S14-453 A wirelessly powered, fully internal implant that enables optogenetic stimulation of brain, spinal cord, and peripheral nervous system in untethered mice Stanford researchers have developed a wirelessly powered, fully internal implant which allows for optogenetic control of neurons throughout the nervous system in mammals, and in particular, mice. Kathryn DeMers Alex Yeh Logan Grosenick Emily Ferenczi Vivien Tsao John Ho Yuji Tanabe Shrivats Iyer Ada Poon Scott Delp Karl Deisseroth