The Brain and Nervous System Flashcards

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1
Q

Brain Stem

A

located at the top of the spine and bottom of the brain (in charge of basic life support functions)

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2
Q

Limbic System

A

sits at the top of the brain stem, regulates our emotions

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3
Q

Cerebellum

A

sits at the back of the brain, involved with movement and posture

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4
Q

Cerebrum

A

responsible for the 5 senses, manages all thoughts, has 2 hemispheres

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5
Q

Corpus Callosum

A

thick bundle of axons connecting the 2 hemispheres

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6
Q

Occipital Lobe

A

located at the back of the cerebral cortex, involved in vision

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7
Q

Temporal Lobe

A

located on the underside of the cerebral cortex, where sounds and smells, memory, and language comprehension are processed

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8
Q

Parietal Lobe

A

located at the upper back of the cerebral cortex, where touch, taste, and pain are processed

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9
Q

Frontal Lobe

A

located at the forward part of the cerebral cortex, where behavioral motor plans, speech, language, creative problem solving, planning, and organization are processed

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10
Q

Primary Motor Cortex

A

in charge of voluntary movements

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11
Q

Peripheral Nervous System

A

a network of nerves that travel to each part of the body that carries the signals necessary for the body to survive

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12
Q

PET

A

records metabolic activity in the brain by injecting a radioactive substance into the bloodstream

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13
Q

fMRI

A

measures changes in the levels of naturally occurring oxygen in the blood

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14
Q

EEG

A

measure electrical brain activity instead of blood flow

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15
Q

Major Areas of the Brain Are:

A

Brain Stem, Limbic System, and Cerebral Cortex

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16
Q

Amygdala

A

(limbic sustem) emotion, fear, anger

17
Q

Hypothalamus

A

(limbic system) regulates body temp and hunger

18
Q

Hippocampus

A

(limbic system) memory

19
Q

Thalamus

A

(limbic system) relays sensory info to the cortices where they are processed

20
Q

Left Side of Brain

A

speech, language, analysis, calculations, time

21
Q

Right Side of Brain

A

creativity, spatial ability, context, perception, recognition of faces, places, objects

22
Q

Hearing Process

A

auditory hair cells- cochlear nerve- thalamus- auditory cortex

23
Q

How does smell happen?

A

Through the inhalation of odor molecules

24
Q

How does Taste happen?

A

through chemicals from food/drink being released into the mouth