New research on mice has shown that blue light stimulation of brain cells can recover memories in mice with Alzheimer's disease. Furthermore, they found that artificial reactivation of positive memories through light could suppress the effects of stress-induced depression.
A team led by RIKEN Brain Science Institute center director, Susumu Tonegawa, identified a population of brain cells that can be altered with light so that memories, emotions and even thoughts can be manipulated through a unique technique called optogenetics.
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