exam 1: brain stem

Question 1

what are the parts of the brainstem?

Answer 1

diencephalon (thalamus and hypothalamus)

midbrain

hindbrain

cerebellum

Question 2

part of the midbrain that handles visual processing

shows as two little bumps on the back of the midbrain

Answer 2

superior colliculi

Question 3

part of the midbrain that handles auditory processing

Answer 3

inferior colliculi

Question 4

t or f: your response when you hear a noise and look at it autonomically is because of the superior and inferior colliculi

Answer 4

true

Question 5

part of the midbrain that is part of our pain reception system

also handles species specific behaviors like a deer freezing in headlight or humans groaning

Answer 5

periaqueductal gray

Question 6

part of the midbrain that handles pleasure

Answer 6

ventral tegmental area

Question 7

part of the midbrain that is part of the motor control system

parkinson’s develops because of degeneration of neurons in this structure

Answer 7

substantia nigra

Question 8

part of the midbrain that handles motor (startle reflex)

Answer 8

red nucleus

Question 9

the hypothalamus controls the _______ ________ and ______ but they do the heavy work

Answer 9

medulla oblongata and pons

Question 10

t or f: the medulla oblongata and pons both handle autonomic NS processing and control; and arousal

Answer 10

true

Question 11

part of the hindbrain that monitors and processes somatosensory activity

Answer 11

medulla oblongata

Question 12

part of the hindbrain that handles sleep/wake activity

has the reticular formation or reticular activating system which handles sensory and arousal

Answer 12

pons

Question 13

part of the pons that handles arousal, attention, and response to stress

Answer 13

locus coeruleus

Question 14

part of the brainstem that handles well-learned and prediction motor/sensory processing, and balance

out of the 86 billion neurons in our brain most them are in this structure

also manages all motor movements

Answer 14

cerebellum

Question 15

give an example of the cerebellums predictions

Answer 15

when you can’t tickle yourself because it knows where you are putting your own hand relative to your body