Light therapy shows promise in activating memories lost due to Alzheimer's

Researchers have successfully activated feelings from lost memories among mice genetically engineered to have early-onset Alzheimer’s disease by using a light stimulation therapy developed in 2012. Although the therapy, called optogenetics, can only be used in mice, scientists at the Massachusetts Institute of Technology (MIT) said the therapy could offer promise for people suffering from early-onset Alzheimer’s, a condition that affects an estimated 200,000 Americans.

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