Ch 13 the Central Nervous System - Cerebrum Anatomy Flashcards

1
Q

functional areas of cerebral cortex

A

sensory areas, association areas, motor areas

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2
Q

motor areas of cerebral cortex

A

primary (somatic) motor cortex, premotor cortex, Broca’s area, frontal eye field

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3
Q

primary motor cortex

A

allows conscious control of precise, skilled, voluntary movements
signals muscle

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4
Q

motor humunculus

A

caricature of location and relative amounts of cortical tissue devoted to each motor function

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5
Q

premotor cortex

A

controls learned, repetitious, or patterned motor skills
involved in planning of movements

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6
Q

Broca’s area

A

motor speech areas that directs mucles of the tongue
is active as one prepares to speak
logical expansion of the motor humunculus for mouth muscles

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7
Q

frontal eye field

A

controls voluntary eye movement
logical expansion of the motor humunculus for hand movement (hand eye coordination)

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8
Q

sensory areas

A

primary somatosensory cortex
somatosensory association cortex
visual and auditory areas
olfactory, gustatory, and vestibular cortices

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9
Q

primary somatosensory cortex

A

receives information from the skin and skeletal muscles
exhibits spatial discrimination

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10
Q

somatosensory humunculus

A

caricature of relative amounts of cortical tissue devoted to each sensory function

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11
Q

somatosensory association cortex

A

integrates sensory information
forms comprehensive understanding of the stimulus
determines size, texture, and relationship of parts

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12
Q

visual areas

A

primary visual cortex - simple interpretation
visual association areas - interprets visual stimuli
analog vs 4k

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13
Q

auditory areas

A

primary auditory cortex - pitch, rhythm, volume
auditory association area - stores memory of sounds and permits perception of sounds. lets music affect moods

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14
Q

association areas

A

prefrontal cortex
language areas
general (common) interpretation area
visceral association area

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15
Q

prefrontal cortex

A

responsible for planning, complex idea, behaviors, concentration, ability to focus, emotional traits, judgement, inhibition
closely linked to limbic system

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16
Q

language areas

A

Wernicke’s - involved in sounding out unfamiliar words
Broca’s - speech preparation and production

17
Q

general (common) interpretation area

A

found in one hemisphere, usually the left
integrates incoming signals into complex thought
involves in processing spatial relationships (outside world, one’s body, even sentence structure)

18
Q

visceral association area

A

involved in conscious perception of visceral sensations
habits