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Ateam of cognitive neuro scientists from Columbia University hasidentified the brain pathways responsible for the body's emotionaldefense against gruesome and other aversive forms of imagery. Thestudy, published today in the journal Neuron, could lead to betterunderstanding of psychological diseases, improve behavioral therapiesand spawn new federal policies for hospitals and treatment centers.
"We'veknown for a long time that certain cognitive strategies are effectivein regulating emotions; now we know which regions in the brain work tomake those strategies successful,
Thestudy showed that negative emotions are regulated through two distinctneurological pathways. The first pathway connects the prefrontalcortex, the brain's emotional command center, to the nucleus accumbens,a region linked primarily to positive emotion; the second connects itto the amygdala, which is linked primarily to negative emotion.
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