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Study: Certain brains wired for thrill

February 20, 2009 9:01:45 AM PST
Some people's brains may be hard-wired for thrill-seeking.Scientists at Purdue and the University of Kentucky tested MRI images of participants deemed either high or low sensation seekers.

When the highs were shown emotional or arousing images, their brains lit up in a region found to be active during additive behaviors.

The brains of the low-sensation seekers increased activity in the frontal cortex, which controls emotions, when shown the same images.


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