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Neurology Exam 2 > Ch. 5 Cerebral Cortex > Flashcards

Ch. 5 Cerebral Cortex Flashcards

1
Q

Association fibers

A

interconnects parts of same hemisphere

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2
Q

Commissural fibers

A

run between hemispheres

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3
Q

Projection fibers

A

Connect cortex with other areas of CNS

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4
Q

Corpus collosum

A

Connects two cerebral hemispheres

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5
Q

Internal capsule

A

-contains axons that connect cortex with thalamus/spinal cord
-Lesions here can impact entire cerbeal hemisphere

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6
Q

Broadman’s Map

A

cortex divided into regions (47 functional regions)

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7
Q

Frontal lobe function

A

thinking, problem solving, voluntary movement

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8
Q

5 areas of frontal lobe

A

Motor cortex, premotor cortex, supplementary motor area, broca’s area, prefrontal cortex

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9
Q

Motor cortex

A

Controls voluntary movement on opposite side of body

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10
Q

Premotor cortex

A

trunk function, proximal musculature, body part ownership

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11
Q

Supplementary motor cortex

A

motor planning, stores motor programs, directs activity of motor cortex

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12
Q

Broca’s area

A

Speech. Controls muscles of face, lip, tongue, larynx

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13
Q

Apraxia

A

Motor planning deficit

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14
Q

Expressive aphasisa

A

inability to produce speech, can still understand language, usually stroke patients

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15
Q

Prefrontal cortex 3 divisions

A

orbitofrontal cortex, dorsolateral frontal cortex, ventromedial frontal cortex

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16
Q

Orbitofrontal cortex

A

Impulse control, inhibition of inappropriate behavior, carrying out plans.

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17
Q

Dorsolateral frontal cortex

A

Analytical thinking, problem solving, planning, attention, focus, general intelligence

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18
Q

Ventromedial frontal cortex

A

Limbic system, connects emotion/thoughts, emotional meaning to life, experiences

19
Q

Prefrontal syndrome

A

damage of higher functioning processes of the brain such as motivation, planning, social behavior, and language/speech production

20
Q

Homunculus map- do areas that have more sensory reception have larger or smaller representation

A

Larger. The more receptors needed for sensation the larger representation on homunculus map. Hands, lips, tongue are the largest on the map.

21
Q

Somatosensory cortex

A

sensory perception/ processing area

22
Q

Somatosensory association area

A

interperts somatosensory info.
EX: Being able to recognize an object by touch
Disorders: Anoxeria, unilateral neglect, asterognosis

23
Q

Sterognosis

A

ability to recognize by touch
Ex: penny in pocket

24
Q

Patietemporal association cortex

A

abstract thought, reading, writing, mathematics, spatial perception

25
Q

Parietal lobe cortexs

A

somatosensory cortex, somatosensory assocation area, parietemporal assocation area

26
Q

Visual cortex

A

interprets meaning to visual info

27
Q

hemianopsia

A

damage to one side of visual cortex

28
Q

cortical blindness

A

damage to both sides of visual cortex

29
Q

visual agnosia

A

person can see but can not recognize objects

30
Q

Temporal lobe cortexs

A

auditory cortex, inferotemproal cortex

31
Q

Auditory cortex

A

sound produced in this area

32
Q

Wernick’s area

A

interprets language- written, verbal, sign language

33
Q

Receptive aphasia

A

Can’t understand any language. Happens in left sided CVA’s

34
Q

Inferotemproal cortex

A

recognation of faces, objects, colors. Damage here can cause propagnosia

35
Q

Propagnosia

A

inability to recognize people you know. Can occur with Alzheimer’s disease.

36
Q

What is the function of a cortex?

A

Interpert a sensation

37
Q

Olfactory cortex

A

smell

38
Q

Amygdala

A

involved with emotion- fear/anger

39
Q

Hippocampus

A

learning, long term memory

40
Q

Exercise causes hippocampus to…

A

grow

41
Q

Stress causes hippocampus to

A

shrink

42
Q

Anterograde amnesia

A

inability to form any new long term memories

43
Q

Retrograde amnesia

A

inability to remember any previous long term memories

44
Q

What does the cerebrum do

A

Largest part of brain. Areas within the cerebrum control muscle functions and also control speech, thought, emotions, reading, writing, and learning

Neurology Exam 2 (4 decks)

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