nervous system Flashcards

1
Q

what is the cerebrum?

A

outer layer & largest part of the brain

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2
Q

What does the cerebrum do?

A

site of integration

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3
Q

What is the outer layer of the cerebrum?

A

cerebral cortex

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4
Q

What is the outside of the cerebrum covered by?

A

sulci and gyri

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5
Q

What is a sulci?

A

a valley or indent

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6
Q

What is a gyri?

A

a peak

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7
Q

How many lobes is the cerebrum?

A

4

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8
Q

How many hemisphere does the cerebrum have?

A

2 (left; right)

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9
Q

What connects the two hemispheres?

A

the corpus callosum

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10
Q

What is the diencephalon?

A

the interbrain- deep within the brain

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11
Q

What does the diencephalon do?

A

connects the cerebrum to the brain stem

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12
Q

What does the diencephalon contain?

A

thalamus, hypothalamus, and pituitary gland

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13
Q

What is the pituitary gland?

A

the master endocrine gland-controls other hormones releasing glands

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14
Q

What does the brain stem do?

A

attaches the spinal cord to the cerebrum

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15
Q

What does the brain stem control?

A

basic needs and determines where information entering and leaving the brain needs to go

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16
Q

What does the brain stem consist of?

A

midbrain, pons, medulla oblongata

17
Q

What is the cerebellum?

A

“little brain”

18
Q

What does the cerebellum do?

A

muscle memory and muscle coordination

19
Q

What is the function of the front lobe?

A

executive function: planning, organizing, self monitoring, personality, decision making

20
Q

What does the front lobe contain?

A

motor cortex and broca’s area

21
Q

What is the motor cortex?

A

starts all movement

22
Q

What is the broca’s area?

A

allows us to form speech

23
Q

What does the parietal lobe contain?

A

sensory cortex and wernicke’s area

24
Q

What is the sensory cortex?

A

receives most sensory information

25
Q

What is the Wernicke’s area?

A

allows us to understand speech

26
Q

What does the parietal lobe do?

A

receives sensory information, controls spatial awareness, allows us to understand speech

27
Q

What does the temporal lobe do?

A

receives and interprets auditory and olfactory information, develops memories, controls fear/ anxiety, controls short and long term memory

28
Q

What does the temporal lobe contain?

A

amygdala and hippocampus

29
Q

What is olfactory information?

A

smell

30
Q

What does the amygdala control?

A

fear and anxiety

31
Q

What does the hippocampus control?

A

short and long term memory

32
Q

What does the occipital lobe do?

A

receives and interprets visual information

33
Q

What is the midbrain incharge of?

A

auditory and visual reflexes

34
Q

What does the thalamus do?

A

sorts data as it comes to the cerebrum and sends the data to the proper part of the cerebrum

35
Q

What does the hypothalamus do

A

maintains homeostasis, controls pituitary gland

36
Q

What does the medulla oblongata do?

A

regulates heart rate, respiration rates, and blood vessels dilation and constriction

37
Q

What are pons?

A

bridge between the cerebellum and motor cortex/sensory cortex

38
Q

What does pons do?

A

allows the cerebellum to better coordinate movement