Researchers have recently found that infrared light has the capability of stimulating brain cells. Infrared light causes the excitation of neurons thus altering their activity. This new type of brain stimulation method is referred to as infrared nerve stimulation (INS). INS has a variety of applications for altering the functioning of central nervous system disorders. For many brain disorders, brain activity is altered in comparison to more normal states. Infrared light has a very high selectivity and can target very small sub-populations of brain cells. This type of stimulation could potentially reduce many of the side effects of current brain stimulation.
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