01 Intro to CNS

Question 1

05 A reductionist approach in neuroscience means

Answer 1

functions become structures at lower biological levels

Question 2

07 The brain has complementary structures organized

Answer 2

Side-to-side

Question 3

08 A coronal section slices the brain

Answer 3

Front-to-back

Question 3

08 A horizontal section slices the brain

Answer 3

Top-to-bottom across the horizontal plane

Question 5

08 A sagittal section slices the brain

Answer 5

Side-to-side

Question 6

15 Cortical gryi are _____ and sulci are _______.

Answer 6

ridges, fissures

Question 7

15 The cortex is ______ thick.

Answer 7

1.5-3 mm

Question 8

15 The cortical surface area is _________.

Answer 8

1000-2000 cm2

Question 9

18 One reason the human species have larger brains adjust for body weight than other species is that

Answer 9

human brain size continues to grow after birth

Question 10

20 Compared to other species human brains proportionally have _____ cells and ______ cell connections.

Answer 10

more, more

Question 11

21 Which cortical region is proportionally larger in human brains than other species?

Answer 11

Associative cortex

Question 12

24 Name the three parts of a neuron’s structure?

Answer 12

Soma, dendrite, axon

Question 13

25 A bipolar neuron has

Answer 13

one dendrite and one axon.

Question 14

26 Name some types of glial cells.

Answer 14

Astrocytes

Oligodendrocyte

Microglia

Schwann cell

Question 15

27 Neurons communicate by

Answer 15

action potentials

Question 16

28 An action potential lasts a few

Answer 16

milliseconds

Question 17

29 Action potentials cause neurotransmitter

Answer 17

release

Question 18

31 Proliferation, migration, and differentiation are three stages of neural

Answer 18

growth

Question 19

34 Critical periods in behavioral development are associated with neural

Answer 19

differentiation

Question 20

37 Local coding in neurons is most often associated with

Answer 20

primary sensory regions

Question 21

38 A topographical map in the cortex is a _________ representation of the world.

Answer 21

sensory

Question 22

40 One problem with local coding schemes for neurons is that they __________ respond to input.

Answer 22

broadly

Question 23

41 Vector coding schemes for neurons differs from local coding schemes in that representational responses are ___________.

Answer 23

distributed