The MIT group is not the first to show that gamma frequency tactile stimulation can affect brain activity and improve motor function, but they are the first to show that the stimulation can also reduce levels of the hallmark Alzheimer’s protein phosphorylated tau, keep neurons from dying or losing their synapse circuit connections, and reduce neural DNA damage.

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Suk, H., Buie, N., Xu, G., Banerjee, A., Boyden, E. S., & Tsai, L. (2023). Vibrotactile stimulation at gamma frequency mitigates pathology related to neurodegeneration and improves motor function. Frontiers in Aging Neuroscience, 15. https://doi.org/10.3389/fnagi.2023.11…