Comparing working memory, verbal memory and keeping attention in the manic phase and depression in bipolar disorder
Bipolar disorder is a disease that its distinct cognitive symptoms include acceleration of thoughts, distractibility, and severe defects in judgment. Neuropsychology defects such as defects in memory, inability to pay attention and dysfunction in executive function also have been approved during mania. This study was conducted to determine the differences in working memory, verbal memory, and keeping the attention in manic and depressed patients, and compare them with healthy individuals. For this purpose, 105 subjects (35 depressed and 35 normal people) were selected using available samples of patients hospitalized in Razi Hospital of Tabriz and peer healthy people, and they were tested. To collect data, sub-tests of digit symbol, verbal memory, and working memory of Wechsler were used. Multivariate variance analysis showed that there were significant differences between the three groups in the variables of keeping the attention and verbal memory (p<0.05), but there was no significant difference between them in working memory. In addition, the performance of normal group was better than other two groups, and the performance of the manic group was better than the depressed group.
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