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Hearing the faint notes of a song, or catching a whiff of
some familiar scent, can send people back many years to events that
happened in their past. New research
in Nature suggests that a few tiny neurons triggered by these minute
changes can activate whole memories - and even cause a change in
behavior reports Scientific American.
The work uses a relatively new area of research called
optogenetics - triggering specific set of cells using light. In this
case, researchers used neurons that were genetically modified to include
a light sensitive protein. more...
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