Brain circuitry for both positive and negative 'valence' affected by trauma

ScienceDaily
Oct 26, 2021, 9:43 am71 pts
Research has revealed that the brain employs distinct circuitries that mediate positive, or rewarding, behaviors and negative, or aversive, ones. Post-traumatic stress disorder (PTSD) has long been thought to arise from overactivity in the negative valence system, however a new study shows that people with PTSD…

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