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BIO 190 > BIO 190 - The Brain (Lecture) > Flashcards

BIO 190 - The Brain (Lecture) Flashcards

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Biology 101 flashcards
1
Q

grey matter

A

unmyelinated axons

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2
Q

What are the four parts of the cerebral hemispheres?

A
  1. frontal lobe
  2. parietal lobe
  3. temporal lobe
  4. occipital lobe
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3
Q

What are the four parts of the cerebral hemispheres?

A
  1. frontal lobe
  2. parietal lobe
  3. temporal lobe
  4. occipital lobe
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4
Q

What are the three parts of the brain stem?

A
  1. midbrain
  2. pons
  3. medulla oblongata
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5
Q

grey matter

A

unmyelinated axons

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6
Q

white matter

A

myelinated axons

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7
Q

What are the three layers that surround the cns starting with the outermost layer?

A
  1. dura mater
  2. arachnoid mater
  3. pia mater
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8
Q

What are the functions of the frontal lobe?

A
  • concentration
  • decision making
  • planning
  • skeletal muscles
  • verbal communication
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9
Q

central sulcus

A

separates frontal lobe from parietal lobe

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10
Q

central sulcus

A

separates frontal lobe from parietal lobe

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11
Q

somatesthetic sensation

A
  • ability to feel or perceive

- ex. pinching

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12
Q

somatesthetic sensation

A
  • ability to feel or perceive

- ex. pinching

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13
Q

What are the functions of the occipital lobe?

A
  • correlating new images with previous images
  • eye movement
  • perception and understanding of visual images (happy or sad)
  • vision
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14
Q

What are the functions of the occipital lobe?

A
  • correlating new images with previous images
  • eye movement
  • perception and understanding of visual images (happy or sad)
  • vision
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15
Q

What is hemispheric lateralization due to?

A

the separation of fibers

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16
Q

How does the corpus callosum play into hemispheric lateralization?

A

allows dominant side to take over motor function and decision making

17
Q

What does the non-dominant hemisphere specialize in?

A

non-verbal functions (emotions, experiences, intuitive thinking)

18
Q

right hemisphere

A
  • aRt
  • compressions of patterns and part/whole relationships
  • nonverbal experiences (how it felt or looked)
  • music composition but NOT analysis
  • recognition of people based on facial features
  • visuospatial tasks (feng shui)
19
Q

right hemisphere

A
  • aRt
  • compressions of patterns and part/whole relationships
  • nonverbal experiences (how it felt or looked)
  • music composition but NOT analysis
  • recognition of people based on facial features
  • visuospatial tasks (feng shui)
20
Q

Broca’s area

A
  • movements of structures for speech production
21
Q

Where is Broca’s area located?

A
  • frontal lobe

- left side of brain

22
Q

Where is Wernicke’s area located?

A

temporal lobe

23
Q

Where is Wernicke’s area located?

A

temporal lobe

24
Q

expressive/Broca’s aphasia

A
  • inability or limited speech
  • right sided weakness, paralysis
  • able to understand, aware of inability
25
Q

modified melodic intonation therapy

A
  • Broca’s on left

- singing on right

26
Q

modified melodic intonation therapy

A
  • Broca’s on left

- singing on right

27
Q

basal ganglia/nuclei

A
  • produce NT dopamine to facilitate voluntary movement
28
Q

What do the basal ganglia/nuclei control?

A
  • habitual behaviors
  • bruxism: clenching of jaw
  • eye movements
29
Q

What may also be affected if basal ganglia/nuclei don’t work correctly?

A

corpus callosum cause it’s near it

30
Q

What does the limbic system control?

A
  • agression
  • emotion
  • fear
  • feeding
  • sex drives
  • facilitates memory storage and retrieval
31
Q

What does the limbic system control?

A
  • agression
  • emotion
  • fear
  • feeding
  • sex drives
  • facilitates memory storage and retrieval
32
Q

short term memory

A

seconds to mins

33
Q

long term memory

A
  • reflexive (implicit)

- declarative (explicit)

BIO 190 (4 decks)

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