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?

17
Q

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

18
Q

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

19
Q

What separates the 2 lateral ventricles?

A

Septum pellucidum

20
Q

Which meningeal layer is the choroid plexus found in?

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?

25
What connects the thalami in the midline?
Interthalamic adhesion
26
What is the posterior pole of the thalamus also known as?
Pulvinar
27
What part of the thalamus is used to relay visual information?
Lateral geniculate body
28
What type of information is relayed from the medial geniculate body?
Auditory
29
What is a sign of thalamic lesion?
Contralateral hemianaesthesia
30
Which cranial nerves carry special sensory information?
1 Smell 2 Vision 7 and 9 Taste 8 Hearing and Balance