Final - Ch. 28 - Behavior

Question 1

What area is all pre-motor?

Answer 1

association

Question 2

Where is the lateral prefrontal cortex and what is its fx?

Answer 2

hairline

goal-directed behavior loop - executive fx

Question 3

What is the goal-directed behavior loop in charge?

Answer 3

what I want to do
plan how to do it
steps I need to take

Question 4

What would damage to the goal-directed behavior present like?

Answer 4

trouble setting goals

trouble thinking up steps to accomplish something - ideomotor

trouble re-directing if original plan disrupted - difficulty with divergent thinking

figuring out alternative if something does not work

Question 5

Where is the medial prefrontal cortex and what is the fx?

Answer 5

emotional loop, forehead

generates and perceives emotions, motivation, reward seeking behavior, making predictions if outcome is uncertain, integrating with facial expressions

communicates with primal brain

Question 6

What are signs of damage to the emotion loop?

Answer 6

apathy busted

loss of initiative

loss of spontaneous thought

emotionally labile

Question 7

Where is the ventral prefrontal cortex?

What is its fx?

Answer 7

eyebrows

social behavior loop

this is the loop between the primal and rational brain for acceptable social relations

Question 8

What does the amygdala do?

Answer 8

threat sensor

Question 9

What does dorsolateral prefrontal cortex do?

Answer 9

rational

rational planning and goal oriented

Question 10

What is the somatic marker?

Answer 10

link between rational and primal

Question 11

What prefrontal syndrome?

Answer 11

disinhibition of rational check on primal brain

lack of concern about

consequences

impulsiveness

inappropriate behaviors

emotional lability

Question 12

What is the stress response of the somatic nervous system, autonomic system and neuroendocrine system (adrenal medulla)?

Answer 12

increases muscle tension

shunts blood from skin and gut to Mm

epinephrine increases cardiac fx, relaxes intestines

Question 13

HPA axis fx

Answer 13

hypothalamus is the homeostasis controller can cause pituitary to release hormone that is precursor to activate adrenal medulla which dumps stress hormone cortisol into blood stream

mobilizes energy

increases blood sugar

suppresses immure system turns on anti inflammatory system
turns on memory maker (hippocampus)

Question 14

What are negative effects of the chronic stress response?

Answer 14

increased blood sugar - diabetes

immunosuppression

blood vessels change - HA

Damage to cells of hippocampus (memory maker)

Weaken rational control