New Electrical Mind Stimulation Method Exhibits Promise in Mice

“That is one thing that many people within the subject have wished for for a very long time,” stated Dr. Rotenberg, who stated it may additionally ultimately assist tens of hundreds of epilepsy sufferers for whom drugs fail. Dr. Rotenberg and Dr. Mayberg stated they might additionally envision the method as a diagnostic device to pinpoint one of the best mind location to focus on for electrical stimulation earlier than surgically implanting electrodes for deep mind stimulation.

At a time when scientists are creating refined technological approaches to look contained in the mind and manipulate mind cells — together with a celebrated method referred to as optogenetics that was created partially by Dr. Boyden — the brand new research makes use of a primary and lengthy-established software: electrical energy. Nevertheless it provides a model new twist.

“Somewhat than attempt to show one other method to modulate the mind, they take a quite simple know-how and are utilizing it in a singular means,” stated Dr. Casey Harrison Halpern, an assistant professor of neurosurgery at Stanford College who makes use of deep mind stimulation for Parkinson’s and O.C.D. and was not concerned within the research. “Now we simply need to see the place it performs out greatest within the medical area. I might rattle off 10 potential ways in which it might and must be examined.”

The tactic, referred to as temporal interference, includes beaming totally different electrical frequencies, too excessive for neurons to answer, from electrodes on the cranium’s floor. The workforce discovered that the place the currents intersected contained in the mind, the frequencies interfered with one another, primarily canceling out all however the distinction between them and leaving a low-frequency present that neurons in that location responded to, Dr. Boyden stated.

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