Test 2 Flashcards

0
Q

Pluripotent

A

5 days after contraception, can make any organ

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1
Q

Totipotent

A

Ability to produce all cells of body

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2
Q

Multi potent

A

Can develop into any nervous system cell

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3
Q

Neural proliferation

A

Generation of new cells

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4
Q

Symmetrical division

A

2 more progenitor cells

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5
Q

Asymmetrical division

A

1 progenitor, 1 neuron

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6
Q

Cajal retzius cells

A

Signal to stop migrating

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7
Q

Progenitor cells

A

Stem cells that give rise to cells of Cns

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8
Q

Ventricular zone

A

Contains progenitor cells

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9
Q

What is the frontal lobe involved in?

A

Memory formation
Emotions
Decision making
Personality

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10
Q

What are the cortical regions of the frontal lobe?

A

Primary motor cortex: controls movement of body
Broca’s area: speech/ language, left side only
Orbitofrontal frontal cortex: site of frontal lobotomies

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11
Q

Prefrontal cortex

A

Personality, last to mature

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12
Q

What does the parietal lobe do?

A

Senses
Spatial awareness/perception
Proprioception: awareness of body in space and in relation to itself

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13
Q

Cortical regions of parietal lobe?

A

Primary somatosensory cortex (post central gyrus): processes tactile information
Somatosensory association cortex: integration/interpretation of sensations relative to body position
Primary gustatory cortex: taste

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14
Q

What does the occipital lobe do?

A

Processes, integrates, and interprets vision

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15
Q

What are the cortical regions of the occipital lobe?

A

Primary visual cortex: responsible for processes of sight

Visual association area: interprets info from primary visual cortex

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16
Q

What does the temporal lobe do?

A

Hearing
Organization/comprehension of language
Information retrieval and memory formation

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17
Q

Cortical regions of temporal lobe?

A

Primary auditory cortex: hearing
Primary olfactory cortex: interprets sense of smell
Wernickes area: language comprehension, left side only
Accurate fascicolus: white matter tract that connects Broca’s area to wernickes area, allows for coordinated/comprehensive speech

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18
Q

Neocortex

A

Newest cortex, analytical mind

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19
Q

Limbic cortex

A

Old cortex, emotional mind

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20
Q

Limbic system functions

A

Emotional brain
Emotional hearing
Associated with memory
Associated with pain/pleasure, rage

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21
Q

Psychopharmacology

A

Scientific study of effects of drugs on behavior

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22
Q

Pharmocokinetics

A

Study of drugs moving around body

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23
Q

Cingulate gyrus

A

Emotion formation, processing, learning, memory. Behavioral outcomes to motivation. Depression/schizophrenia

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24
Basal ganglia
Collection of nuclei that controls movement
25
Thalamus
Motor control, auditory/somatosensory/visual. Sleep/awake states
26
Papez circuit
Memory
27
Tectum
Dorsal vision, hearing
28
Tegmentum
Species typical behavior
29
Pons
Cranial nerve
30
Cerebellum
Damage: impaired standing,walking, coordination
31
Medulla oblongata
Breathing/heart rate
32
Pharmacodynamics
Interaction of drug and receptor responsible for action in body
33
Additive effects
1+1=2
34
Synergistic effects
1+1=10
35
Glutamate
Excitatory
36
GABA
Inhibitory
37
Acetlycholine
Facilitates learning/motor
38
Norepinephrine
Vigilance, enhances readiness to react to environment
39
Histamine
Awake
40
Serotonin
Mood/impulse
41
Dopamine
Motor control/reinforcement
42
Amygdala
Fear/anxiety, emotions
43
Basal ganglia
Movement
44
Brain stem
Info between brain and spinal column
45
Cerebellum
Motor coordination, balance
46
Hippocampus
Memory, learn new info
47
Hypothalamus
Eating, sex
48
Neocortex
Complex thinking, feeling, movement
49
Nucleus accumbens
Reward
50
Spinal cord
Info between body and brain
51
Benzodiazepines
Indirect GABA agonist, tranquilizer, Valium
52
Caffeine
Adenosine antagonist, keeps you awake
53
Fluoxetine
Inhibits reputable of serotonin, Prozac
54
Cocaine
Inhibits trip take of dopamine
55
Heroin
Full opioid agonist
56
L-dopa
Increases level of precursor for dopamine
57
LSD
Stimulates serotonin receptors
58
Naloxone
Opiod antagonist
59
Nicotine
Triggers nicotinic acetylcholine receptors
60
Sarin
Blocks acetylcholine reuptake, agonist
61
THC
Triggers endocanmabinoid lipids
62
Viagra
Nitric oxide