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Information Journal Paper

Title

The effect of transcranial direct-current stimulation on cortical coherence patterns in patients with major depression

Pages

  1-17

Abstract

 Introduction: Major depressive disorder is one of the most common psychiatric disorders with cognitive, emotional, and behavioral symptoms. The disorder is associated with abnormalities in the cortical activity of the brain. The present study aimed to investigate the effect of Transcranial direct current stimulation (tDCS) on the cortical Coherence patterns of patients with Major depressive disorder. Methods: Thirty-six patients with a Major depressive disorder based on the criteria specified in DSM-5 were selected by purposive sampling procedure based on including and excluding criteria. Participants were assigned randomly to one of the research groups (recipient of direct transcranial electrical stimulation, receiving false stimulant (sham), and waiting list group). All participants completed the Beck depression inventory, and their brain activity was recorded using a 19-channel EEG. Results: The data showed that tDCS did not significantly affect interhemispheric Coherence changes. However, the use of tDCS, compared with the sham group, caused a significant reduction in interhemispheric Coherence, especially in the slow cortical bands (theta and alpha) in all three anterior, central and posterior regions of the brain, as it has become more impressive in the central regions. Conclusion: The present study’ s findings reveal that transcranial stimulation of the brain reduces the pattern of abnormal brain activity, especially in the Coherence of central regions. These changes reduce the abnormal energy loss in the brain and improve the pattern of information processing in patients.

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    APA: Copy

    ARABI, ALI, CHALABIANLOO, GHOLAMREZA, & ABDI, REZA. (2022). The effect of transcranial direct-current stimulation on cortical coherence patterns in patients with major depression. ADVANCES IN COGNITIVE SCIENCE, 23(4 ), 1-17. SID. https://sid.ir/paper/958519/en

    Vancouver: Copy

    ARABI ALI, CHALABIANLOO GHOLAMREZA, ABDI REZA. The effect of transcranial direct-current stimulation on cortical coherence patterns in patients with major depression. ADVANCES IN COGNITIVE SCIENCE[Internet]. 2022;23(4 ):1-17. Available from: https://sid.ir/paper/958519/en

    IEEE: Copy

    ALI ARABI, GHOLAMREZA CHALABIANLOO, and REZA ABDI, “The effect of transcranial direct-current stimulation on cortical coherence patterns in patients with major depression,” ADVANCES IN COGNITIVE SCIENCE, vol. 23, no. 4 , pp. 1–17, 2022, [Online]. Available: https://sid.ir/paper/958519/en

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