Exam 1

Question 1

What are the three important steps to the scientific method?

Answer 1

Theory, hypothesis, data

Question 2

A definition you can recognize, put into operation

Answer 2

Operational definition

Question 3

Same as the population in every important way

Answer 3

Representative sample

Question 4

Does high realism equal (high or low) control?

Answer 4

Low control

Question 5

Measured by direction and strength

Answer 5

Correlation

Question 6

What are the two requirements to be considered an experiment?

Answer 6

Random assignment, manipulation

Question 7

What are the 5 requirements for proper ethics?

Answer 7

No harm, informed consent, withdrawal, deception/debriefing, anonymity/confidentiality

Question 8

Portion of the neuron that receives info from other neurons

Answer 8

Dendrite

Question 9

Extending fiber that conducts impulses away from cell body and transmits to other cells

Answer 9

Axon

Question 10

Keeps neuron alive and determines if it will fire

Answer 10

Cell body

Question 11

Is grey matter made up of myelinated or unmyelinated axons?

Answer 11

Unmyelinated

Question 12

Thinking part of the brain

Answer 12

Cerebral cortex

Question 13

Small gap between neurons

Answer 13

Synapse

Question 14

True or false- action potential increases blood flow because they cannot store oxygen/energy by themselves

Answer 14

True

Question 15

Mimics neurotransmitter to enhance

Answer 15

Agonist

Question 16

Blocks neurotransmitter to inhibit

Answer 16

Antagonist

Question 17

Branches of nervous system

Answer 17

Peripheral and central

Question 18

Branches of peripheral nervous system

Answer 18

Autonomic and somatic

Question 19

Branches of autonomic nervous system

Answer 19

Sympathetic and parasympathetic

Question 20

Arouses the body when it faces a threat

Answer 20

Sympathetic nervous system

Question 21

Calms body down after the threat is gone

Answer 21

Parasympathetic nervous system

Question 22

Portion of the brain that has died

Answer 22

Lesion

Question 23

Temporary lesion used to stimulate the brain

Answer 23

Transcranial magnetic stimulation

Question 24

Open brain surgery to stimulate area of the brain

Answer 24

Direct electrical stimulation

Question 25

Ratio of glial cells to neurons

Answer 25

Estimated 1 to 1

Question 26

Creates a faster rate of impulse

Answer 26

Myelin sheath

Question 27

Chemical involved in learning, memory, muscle movement

Answer 27

Acetylcholine

Question 28

Which chemical transmitter impacts arousal, mood states, thought process, physical movement

Answer 28

Dopamine

Question 29

Protection where blood capillaries supplying the brain form a barrier that stops dangerous substances

Answer 29

Blood-brain barrier

Question 30

Major role in mood disorders, levels of arousal/mood, sleep, eating

Answer 30

Serotonin and Norepinephrine

Question 31

Main inhibitory neurotransmitter, prevents brain from becoming too aroused

Answer 31

GABA

Question 32

Group of neurotransmitters involved in pain relief, feelings of pleasure

Answer 32

Endorphins

Question 33

Automatic action not required brain

Answer 33

Spinal reflex

Question 34

Links spinal cord and brain

Answer 34

Medulla

Question 35

Passageway for neural signals to and from higher parts of the brain

Answer 35

Pons

Question 36

Network of neurons running up brain stem into thalamus

Answer 36

Reticular formation

Question 37

Coordination, sense of balance, motor learning

Answer 37

Cerebellum

Question 38

Relay station for incoming sensory info (except for smell)

Answer 38

Thalamus

Question 39

Initiation/execution of movement

Answer 39

Basal ganglia

Question 40

Parts of limbic system

Answer 40

Hypothalamus, amygdala, hippocampus

Question 41

Formation of memories

Answer 41

Hippocampus

Question 42

Layer of the brain involving brain stem + cerebellum

Answer 42

Hindbrain

Question 43

Vital life functions layer

Answer 43

Hindbrain

Question 44

Area involved in speech comprehension

Answer 44

Wernicke's area

Question 45

Area involved in speech production

Answer 45

Broca's area

Question 46

Physically make the sounds of speech

Answer 46

Motor cortex

Question 47

Myelinated axons connecting the brain's hemispheres severed to treat epilepsy

Answer 47

Corpus callosum

Question 48

Nerves CAN regrow if damaged in this area

Answer 48

Peripheral nervous system

Question 49

Part of the hypothalamus involved in reward hypothesis

Answer 49

Nucleus accumbens

Question 50

Theory explaining tolerance and withdrawal

Answer 50

Opponent-process theory

Question 51

True or false - higher dose of a drug just enhances the symptoms of a lower dose

Answer 51

False, higher dose can produce completely different symptoms