From: The Wall Street Journal

The Visual Side of Pain

The Wall Street Journal:

Perceptions of pain can be changed by distorting the view of the affected body part, a new study finds, opening a fresh window onto the psychological side of pain.

Researchers affixed a heat-producing device to the left index fingers of 18 volunteers. A mirror was set up so that when the subjects looked toward their left hand what they saw was really a reflection of their right hand. (To complete the effect, the right index finger got its own non-functioning thermode.) Then they started turning up the heat, slowly.

Read the whole story: The Wall Street Journal

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