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Psychology > Unit 3 > Flashcards

Unit 3 Flashcards

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1
Q

Dendrites

A

Receive messages

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2
Q

Axon

A

Passes messages

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3
Q

Myelin Sheath

A

makes transmission faster

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4
Q

Action Potential

A

electrical charge

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5
Q

Refractory Period

A

Toilet Flush

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6
Q

Threshold

A

stimulation needed for an impulse

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7
Q

Soma

A

Cell body + Life Support

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8
Q

Synapse

A

Gap

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9
Q

Neurotransmitter

A

Chemical messengers

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10
Q

Endorphins

A

Natural opiates

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11
Q

Agonist

A

stimulates a response

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12
Q

Antagonist

A

blocks a response

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13
Q

Heredity

A

characteristics being passed on

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14
Q

Sensitive Period

A

Early development

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15
Q

Monozygotic twins

A

one egg two babies

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16
Q

Dizygotic Twins

A

2 eggs 2 babies

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17
Q

Nervous System

A

nerve cells in peripheral/central NS

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18
Q

Central NS

A

Brain and spinal cord

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19
Q

Peripheral NS

A

Everything else connecting to body

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20
Q

Nerves

A

Bundled axon connects CNS to body

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21
Q

Sensory Nuerons

A

carry incoming info

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22
Q

Motor Nuerons

A

Carry outgoing info

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23
Q

Somatic NS

A

voluntary skeletal muscles

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24
Q

Autonomic NS

A

controls glands and muscles

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25
Q

Endocrine System

A

Slow but long release of hormones

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26
Q

Adrenal Glands

A

secretes hormones

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27
Q

Pituitary Gland

A

regulates growth and stress

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28
Q

Reflex Arc

A

Processes before the brain

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29
Q

Sympathetic NS

A

emergency response system

30
Q

Parasympathetic NS

A

Calms down

31
Q

Receptor Sites

A

Lock where NT fits into

32
Q

EEG

A

recording of waves using electrodes

33
Q

CT

A

X-Ray photos from a computer

34
Q

PET

A

Brain activity using glucose

35
Q

MRI

A

magnetic fields to see soft tissue

36
Q

fMRI

A

function and structure

37
Q

Brainstem

A

automatic survival functions

38
Q

Medulla

A

Heart and breathing

39
Q

Thalamus

A

Sensory Control Center

40
Q

Reticular Formation

A

filters out feelings

41
Q

Cerebellum

A

Balance and movement coordination

42
Q

Limbic System

A

Neural system for emotion and drive

43
Q

Hippocampus

A

Memory headquarters

44
Q

Amygdala

A

Linked to emotion

45
Q

Hypothalamus

A

eating/drinking/body temp

46
Q

Cerebral cortex

A

Interconnecting neural cells

47
Q

Frontal Lobes

A

Speaking/thinking/muscle memory/plans

48
Q

Parietal Lobes

A

input for touch/body position

49
Q

Occipital Lobes

A

visual info from opposite eye

50
Q

Temporal Lobes

A

Auditory Info from the opposite ear

51
Q

Motor Cortex

A

voluntary movement

52
Q

Somatosensory Cortex

A

parietal lobes (body touch/movement sensations)

53
Q

Cortisol

A

Mood/motivation/fear

54
Q

Epinephrine

A

Adrenaline

55
Q

Gonads

A

Sex glands

56
Q

Association Areas

A

Learn/remember/think/speak

57
Q

Neurogenesis

A

Formation of new nuerons

58
Q

Thyroid

A

metabolism/growth/appetite

59
Q

Resting State/Potential

A

waiting for threshold to be reached

60
Q

Pineal Gland

A

secretes melatonin

61
Q

Acetylcholine

A

Thought/learning/memory

62
Q

Serotonin

A

mood/happiness

63
Q

Dopamine

A

Reward

64
Q

Norepinephrine

A

fight or flight

65
Q

GABA

A

calming tranquilizer

66
Q

Glutamate

A

memory

67
Q

Endorphins

A

euphoria

68
Q

Dual processing

A

functions consciously and unconsciously

69
Q

chromosomes

A

thread DNA to carry genes

70
Q

Genome

A

instructions on an organism

71
Q

Epigenetics

A

environmental influence on genes

Psychology (2 decks)

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