Gamma Rhythm May Hold the Key to Alzheimer’s Posted on December 8, 2016 by brightbraincentre Optogenetic stimulation in the Gamma frequency range activates microglia and reduces amyloid plaques! Link to the MIT video Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)