CHAPTER 2 (P1)

Question 1

Nervous System

Answer 1

Network of cells that carries information to and from all parts of the body

Question 2

Neuroscience

Answer 2

branch of the life sciences that deals with the structire & functionig of the brain and the neurons, nerves & nervous tissue that form the nervous system

Question 3

Biological Psychology

(behavioral neuroscience)

Answer 3

branch of neuroscience that focuses on the biological bases of psychological processes, behavior & learning

Question 4

Neuron

Answer 4

Basic cell that makes up the nervous system & receives & sends messages within the system

Question 5

Dendrites

Answer 5

branch-like structures that receive messages from other neurons

Question 6

Soma

Answer 6

cell body of the neuron,responsible for maintaining the life of the cell

Question 7

Axon

Answer 7

long,tube-like structure that carries the neural message to other cells

Question 8

Axon Terminals

Answer 8

responsible for communicating with other nerve cells

Question 9

Myelin

Answer 9

Fatty substances produced by certain glial cells that coat the axons of neurons to insulate,protect and speed up the neural impulse

-clean up waste products and dead neurons

Question 10

Glial cells

Answer 10

-provide support for neurons to grow on and around
-deliver nutrients to neurons
-produce myelin to coat axons

Question 11

Resting Potential

Answer 11

State of neuron when not firing a neural impulse

Question 12

Action potential

Answer 12

the release of the neural impulse consisting of a reversal of the electrical charge within the axon

- alllows positive sodium ions to enter the cell

Question 13

Acetylcholine(ACh)

Answer 13

involved in aroual,attention,memory & controls muscle contractions

excitatory / inhibitory

Question 14

Norepinephrine(NE)

Answer 14

involved in arousal & mood

mainly excitatory

Question 15

Dopamine

Answer 15

control of movement & sensations of pleasure

exitatory / inhibitory

Question 17

Serotonin(5-HT)

Answer 17

sleep,mood,anxiety,appetite

ex / inhibitory

Question 18

GABA

Answer 18

sleep and inhibits movement

MAJOR INHIBITORY

Question 19

Glutamate

Answer 19

learning
memory formation
nervous system development
synaptic plasticity

MAJOR EXCITATORY

Question 20

Endorphins

Answer 20

pain relief

Inhibitory neural regulators

Question 21

Medulla

Answer 21

Life sustaining functions:
breathing,swallowing & heart rate

Question 22

PONS

Answer 22

-sleep
-dreaming
-left-right body coordination
-arousal

Question 23

RF

Answer 23

selective attention

Question 24

CEREBELLUM

Answer 24

controls & coordinates involuntary,rapid,fine motor movement

Question 25

LIMBIC SYSTEM

Answer 25

-learning
-emotion
-memory
-motivation