What is the James Lang theory of emotion? What is the Cannon-Bard theory of emotion?How do they differ?Which one reflects a modern view of emotion?
-james lang- behaviors and physiological are directly elicited by situations and feelings and emotions produced by feedback from these behaviors and responses, says that we need autonomic system to be aware of feelings
-cannon bard- emotional experience and emotional expression are parallel processes that have no direct causal relationship, this predicts that we do not need autonomic and somatic feedback to be aware of our emotions
how can stress be defined?
-general alarm system in response to illness and injury and humans Han
-non physiological reaction caused by the perception or detection of aversive or threatening situations that may jeopardize homeostasis
which systems are activated in response to stress?
-emotional experiences may be product upon the cortex, and emotional expression is product up hypothalamus
what are the principle hormones released following stress? where are they synthesized?
-epinephrine and norepinephrine are released very quickly and are synthesized in the secretory cells of the adrenal medulla
-ACTH is released from the anterior pituitary gland
-glucocorticoids are released from adrenal cortex
what is the kluver bucy syndrome?
-removal of the temporal lobes which includes the amygdala in monkeys proved to have no fear
-consumption of everything edible
-increased sexual activity
-lack of fear
-investigate objects, especially with mouth
what is fmri? what does it tell us about the amygdala and emotion?
-indirectly measures neuronal activation, shows that amygdala is the central part for fear
-fmri, active neurons use oxygen and will show and increase of blood flow to that area