WHAT IS OPTOGENETICS?Optogenetics (from Greek optikós 'seen, visible') most commonly refers to a biological technique that involves the use of light to control neurons that have been genetically modified to express light-sensitive ion channels. Optogenetics is a method for controlling a neuron’s activity using light and genetic engineering.
A team of neuroscientists at Georgetown University Medical Center have found, in animal models, that they can "switch off" epileptic seizures. The findings, published online in Proceedings of the National Academy of Sciences (PNAS), provide the first evidence that while different types of seizures start in varied areas of the
Abstract / US3951134 Apparatus for and method of sensing brain waves at a position remote from a subject whereby electromagnetic signals of different frequencies are simultaneously transmitted to the brain of the subject in which the signals interfere with one another to yield a waveform which is modulated by the subject's