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Clinical Trial Summary

TACS is an emergent method of non-invasive neuromodulation which can engage frequency-specific brain oscillations. It is increasingly recognized that neural oscillations play a system-organizing role in the brain. Evidence suggests that disorganized neural oscillations may also influence functionality of cognitive processes such as working memory. Thus, as TACS can affect neural oscillatory activity in the human brain in a non-invasive manner, it has promise to transform mental health care. The premise of this proposed work is that tACS concurrent with multi-session working memory (WM) focused skills will facilitate durable working memory and stabilized neural oscillations. Depression offers an excellent model to study the effects of tACS. The study seeka to administer 2mA of tACS using theta oscillations to improve working memory concerns associated with depression. The purpose of this study is to investigate the electrophysiological and behavioral effects of transcranial alternating current stimulation (tACS) in humans and to explore specific improvements in working memory and depressive symptoms. This study is placebo-controlled study. Participants will undergo pre- and post-assessments and either theta or sham tACS for 5 days. During each session, the volunteer will perform cognitive tasks while receiving tACS. Assessment sessions will include cognitive tasks, questionnaires, a clinical interview, and EEG.


Clinical Trial Description

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Study Design


Related Conditions & MeSH terms


NCT number NCT06110715
Study type Interventional
Source University of Minnesota
Contact Rebecca Kazinka, PhD
Phone 612-624-0116
Email kazin003@umn.edu
Status Not yet recruiting
Phase N/A
Start date August 1, 2024
Completion date March 15, 2027

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