Chapter 1+2

Question 1

What is the cerebral cortex?

Answer 1

deeply folded layer of nerve tissue that makes up the surface of the cerebellum

Question 2

What does the brain stem contain?

Answer 2

midbrain, pons, and medulla oblongata

Question 3

What does the cerebellum deal with?

Answer 3

balance, coordination of voluntary movements, spatial and temporal perception

Question 4

What does the hippocampus do?

Answer 4

encode new memories

Question 5

What does the parietal lobe deal with?

Answer 5

sensory signals, taste, attention, language

Question 6

What does the frontal lobe deal with?

Answer 6

voluntary movement, problem solving, memory, emotion

Question 7

What does the temporal lobe deal with?

Answer 7

auditory information, memory

Question 8

What does the occipital lobe deal with?

Answer 8

visual information (colors, shapes)

Question 9

What does the amygdala do?

Answer 9

integrate memories and emotions

Question 10

What does the thalamus do?

Answer 10

integrate and relay sensory information to other brain parts

Question 11

What does the hypothalamus do?

Answer 11

send hormonal signals to the body through the pituitary gland

Question 12

Where is the midbrain?

Answer 12

in the brain stem, beneath the thalamus

Question 13

What makes up the basal ganglia?

Answer 13

some parts of midbrain+some parts of forebrain

Question 14

What is the basal ganglia?

Answer 14

a group of structures that help control body movements

Question 15

In which part of the brain would you find the substantia nigra?

Answer 15

the midbrain

Question 16

What are some things the hindbrain plays a role in?

Answer 16

glucose regulation, sleep, movement.

Question 17

What is the pons for?

Answer 17

breathing and posture

Question 18

What does the medulla oblongata do?

Answer 18

connect neural pathways from brain to spinal cord

Question 19

What is the corpus callosum made of?

Answer 19

myelinated nerve cells

Question 20

What are the three distinct parts of the early brain?

Answer 20

forebrain, midbrain, hindbrain

Question 21

What is a nerve tract?

Answer 21

bundle of neurons that span certain regions

Question 22

What are alpha, beta, theta, and delta classifications of?

Answer 22

brain waves

Question 23

What are spinal tracts?

Answer 23

chains of neurons that pass signals through brainstem and spinal cord

Question 24

What are reflex loops?

Answer 24

circuits that cause action before thoughts do.

Question 25

What are glia?

Answer 25

support cells for the neurons

Question 26

What are some glia in the CNS?

Answer 26

astrocyte, oligodendrocytes, ependymal cells

Question 27

What is an ion channel?

Answer 27

the channel that allows some ions to enter and blocks others.

Question 28

What can opening/closing ion channels do?

Answer 28

make the membrane potential depolarized or hyperpolarized

Question 29

What is an excitatory neuron?

Answer 29

a neuron that sends signals to push their neighbor neuron toward firing

Question 30

What is the purpose of the retina?

Answer 30

receiving/processing light

Question 31

How does light travel?

Answer 31

cornea->pupil->retina

Question 32

Rods can…

Answer 32

let you see in dim light

Question 33

Cones can…

Answer 33

let you see color AND fine detail

Question 34

How many tiny bones are inside the ear?

Answer 34

3

Question 35

True or False: there are thousands of hair cells in your ear, which are vital to your hearing.

Answer 35

true

Question 36

What is the Wernicke’s area?

Answer 36

region of left brain for speech comprehension

Question 37

True or False: olfactory neurons are constantly regenerating because of damage.

Answer 37

true

Question 38

What are some cranial nerves?

Answer 38

olfactory, glossopharyngeal, vagus nerves

Question 39

What are cilia?

Answer 39

threadlike hairs extending from a cell body

Question 40

True or False: Pain is both a sensory AND emotional experience.

Answer 40

true