RELATION BETWEEN SEROTONIN AND STRESS x Exposure to stressors. serotonin neuron activity is increased Excerpted from Medial prefrontal cortex determines how stressor controllability affects behavior and dorsal raphe nucleus x...at all levels of the serotonin system.can influence. the response to stress x-Excerpted from Genetic variation in cortico-amygdala serotonin function and risk for stress-related diseaseRELATION BETWEEN SEROTONIN AND STRESS  Exposure to stressors … serotonin neuron activity is increased…  --Excerpted from Medial prefrontal cortex determines how stressor controllability affects behavior and dorsal raphe nucleus  …at all levels of the serotonin system…can influence … the response to stress.  --Excerpted from Genetic variation in cortico-amygdala serotonin function and risk for stress-related disease