Test 2 Flashcards

(90 cards)

1
Q

Phrenology

A

bumps on the skull could reveal our mental abilities and character traits

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2
Q

Biopsychology

A

The mind thinking about the brain (biology, behavior, mental process)

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3
Q

Neuroscience

A

Focuses on mind and behavior
-biological approach

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4
Q

Nervous system

A

sends messages to the brain for body movement

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5
Q

Neurons

A

Send messages to and from the brain
-RECEIVE, PROCESS & TRANSMIT INFO

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6
Q

2 primary functions of the nervous system

A

-Central nervous system
-Peripheral nervous system

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7
Q

Sensory/Afferent neuron

A

Takes info from the organ to the brain

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8
Q

Interneurons

A

interpret messages

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9
Q

Motor/Efferent neuron

A

reaction messages away from the brain to the muscles, organs, and glands

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10
Q

Action Potential

A

when the neurons fire/go

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11
Q

recharging period

A

when the neuron charges
-neuron can’t fire until fully charged

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12
Q

resting potential

A

neuron has the potential to fire/go

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13
Q

absolute threshold

A

tipping/breaking point before it fires

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14
Q

all or nothing

A

either fires or does not

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15
Q

depolarization

A

aftermath effect of action potential

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16
Q

synapse

A

acts as an electrical insulator, preventing an electrical charge from racing to the next skill

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17
Q

neurotransmitter

A

chemical messenger
-used in natural communicaion

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18
Q

netural communication

A

the chimcals that our bodies produce work as agonist and antagonists

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19
Q

agonists

A

speed up

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20
Q

antagonists

A

slow down/block

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21
Q

endocrine system

A

bodys chemical messengar that relies on hormones

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22
Q

pututiary gland

A

controls all of the responses of the endocrine system and overall growth
-most important gland

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23
Q

thyroid

A

regulate energy level in the body

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24
Q

adrenal

A

help arose the body in time of stress (adrenaline)

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25
pancreatic
regulate blood sugar in blood (diabetes)
26
sex
overies and testes are the glands that influence emotion and physical development
27
brain stem
made up of 4 regions -oldest part of the brain
28
medulla
egulated body/life-support functions including breathing, blood pressure, and heart rate
29
pon
sleep -what happens when you are sleeping -why you don't pee the bed -why you can still breath
30
reticulsr
keep brain alert -reactions -damage leads to coma
31
thalamus
central processing chip incoming and outgoing sensorys
32
cerebellum
coordinaes with motor skills and movemnt we preform without thinking -reading, talking, breathing, walking
33
limbic system
give humans capability for emotion and memory -middle layer of brsin that wraps around the thalmus
34
hippocampus
memories -process new memory for permanemt storage
35
amygdala
fear and anger
36
hypothalamus
body thermostate -regulate body temp, fluid levels, and nutrients -body temp, when you get hungry, when you get thirsty
37
cerebal cortex
high order thinking and process -covers the brains lower level structure
38
frontal lobe
-involves motor cortex -making plans and judgement -just behind forehead
39
parietal lobe
processing senses -top of brain
40
temporal lobe
involving in auditory (listening)
41
occipital lobe
visual functions -back of the brain
42
corpus callosum
connects the brain -sometimes cut to prevent seizures
43
Broca's area
expressive language, muscle movement, important to speech -located in the left frontal lobe
44
Wernicke area
understanding of tone, sound of voice when sad, mad, happy -located in the temporal lobe
45
motor cortex
movements -ride side controls left -left side controls right back of the frontal lobe
46
somatosesnory
touch
47
left hemisphere
regulate positive emotions, control of muscles, used in psych, movement, speaking, and writing memory for words, speech writing, and language
48
right hemisphere
regulate negative emotion, respond to simple commands memory for music and shapes, spatial relationships, visual
49
longitudinal fissure
divide central cortex into right and left hemisphere
50
split brain process
helps people who have a lot of seizure -cutting the brain in two by cutting the corpus callosum
51
sensation
stimulated receptor (eyes, ears ) create pattern of natural messages that represent the stimulus in the brain -taking stuff in
52
perception
based on personal experiences -how you perceive something
53
top down percepion
emphizez that percives expectation, concept memories, and other cognitive factors
54
transduction
the sensory process that converts energy such as light or sound waves into natural messages
55
sensory adaptation (adjustments)
vody getting use to ie like getting in a cold pool and getting used to the temp
56
absolute threshold
maximum level of stimulus necessary for a stimulus to be detected
57
just noticable difference (JND)
minimal amount of charge in the signal that is still recognizable
58
cornea
protective outer later of eye
59
iris
muscle controlling the pupil
60
lens
sharpen/focuse vision
61
retina
transduction happens in the light senstative layer of cell at back of eye
62
photoreceptor
light senor neruon
63
rods
sensitive to dim light, not color
64
cones
sensitive to color, not dim lights
65
fovea
sharpest visual point -most detailed
66
optic nerve
carry visual info to brain/memory cortex
67
blind spot
point where theres no photoeceptor
68
cochea
snail shaped tube
69
paralell processing
picking up color, motion, form and depth to recognize something like a bird
70
middle ear
transmits the eardrum vibration
71
auditory nerve
movement of cells trigger the adjacen bever fibers and connects thalamus to temporal lobe
72
sound localization
determine where sound id coming from -which ear hears it first -which ear hears a louder sound
73
conduction deafness
inablility to hear, resulting for damage to the structure of the middle or inner ear
74
nerve deafness
inablility to hear, linked to a deficint in the body ability to ransmit impulse from the cochela to the brain -sensorinerual deafness
75
vestibular sense
sense of body orientation with respect to gravity -balance
76
kinesthetic sense
body sense -knowing if your sore or hurt -feedback your body gives you
77
umami
saveroy flavor
78
taste recepors
damaged from alchol and smoke
79
skin senses
pain, warmth, cold, pressure
80
gate-control theroy
explanaion for pain contro; saying we have neral gate that can block incoming pain
81
extrasensory
ability to gain information by some means other then ordinary senses
82
clairvoyance
perceiving objects or info without sensory
83
telepathy
involve the reading of someone else thoughts
84
precognitive
ability to foretell future events
85
psychokinesis
involving moving objects
86
feature detectors
specialized cells in the brain that identify specific features (line, curve)
87
bottom-up
analyze characteristics -color, line, edge
88
top-down
expectation, memory -reading
89
perceptual consistency
color, size, shape
90