Intro to CNS anatomy Flashcards

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1
Q

What do the following primary brain vesicles develop into?
Prosencephalon
Mesencephalon
Rhombencephalon

A

Prosencephalon: Telencephalon and Diencephalon

Mesencephalon: Mesencephalon

Rhombencephalon: Metencephalon and Myelencephalon

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2
Q
What do these 5 secondary brain vesicles go onto form in the adult brain?
Telencephalon 
Diencephalon
Mesencephalon
Metencephalon 
Myelencephalon
A
Telencephalon - cerebral hemispheres
Diencephalon - thalamus and hypothalamus
Mesencephalon - Midbrain
Metencephalon  - Cerebellum and pons
Myelencephalon - Medulla
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3
Q

What is the corpus collosum?

A

White matter tract - links right and left hemispheres, intersects with corona radiata

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4
Q

What do the pre-central and post-central gyrus contain?

A

Pre-central gyrus - primary motor cortex

Post central gyrus - primary somatosensory cortex

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5
Q

What does the pre-frontal cortex control?

A

Emotional behavious, processes, decision making, flat personality, memory

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6
Q

What can result as an injury to the premotor and supplementary motor cortex?

A

Ideomotor apraxias - patient cannot act out a movement

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7
Q

In general, the left and right side of the brain, look after the opposite side of the body. However, what are some things which are side specific?

A

Left: Bilateral audio, speech, writing, language
Right: Bilateral audio, spatial recognition, facial recognition

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8
Q

What are association, commisural and projection fibres, what do they connect?

A
Association fibres (within a hemisphere)
Commisural fibres (between hemispheres)
Projection fibres (to brainstem/spinal cord)
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9
Q

What is Broca’s area involved in?

A

Production/ motor planning involved in speech

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10
Q

What is Wernicke’s area involved in?

A

Comprehension/ understand speech

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