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05-10-2021 | ORIGINAL PAPER

Enhancing Cognition in Older Persons with Depression or Anxiety with a Combination of Mindfulness-Based Stress Reduction (MBSR) and Transcranial Direct Current Stimulation (tDCS): Results of a Pilot Randomized Clinical Trial

Auteurs: Heather Brooks, Hanadi Ajam Oughli, Lojine Kamel, Subha Subramanian, Gwen Morgan, Daniel M. Blumberger, Jeanne Kloeckner, Sanjeev Kumar, Benoit H. Mulsant, Eric J. Lenze, Tarek K. Rajji

Gepubliceerd in: Mindfulness | Uitgave 12/2021

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Abstract

Objectives

Individuals with subjective memory complaints and symptoms of depression and/or anxiety are at high risk for further cognitive decline, and possible progression to dementia. Low-burden interventions to help slow or prevent cognitive decline in this high-risk group are needed. The objective of this study is to assess the feasibility of combining Mindfulness-Based Stress Reduction (MBSR) with transcranial direct current stimulation (tDCS) to increase putative benefits of MBSR for cognitive function and everyday mindfulness in depressed or anxious older adults with subjective cognitive decline.

Methods

We conducted a two-site pilot double-blind randomized sham-controlled trial, combining active MBSR with either active or sham tDCS. The intervention included weekly in-class group sessions at the local university hospital and daily at-home practice. Anodal tDCS was applied for 30 min during MBSR meditative practice, both in-class and at-home.

Results

Twenty-six individuals with subjective cognitive complaints and symptoms of depression and/or anxiety were randomized to active (n = 12) or sham tDCS (n = 14). The combination of MBSR and tDCS was safe and well tolerated, though at-home adherence and in-class attendance were variable. While they were not statistically significant, the largest effect sizes for active vs. sham tDCS were for everyday mindfulness (d = 0.6) and social functioning (d = 0.9) (F(1,21) = 3.68, p = 0.07 and F(1,21) = 3.9, p = 0.06, respectively).

Conclusions

Our findings suggest that it is feasible and safe to combine tDCS with MBSR in older depressed and anxious adults, including during remote, at-home use. Furthermore, tDCS may enhance MBSR via transferring its meditative learning and practice into increases in everyday mindfulness. Future studies need to improve adherence to MBSR with tDCS.

Trial Registration

ClinicalTrials.gov (NCT03653351 and NCT03680664).
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Metagegevens
Titel
Enhancing Cognition in Older Persons with Depression or Anxiety with a Combination of Mindfulness-Based Stress Reduction (MBSR) and Transcranial Direct Current Stimulation (tDCS): Results of a Pilot Randomized Clinical Trial
Auteurs
Heather Brooks
Hanadi Ajam Oughli
Lojine Kamel
Subha Subramanian
Gwen Morgan
Daniel M. Blumberger
Jeanne Kloeckner
Sanjeev Kumar
Benoit H. Mulsant
Eric J. Lenze
Tarek K. Rajji
Publicatiedatum
05-10-2021
Uitgeverij
Springer US
Gepubliceerd in
Mindfulness / Uitgave 12/2021
Print ISSN: 1868-8527
Elektronisch ISSN: 1868-8535
DOI
https://doi.org/10.1007/s12671-021-01764-9