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Negative Emotions Influence Brain Activity During Anticipation and Experience of Pain

(Science Daily) Neuroticism -- the tendency to experience negative emotions -- significantly affects brain processing during pain, as well as during the anticipation of pain, according to a new study… Neuroticism tends to be higher in patients with irritable bowel syndrome (IBS), and is a risk factor for chronic, unexplained pain in IBS.
"Patients who have high expectations of pain may have a harder time coping with the actual source of pain, as is often seen in patients with irritable bowel syndrome," said Steven J. Coen, PhD…, lead author of this study.
Researchers of this study observed higher levels of neuroticism associated with brain activity during anticipation of pain in regions of the brain responsible for emotional and cognitive pain processing. During pain, however, activity in these regions was reduced. This behavior may help explain the greater incidence of those with higher neuroticism attending outpatient pain clinics and being at greater risk for developing chronic pain conditions.
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