Chapter 11: THE COMPONENTS OF EMOTIONAL RESPONSE Flashcards
What are the three types of components that consist emotional response?
- behavioural
- autonomic
- hormonal
What do the behavioral components of emotion consist of?
muscular movements appropriate to the situation
What does the autonomic component of emotion consist of?
- facilitate behaviors
- provide quick mobilization of energy for vigorous movements
What does the hormonal component of emotion consist of?
What is secreted by adrenal medulla?
What is secreted by adrenal cortex?
- reinforce autonomic response
- epinephrine and norepinephrine secreted by the adrenal medulla
- steroid hormones secreted by adrenal cortex
What part of the brain becomes active when emotionally relevant stimuli are presented?
-Neurons in the amygdala
Where is the amygdala located?
within the temporal lobes
What are the three major regions of the amygdala?
- Lateral nucleus
- Basal nucleus
- Central nucleus
What does the lateral nucleus (LA)receive information from?
Neocortex
What does the basal nucleus (B) receive info from?
Lateral nucleus
What does the central nucleus (CE) receive info from?
Lateral nucleus, and basal nucleus
What does the central nucleus project to?
- hypothalamus
- midbrain
- pons
- medulla
What is the central nucleus responsible for?
Expression of various components of emotional response.
What does the lateral nucleus send info to ?
- basal nucleus
- ventral striatum
- dorsomedial nucleus of the thalamus
What is the most important part of the rain for emotional response provoked by aversive stimuli? (eg. stressful stimuli)
central nucleus
What does damage to the central nucleus result in?
reduces or abolishes a wide range of emotional behaviors and physiological processes
What does a long-term stimulation of the central amygdala result in?
- stress-induced illnesses such as gastric ulcers
- harmful effects of long-term stress.
Slide 12-13
diagram of neural projections
What does damage to the amygdala produce memory wise?
They don’t remember the risk associated to a certain stimuli after being conditionned
What multimodal info (different input) does the amygdala receive?
Input from
- lower-order visceral structures
- thalamus: sensory inputs
- cortex: higher-order sensory info
What different output does the amygdala exert?
- back to thalamic and cortical areas that provided sensory info
- striatum and hippocampal region: important for diff forms of memory
- autonomic, endocrine, motor systems: emotional expression
What is conditioned emotional response?
- neutral stimulus is paired with emotion-producing stimulus
- produces fear reactions
What type of stimulus have Ledoux and Al focused on?
-tone-cued fear conditioning
What did lesions do the amygdala produced in the Ledoux and al experiment?
- reduced conditioned reaction to tone
- both in motor and autonomic responses
What wasn’t affected by lesions to the amygdala?
URs (?)
