AUS-CITY
Posted By: Webmaster How the itch informs the scratch - Sat 28 Jan 2012 09:00:PM

Itch. Past studies have shown that whatever the cause--perhaps just hearing me talk about itch--something triggers nerve fibers that send a signal lighting up three areas of the brain: the emotional regions; the limbic system that sparks the urge to scratch; and the cortex that tells you where to scratch.

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Source: How the itch informs the scratch
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