Abstract
In order to examine the neuropsychological effects of hostility on emotional and pain processing, auditory emotion perception before and after cold pressor pain in high and low hostile men was examined. Additionally, quantitative electroencephalography (QEEG) was recorded between each experimental manipulation. Results indicated that identification of emotion post cold pressor differed as a function of hostility level and ear. Primary QEEG findings indicated increased left temporal activation after cold pressor exposure and increased reactivity to cold pressor pain in the high hostile group. Low hostile men had a bilateral increase in high beta magnitude at the temporal lobes and a bilateral increase in delta magnitude at the frontal lobes after the cold pressor. Taken together, results from the dichotic listening task and the QEEG suggest decreased cerebral laterality and left hemisphere activation for emotional and pain processing in high hostile men.
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