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Cortex Neuro > Neuro-oncology > Flashcards

Neuro-oncology Flashcards

1
Q

Where does the cerebrum originate from (embryologically)

A

Telencephalon

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2
Q

What are the 6 lobes of the cerebral hemispheres

A 
Frontal
Parietal
Temporal
Occipital 
Insular 
Limbic
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3
Q

What does the precentral gyrus contain

frontal

A

Primary motor area

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4
Q

What does the middle frontal gyrus contain

frontal

A

frontal eye fields which control contralateral voluntary eye movements

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5
Q

what does the inferior frontal gyrus contain

(frontal

A

Broca speech area

  • language production
  • causes expressive dysphasia
  • patient comprehends words but can’t form sentences
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6
Q

What does the post central gyrus contain

parietal

A

contains the primary somatosensory area

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7
Q

What does the inferior parietal lobe

parietal

A

damage to this area causes normal aphasia

- problems recalling words, names and numbers

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8
Q

What does the superior temporal gyrus contain

temporal

A

auditory area
contains Wernicke’s speech area
-causes receptive dysphasia
- problems processing information rather than producing words

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9
Q

What does the occipital lobe contain

A

visual cortex

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10
Q

What functions does the limbic system have

A

higher emotional functions

major component of memory system

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11
Q

Where does the cerebellum originate embryologically

A

Metencephalon

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12
Q

What re the 3 functional components of the cerebellum

A

Vestibulocerebellum
Spinocerebellum
Cerebrocerebellum

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13
Q

What is the function of the vestibulocerebellum

A

maintains balance and coordinates vestibule-ocular reflexes

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14
Q

What is the function of the Spinocerebellum

A

maintains muscle tone

posture and gait

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15
Q

What is the function of the Cerebrocerebellum

A

coordination of voluntary motor activity

corrects any errors in movement so occur smoothly

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16
Q

What does the acronym DANISH stand for

A 
Dysdiadochokinesia 
Atiaxia 
Nystagmus 
Intention tremor 
Scanning Dysarthria 
Hypotonia
17
Q

What is Dysdiadochokinesia

A

impairment of rapid alternating movements

- alternating pronation and supination of the hand

18
Q

Which 3 structures are embryologically derived from the Diencephalon

A

Thalamus
Hypothalamus
Subthalamus

19
Q

What does a thalamic infarction cause?

A

hemiparesis
spontaneous pain
hemichorea
severe impairment of consciousness

20
Q

What is the general function of the thalamus

A

Relay centre

21
Q

Which 3 systems does the hypothalamus influence

A

Autonomic NS
Endocrine system
Limbic system

22
Q

What do lesions of the sub thalamus cause

A

Contralateral hemiballism

23
Q

Which structures are contained in the basal ganglia

A

Caudate Nucleus
Putamen
Globus Apllidus

24
Q

What main function does the basal ganglia have

A

excitatory or inhibitory effects on motor cortex

25
Q

What are 2 common diseases of the basal ganglia

A

Parkinsons
(deficiency of movement)
Huntingtons
(excessive movement)

26
Q

What is the structure called which divides the cerebellar hemispheres

A

Vermis

27
Q

What are the 3 components of the Cerebellum

A

Vestibulocerebellum
Spinocerebellum
Cerebrocerebellum

28
Q

What does the vestibulocerebellum do

A

balance and coordinates ocular reflexes

29
Q

What is the function of the spinocerebellum

A

maintains muscle tone

participates in posture and gait

30
Q

What is the function of the cerebrocerebellum

A

coordinates voluntary motor activity

ensure moments are executed smoothly

31
Q

Cerebellar dysfunction acronym

A

DANISH

Dysdiadochokinesia
Ataxia
Nystagmus 
Intention tremor 
Scanning Dysarthria 
Hypotonia
32
Q

what is Dysdiadochokinesia

A

impairment of rapid alternating movements

33
Q

which structures are derived from the Diencephalon

A

Thalamus
Hypothalamus
Subthalamus
Epithalamus

Cortex Neuro (5 decks)

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