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
What is the Wernicke's area?
allows us to understand speech
26
What does the parietal lobe do?
receives sensory information, controls spatial awareness, allows us to understand speech
27
What does the temporal lobe do?
receives and interprets auditory and olfactory information, develops memories, controls fear/ anxiety, controls short and long term memory
28
What does the temporal lobe contain?
amygdala and hippocampus
29
What is olfactory information?
smell
30
What does the amygdala control?
fear and anxiety
31
What does the hippocampus control?
short and long term memory
32
What does the occipital lobe do?
receives and interprets visual information
33
What is the midbrain incharge of?
auditory and visual reflexes
34
What does the thalamus do?
sorts data as it comes to the cerebrum and sends the data to the proper part of the cerebrum
35
What does the hypothalamus do
maintains homeostasis, controls pituitary gland
36
What does the medulla oblongata do?
regulates heart rate, respiration rates, and blood vessels dilation and constriction
37
What are pons?
bridge between the cerebellum and motor cortex/sensory cortex
38
What does pons do?
allows the cerebellum to better coordinate movement