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psychology > organization of nervous system > Flashcards

organization of nervous system Flashcards

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1
Q

spinal cord

A

reflex responses, relay to/from brain

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2
Q

brain

A

“lower” structures (toward spinal cord) carry out basic life processes, hindbrain, midbrain, “higher” structures carry out complex cognitive function, mostly forebrain

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3
Q

cerebellum

A

balance and coordinated movement

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4
Q

medulla

A

HR and breathing, some desiccations

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5
Q

Pons

A

sleep and arousal, balance, coordinated movements, and some hearing

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6
Q

reticular formation

A

arousal and attention

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7
Q

midbrain

A

(above pons) helps vision and audition, for ex- by fixing gaze even as your head moves, aids basic movements for sex and aggression

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8
Q

thalamus

A

relay station, send info to appropriate information area in the cortex and from the cortex

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9
Q

Hypothalamus

A

autonomic info- homeostasis

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10
Q

Limbic system

A

hippocampus and amygdala

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11
Q

Hippocampus

A

vital for memory/learning

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12
Q

amygdala

A

emotion center (emotion and learning, emotion recognitio)

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13
Q

cerebral cortex

A

2-3mm thick, wrinkled and convoluted- much surface area, controls complex and abstract thought

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14
Q

cerebral cortex - 4 lobes

A

frontal, parietal, occipital, and temporal lobes

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15
Q

how much is cortical mass in association area, in humans?

A

about 3/4

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16
Q

frontal lobe

A

help inhibit behavior, plans, thoughts, language, interpreting

17
Q

Phineas Gage

A

accident in 1848 damaged pathways between his limbic system and frontal cortex; frontal lobes initiate activity and suppress inappropriate behaviors

18
Q

temporal lobe

A

learning, memory, auditory, language

19
Q

parietal lobe

A

touch (temp, sharp/dull), spatial reasoning, multi sensory integration

20
Q

Occipital

A

vision

21
Q

Rasmussen syndrome

A

very rare disorder in children, inflammation of the brain cells in one hemisphere, leading to frequent and severe seizures.
Treatment: hemispherectomy (remove affected hemisphere of brain)

22
Q

How many hemispheres does the cerebral cortex have

A

2 halves, left and right

23
Q

Hemispheres connected by what

A

corpus collosum

24
Q

“cross over”

A

sensory and motor pathways “cross over” so L side of brain controls R side of body, R side of brain controls L side of bodyl

25
Q

Right hemisphere

A

spatial information (visual maps), holism: recognition of wholes and contexts

26
Q

Left hemisphere

A

Language (broca’s area and Wernicke’s areas) for right handed people, positive emotions

psychology (6 decks)

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