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Clinical Neuroscience > 8. The Brainsem, Arousal, Sleep And Consciousness > Flashcards

8. The Brainsem, Arousal, Sleep And Consciousness Flashcards

1
Q

What is the reticular formation?

A

A population of specialised interneurones in the brainstem

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2
Q

What are the outputs of the reticular formation?

A

Thalamus
Hypothalamus
Basal forebrain nuclei
Spinal cord

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3
Q

How is muscle tone in most of the body lost during REM sleep?

A

Due to descending inhibition of LMNs by glycinergic fibres arising form the reticular formation and running down the reticulospinal tracts

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4
Q

List some disorders of consciousness

A

Brain death
Coma
Persistent vegetative state
Locked in syndrome

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5
Q

What is brain death?

A

Widespread cortical and brainstem damage

Flat EEG

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6
Q

What can locked in syndrome be caused by?

A

Basilar/pontine artery occlusion

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Clinical Neuroscience (17 decks)

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