Sleep Flashcards

1
Q

What is the cognitive outcome of treated obstructive sleep apnea

A

visual memory & exec fx significantly improve to normal, attention & WM remain impaired

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2
Q

Sleep apnea

A

A breathing disorder of temporarily stopped breathing caused by upper airway obstruction or a central disorder

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3
Q

Biggest decreases in blood flow to the brain during slow-wave sleep are seen in which brain areas?

A

Thalamic, midbrain, brainstem & cerebellum

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4
Q

Neurocognitive effects of sleep apnea

A

Impairments in attention & concentration, motor coordination, depression, ADHD symptoms Hypoxia may cause memory & EF deficits

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5
Q

Inadequate sleep primarily affects

A

Sustained attention/vigilance, coordination, emotional regulation, possible effects on memory retrieval, aspects of exec fx

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6
Q

Wakefulness is associated with what type of brain waves?

A

Alpha & Beta

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7
Q

Stage 2 sleep

A

Theta w/ K-complex & sleep spindles

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8
Q

Stage 1 sleep

A

Alpha, Theta, & Beta waves

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9
Q

Risk factors for obstructive sleep apnea

A

Smoking, ETOH, use of sedative meds, lying supine, sleep deprivation, medical conditions such as hypothyroidism & acromegaly

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10
Q

Stages 3-4 sleep

A

Delta waves

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11
Q

During which stages of sleep do parasomnias occur?

A

3 & 4

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12
Q

During REM sleep, what areas of the brain are most active?

A

Brainstem, midbrain, thalamus, BG, secondary & auditory cortex

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