Volume 20, Issue 4 (winter 2019)                   2019, 20(4): 20-34 | Back to browse issues page

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Azimi M, Moradi A, Hasani J. Effectiveness of cognitive behavioral therapy for insomnia (traditional and Internet-based) on everyday memory of people with insomnia and comorbid depression. Advances in Cognitive Science. 2019; 20 (4) :20-34
URL: http://icssjournal.ir/article-1-856-en.html
1- PhD. student Health Psychology, Faculty of Psychology and Educational Sciences University of Kharazmi ,karaj ,Iran
2- Professor of Clinical Psychology, Department of Clinical Psychology, Faculty of Education and Psychology, Kharazmi University
3- Associate Professor of Clinical Psychology, Department of Clinical Psychology, Faculty of Education and Psychology, Kharazmi University
Abstract:   (788 Views)

Introduction: Insomnia is a common sleep complaints in the general population. Insomnia affects cognitive functions such as memory which has important role in the daily activities of individuals. Thus the objective of this study is to investigate the effectiveness of traditional Cognitive Behavioral Therapy for Insomnia (CBT-I) and internet-based Cognitive Behavioral Therapy for Insomnia (ICBT-I) on everyday memory of people with insomnia comorbid depression. Method: This study employs pretest-posttest and follow-up quasi-experimental designs that use two experimental groups and a control group. A convenience sample of 45 individuals from Farhangian University staff and professors who received a score higher than the cut-off score in PSQT and BDI-II questionnaires was selected by using diagnostic interview based on the DSM-5 criteria for diagnosing depression and insomnia. Fifteen people were randomly assigned into three groups (two experimental groups and a control group). The experimental groups received 6 sessions of cognitive behavioral therapy for insomnia based on Edinger and Karney's CBT-I protocol (2015). RBM-3 test was administered three times (before treatment, after the last treatment and one month after).The data were analyzed by means of mixed ANOVA and Bonferroni. Findings: The results showed that both experimental groups obtained higher scores in verbal memory, orientation, prospective memory, and the total memory index than the control group. The CBT-I group obtained higher score in visual memory than the ICBT-I and control groups. The ICBT-I group obtained higher scores in the new learning factor than the CBT-I and control groups. However, there was no significant difference between the three groups in the spatial memory. Follow-up results also confirmed the reliability of the treatment. Conclusion: Both therapies are effective in cognitive rehabilitation and reducing everyday memory problems in people with insomnia and comorbid depression.

 
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Type of Study: Research | Subject: Special
Received: 2017/04/27 | Accepted: 2018/02/27 | Published: 2019/01/28

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