Motivation Flashcards
1
Q
Inhibitory signals
A
leptin, insulin, and PYY
2
Q
Stimulatory signals
A
ghrelin from the stomach
3
Q
hypothalamus-pituary complex
A
command center of the endocrine system
4
Q
paraventricular zone of the hypothalamus
A
controls the ANS
5
Q
Arcuate nucleus
A
center of energy regulation in hypothalamus`
6
Q
Satiety neurons
A
POMC/CART
6
Q
Hunger neurons
A
AgRP/NPY
7
Q
Anoretic peptides
A
αMSH and CART
8
Q
Orexigenic peptides
A
AgRP/NPY
9
Q
Elevated leptin
A
- POMC/CART neurons release anoretic peptides
- Activate PVN neurons that release TSH and ACTH from anterior pituary to raise metabolic rate
- Inhibit lateral hypothalamus neurons to inhibit feeding behavior
- Activate sympathetic division of ANS
10
Q
Decreased leptin
A
- AgRP/NPY neurons release orexigenic peptides
- Inhibit PVN neurons that release TSH and ACTH from anterior pituary to decrease metabolic rate
- Activate lateral hypothalamus neurons to stimulate feeding behavior
- Activate parasympathetic division of ANS
11
Q
The timing of reward
A
- Learn to recognize a reward cue: associating
- Mobilize and go after the reward: wanting
- Savor the reward: liking
12
Q
Anatomy of reward system
A
ventral tegmental area, nucleus accumbens,and PFC
13
Q
What neurotransmitter does the VTA release?
A
dopamine
14
Q
Two pathways
A
mesolimbic and mesocortical
