Effect of home-based transcranial direct current stimulation (tDCS) on cognitive functioning in bipolar depression
2024

Home-based tDCS for Cognitive Functioning in Bipolar Depression

Sample size: 44 publication 10 minutes Evidence: moderate

Author Information

Author(s): Rezaei Hakimeh, Woodham Rachel D., Ghazi-Noori Ali-Reza, Ritter Philipp, Bramon Elvira, Bauer Michael, Young Allan H., Fu Cynthia H.Y.

Primary Institution: University of East London

Hypothesis

Can home-based transcranial direct current stimulation (tDCS) improve cognitive functioning in individuals with bipolar depression?

Conclusion

Home-based tDCS can enhance verbal learning and memory performance in patients with bipolar depression.

Supporting Evidence

  • Participants showed significant improvement in short-term verbal memory scores after treatment.
  • Improvements were also noted in verbal learning and psychomotor processing speed, although not statistically significant.
  • The study suggests that home-based tDCS can be an effective intervention for cognitive deficits in bipolar depression.

Takeaway

This study tested a new way to help people with bipolar depression remember things better by using a special device at home. It seems to work well for improving memory.

Methodology

Participants received 21 sessions of home-based tDCS over 6 weeks, with cognitive assessments conducted at baseline and after treatment.

Potential Biases

Potential bias due to the open-label design where all participants received active treatment.

Limitations

The study lacked a sham treatment arm and had small sample sizes for some assessments, which may limit the generalizability of the findings.

Participant Demographics

44 participants (31 women) with a mean age of 47.27 years experiencing moderate to severe depressive episodes.

Statistical Information

P-Value

0.002

Statistical Significance

p = 0.002

Digital Object Identifier (DOI)

10.21203/rs.3.rs-5396838

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