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The Effect of Deep Micro Vibrotactile Stimulation on Cognitive Function of Mild Cognitive Impairment and Mild

Ayuto Kodama1, Yasuhiro Suzuki2, Kazuki Sakuraba3

  • 1Advanced Research Center for Geriatric and Gerontology, Akita University, Akita 010-8543, Japan.

International Journal of Environmental Research and Public Health
|April 12, 2022
PubMed

Insights

Deep Micro Vibrotactile (DMV) stimulation may improve cognitive functions in elderly individuals with dementia. This 1-month intervention showed significant enhancements in memory and executive function tests.

Area of Science:

  • Gerontology
  • Neuroscience
  • Rehabilitation Medicine

Background:

  • Mild cognitive impairment and dementia significantly impact elderly individuals' quality of life.
  • Non-pharmacological interventions are crucial for managing cognitive decline in aging populations.

Purpose of the Study:

  • To investigate the efficacy of Deep Micro Vibrotactile (DMV) stimulation on cognitive functions in elderly individuals with dementia.
  • To explore the potential of DMV stimulation as a novel therapeutic approach for cognitive enhancement.

Main Methods:

  • A 1-month intervention study involving 35 participants with dementia from nursing homes.
  • Continuous 15–40 Hz DMV stimulation applied 24 hours daily.
  • Cognitive functions assessed using Word List Memory (WM) test, Trail Making Test (TMT)-A and B, and Symbol Digit Substitution Task (SDST).

Main Results:

  • Significant improvements observed in WM test (p < 0.05), TMT-B (p < 0.05), and SDST (p < 0.01) performances post-intervention.
  • The study suggests a positive impact of DMV stimulation on specific cognitive domains.

Conclusions:

  • 15–40 Hz DMV stimulation shows promise in improving cognitive functions for elderly individuals with dementia.
  • The effectiveness of DMV stimulation may vary depending on the stage of cognitive impairment.
Keywords:
cognitive functiondeep micro vibrotactiledementiaelderly

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