CHAPTER 3.11: Forebrain

Question 1

what are ventricles?

Answer 1

part of the forebrain that contains cerebrospinal fluid removing waste products, supplying nutrients and hormones, and cushions the brain and spine (ex in an accident it acts as an airbag).

Question 2

what is the basal ganglia?

Answer 2

involved in facilitating planned movement (like substantia nigra therefore also affected in parkinsons) and learning skills. has lots of dopamine releasing cells.

Question 3

is the nucleus accumbens?

Answer 3

part of the basal ganglia that integrates sensory and movement info with reward system.

activates when we are doing rewarding experiences ex. sex, drugs, chocolate

Question 4

what part pf the brain has a large part to play on successful operant conditioning? why?

Answer 4

nucleus accumbens. attaching rewarding experience to an event t(due to release of dopamine)

Question 5

what parts of the brain make up the limbic system?

Answer 5

amygdala, hippocampus, thalamus

Question 6

what is the amygdala?

Answer 6

part of the limbic system of the brain. processes emotional events and stimuli.

Question 7

what is the hippocampus?

Answer 7

part of the limbic system of the brain. crucial for learning and forming new memories.

Question 8

why are super emotional things more likely to be formed into a new memory?

Answer 8

because the hippocampus (memory formation) is super close to the amygdala (processing emotional events)

Question 9

what is the thalamus?

Answer 9

part of the limbic system of the brain. redirects sensory information (except smell) to different parts of the brain.

Question 10

what is the hypothalamus?

Answer 10

regulates basic biological needs and motivation systems (thirst, hunger, sex drive). maintains homeostasis! (ex. temp of body, blood sugar)

part of the endocrine system.

Question 11

when hypothalamus detects deviation from homeostasis, what gland does it signal?

Answer 11

pituitary gland

Question 12

what is the pituitary gland?

Answer 12

the “master gland” of endocrine system. controls all other glands in body.

Question 13

what do glands release?

Answer 13

hormones

Question 14

what are hormones?

Answer 14

chemical signals secreted by different glands of body that activate other glands/processes in body