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December 2, 2008 10:10:24 PM CST


phobias

phobias news stories

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Tiny Shocks
Win by a Nose

Sense of smell shows electric response; technique could help PTSD patients

(Newser) - 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. More »

More about:  brain mental health PTSD therapy health research MRI sense of smell electrical shocks phobias

Humans Wired to Fear Snakes

Scientists find innate ability to discern slithering critters in the wild

(Newser) - Evolution seems to have given humans a hard-wired ability to recognize snakes and spiders, LiveScience reports. Intrigued by the widespread fear of serpents despite the fact that most humans rarely interact with them, researchers showed groups of adults and 3-year-olds natural scenes containing various hidden animals. Both groups were consistently able to find snakes and spiders faster than other animals. More »

More about:  genes human evolution psychological research natural selection snakes spiders phobias

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