Tiny Shocks Win by a Nose
(Newser)
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Electric shocks can sharpen the sense of smell, a finding that suggests new ways of altering sensory perception, the Chicago Tribune reports. MRIs showed subjects’ brains actually changing after researchers administered tiny shocks, which improved their ability to distinguish between similar smells. Because many psychological conditions relate to the senses, the results could shed light on possible treatments.
“We often don't appreciate just how malleable the brain is,” said a neuroscientist not involved with the Northwestern University research. Memories associated with events that triggered post-traumatic stress disorder, for example, may warp the sense of smell. The lead researcher says the findings open up the possibility of using the technique to make patients less sensitive to smells that worsen their condition.
Source
Chicago Tribune
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