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

Author

Listed:
  • Ayuto Kodama

    (Advanced Research Center for Geriatric and Gerontology, Akita University, Akita 010-8543, Japan)

  • Yasuhiro Suzuki

    (Department of Complex Systems Science, Graduate School of Information Science, Nagoya University, Nagoya 464-8601, Japan)

  • Kazuki Sakuraba

    (Home-Visit Nursing Station Gotenmari, Yurihonjo 018-1301, Japan)

  • Yu Kume

    (Department of Occupational Therapy, Graduate school of Medicine, Akita University, Akita 010-8543, Japan)

  • Hidetaka Ota

    (Advanced Research Center for Geriatric and Gerontology, Akita University, Akita 010-8543, Japan)

Abstract

Background: The purpose of this study was to clarify the effect of Deep Micro Vibrotactile (DMV) stimulation on the cognitive functions in elderly people with mild cognitive impairment or mild dementia. Methods: A total of 35 participants with dementia from three nursing homes, who had completed treatment with DMV stimulation at 15–40 Hz (hereinafter, 15–40 Hz DMV stimulation) for a month were recruited for this study. The subjects had received continuous 15–40 Hz DMV stimulation for 24 h a day for 1 month. We assessed the effect of the treatment on the cognitive functions (by the word list memory (WM) test, trail making test-part A (TMT-A) and part B (TMT-B), and symbol digit substitution task (SDST)) and physical functions (grip strength (GS) and usual walking speed (UWS)), by comparing the results at the baseline and after the 1-month intervention (DMV stimulation). Results: The results revealed that the performances in the WM test ( p < 0.05), TMT-B ( p < 0.05), and SDST ( p < 0.01) improved significantly after the intervention. Conclusion: Our findings suggest that 15–40 Hz DMV stimulation is might be effective for improving the cognitive functions in elderly people with dementia. Furthermore, our novel findings showed the different effectiveness of the treatment depending on the stage of cognitive impairments.

Suggested Citation

  • Ayuto Kodama & Yasuhiro Suzuki & Kazuki Sakuraba & Yu Kume & Hidetaka Ota, 2022. "The Effect of Deep Micro Vibrotactile Stimulation on Cognitive Function of Mild Cognitive Impairment and Mild Dementia," IJERPH, MDPI, vol. 19(7), pages 1-10, March.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:7:p:3803-:d:777593
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    References listed on IDEAS

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    2. Hunter F. Iaccarino & Annabelle C. Singer & Anthony J. Martorell & Andrii Rudenko & Fan Gao & Tyler Z. Gillingham & Hansruedi Mathys & Jinsoo Seo & Oleg Kritskiy & Fatema Abdurrob & Chinnakkaruppan Ad, 2016. "Gamma frequency entrainment attenuates amyloid load and modifies microglia," Nature, Nature, vol. 540(7632), pages 230-235, December.
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