cognitive-behavior therapy in combination with pharmacotherapy on mania and depression symptoms and awareness of warning signs of relapse in patients with bipolar disorder. methods:in this study with the experimental pretest- posttest- follow up ...