CHAPTER 3 nervous system Flashcards

1
Q

Agnostics

A

drugs that increase the action of a neurotransmitter

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2
Q

Antagonists

A

drugs that block the function of a neurotransmitter

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3
Q

amphetamine function

A

stimulates that release of norepinephrine and dopamine

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4
Q

Three divisions of the brain

A

forebrain, midbrain, hindbrain

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5
Q

hindbrain

A

an area of the brain that coordinates information coming into and out of the spinal cord
controls basic functions of life: respiration, alertness, and motor skills

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6
Q

Structures included in the hindbrain

A

medulla, reticular formation, cerebellum and the pons

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7
Q

medulla

A

an extension of the spinal cord into the skull that coordinates heart rate, circulation, and respiration

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8
Q

reticular formation

A

regulates sleep, wakefulness, and levels of arousal

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9
Q

cerebellum

A

large structure of the hindbrain that controls fine motor skills

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10
Q

pons

A

relays information from the cerebellum to the rest of the brain

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11
Q

midbrain

A

sits on top of hind brain

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12
Q

midbrain structures

A

tectum and tegmentum

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13
Q

tectum and tegmentum function

A

orientation and guiding movement

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14
Q

Forebrain divisions

A

subcortical structures and cerebral cortex

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15
Q

subcortical structures

A

thalamus, hypothalamus, pituitary gland, hippocampus, amygdala, and basal ganglia

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16
Q

thalamus

A

relays and filters information from the senses and transmits the information to the cerebral cortex

17
Q

hypothalamus

A

regulates body temperature, hunger, thirst, and sexual behavior

18
Q

pituitary gland

A

hormone production

19
Q

hippocampus

A

memories!!

20
Q

amygdala

A

plays a central role in many emotional processes particularly the formation of emotional memories

21
Q

basal ganglia

A

directs intentional movement

22
Q

cerebral cortex

A

outermost layer of the brain divided into right and left hemispheres

23
Q

lobes in hemispheres

A

occipital lobe, parietal lobe, temporal lobe, frontal lobe

24
Q

occipital lobe

A

processes visual information

25
Q

parietal lobe

A

processes information about touch

26
Q

temporal lobe

A

hearing and language

27
Q

frontal lobe

A

specialized areas for movement, abstract thinking, planning, memory, and judgment

28
Q

event related potential

A

measured by EEG

29
Q

4 methods of studying the brain

A

post mortem structural studies
lesion studies
direct cortical stimulation
neuroimaging

30
Q

fMRI

A

measures blood shadow, model of whats happening