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Psych 101 > Exam 1 > Flashcards

Exam 1 Flashcards

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1
Q

What are the three important steps to the scientific method?

A

Theory, hypothesis, data

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2
Q

A definition you can recognize, put into operation

A

Operational definition

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3
Q

Same as the population in every important way

A

Representative sample

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4
Q

Does high realism equal (high or low) control?

A

Low control

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5
Q

Measured by direction and strength

A

Correlation

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6
Q

What are the two requirements to be considered an experiment?

A

Random assignment, manipulation

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7
Q

What are the 5 requirements for proper ethics?

A

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

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8
Q

Portion of the neuron that receives info from other neurons

A

Dendrite

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9
Q

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

A

Axon

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10
Q

Keeps neuron alive and determines if it will fire

A

Cell body

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11
Q

Is grey matter made up of myelinated or unmyelinated axons?

A

Unmyelinated

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12
Q

Thinking part of the brain

A

Cerebral cortex

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13
Q

Small gap between neurons

A

Synapse

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14
Q

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

A

True

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15
Q

Mimics neurotransmitter to enhance

A

Agonist

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16
Q

Blocks neurotransmitter to inhibit

A

Antagonist

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17
Q

Branches of nervous system

A

Peripheral and central

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18
Q

Branches of peripheral nervous system

A

Autonomic and somatic

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19
Q

Branches of autonomic nervous system

A

Sympathetic and parasympathetic

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20
Q

Arouses the body when it faces a threat

A

Sympathetic nervous system

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21
Q

Calms body down after the threat is gone

A

Parasympathetic nervous system

22
Q

Portion of the brain that has died

A

Lesion

23
Q

Temporary lesion used to stimulate the brain

A

Transcranial magnetic stimulation

24
Q

Open brain surgery to stimulate area of the brain

A

Direct electrical stimulation

25
Q

Ratio of glial cells to neurons

A

Estimated 1 to 1

26
Q

Creates a faster rate of impulse

A

Myelin sheath

27
Q

Chemical involved in learning, memory, muscle movement

A

Acetylcholine

28
Q

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

A

Dopamine

29
Q

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

A

Blood-brain barrier

30
Q

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

A

Serotonin and Norepinephrine

31
Q

Main inhibitory neurotransmitter, prevents brain from becoming too aroused

A

GABA

32
Q

Group of neurotransmitters involved in pain relief, feelings of pleasure

A

Endorphins

33
Q

Automatic action not required brain

A

Spinal reflex

34
Q

Links spinal cord and brain

A

Medulla

35
Q

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

A

Pons

36
Q

Network of neurons running up brain stem into thalamus

A

Reticular formation

37
Q

Coordination, sense of balance, motor learning

A

Cerebellum

38
Q

Relay station for incoming sensory info (except for smell)

A

Thalamus

39
Q

Initiation/execution of movement

A

Basal ganglia

40
Q

Parts of limbic system

A

Hypothalamus, amygdala, hippocampus

41
Q

Formation of memories

A

Hippocampus

42
Q

Layer of the brain involving brain stem + cerebellum

A

Hindbrain

43
Q

Vital life functions layer

A

Hindbrain

44
Q

Area involved in speech comprehension

A

Wernicke’s area

45
Q

Area involved in speech production

A

Broca’s area

46
Q

Physically make the sounds of speech

A

Motor cortex

47
Q

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

A

Corpus callosum

48
Q

Nerves CAN regrow if damaged in this area

A

Peripheral nervous system

49
Q

Part of the hypothalamus involved in reward hypothesis

A

Nucleus accumbens

50
Q

Theory explaining tolerance and withdrawal

A

Opponent-process theory

51
Q

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

A

False, higher dose can produce completely different symptoms

Psych 101 (3 decks)

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