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NSB > 11. Forebrain, Third Ventricle, Related Structure and Cortex > Flashcards

11. Forebrain, Third Ventricle, Related Structure and Cortex Flashcards

1
Q

What makes up the telencephalon?

A

Cerebral hemispheres

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2
Q

What makes up the diencephalon?

A

Pineal gland
Thalamus
Hypothalamus

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3
Q

What is the name for the telencephalon and diencephalon combined?

A

Prosencephalon or forebrain

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4
Q

What do association fibres connect?

A

Sites within the same hemisphere

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5
Q

What do projection fibres connect?

A

Cerebral cortex to subcortical structures

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6
Q

What do commissural fibres connect?

A

One cerebral hemisphere to the other

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7
Q

What is the frontal lobe associated with?

A

Intelligence
Calculation
Rational

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8
Q

What is the temporal lobe associated with?

A

Articulation

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9
Q

What is the parietal lobe associated with?

A

Handwriting

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10
Q

What is the occipital lobe associated with?

A

Language

Comprehension

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11
Q

Where is Broca’s area?

A

Anterior inferior portion of frontal lobe

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12
Q

What does damage to Broca’s area cause?

A

Motor/non-fluent aphasia
Laboured speech, missing words
Aware of problem
Dysarthia and dysgraphia

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13
Q

Where is Wernicke’s area?

A

Posterior temporal lobe

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14
Q

What does damage to Wernicke’s area cause?

A 
Sensory/fluent aphasia
Auditory incomprehension
With large lesion, may lose ability to read
Confuse words
Unaware of problem
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15
Q

Which lobe is the anterior horn of the lateral ventricles in?

A

Frontal

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16
Q

Which lobe is the body of the lateral ventricles in?

A

Parietal

17
Q

Which lobe is the inferior horn of the lateral ventricles in?

A

Temporal

18
Q

Which lobe is the posterior horn of the lateral ventricles in?

A

Occipital

19
Q

What separates the 2 lateral ventricles?

A

Septum pellucidum

20
Q

Which meningeal layer is the choroid plexus found in?

A

Pia mater

21
Q

What is anterior to the third ventricle?

A

Lamina terminalis

22
Q

What is in the floor of the third ventricle?

A

Optic chiasma
Infundibulum
Mamillary bodies

23
Q

What is the position of the pineal gland?

A

In epithalamus above superior colliculus

24
Q

What does the pineal gland secrete?

A

Melatonin

25
Q

What connects the thalami in the midline?

A

Interthalamic adhesion

26
Q

What is the posterior pole of the thalamus also known as?

A

Pulvinar

27
Q

What part of the thalamus is used to relay visual information?

A

Lateral geniculate body

28
Q

What type of information is relayed from the medial geniculate body?

A

Auditory

29
Q

What is a sign of thalamic lesion?

A

Contralateral hemianaesthesia

30
Q

Which cranial nerves carry special sensory information?

A

1 Smell
2 Vision
7 and 9 Taste
8 Hearing and Balance

NSB (22 decks)

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