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14 Cards in this Set
- Front
- Back
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What are examples of biological rhythms?
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Anual- geese migration, bears hibernate
28 days- menstruation 24 cycle- varying alertness, physiological state, and hormone secretion 90 minute cycle- Various stages of sleep occur in 90 minute cycles 24 hrs- |
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What are the 5 stages of sleep?
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1) Awake- Relaxed alpha waves
2) Stage 1 - Theta 3) Stage 2- Theta 4) Transitional- Delta 5) Dreams- REM sleep |
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How is sleep critical for brain development?
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Important for dendritic growth (synaptic connection) and LTP
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Why do teens sleep less?
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Psychosocial Behavioral changes (more hw, social opportunities)
Biological (Circadian Rhythm Shifts, Puberty) |
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What are some biological changes that influence sleeping patterns in adolescents?
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Circadian Rhythm
Puberty |
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Circadian rhythms are involved in...
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Timing of sleep
Timing of brain hormone release Body Temperature Regulation |
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The pineal gland when acted on by the ..... secretes ... which does what?
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Suprachiasmatic Nucleus
Melatonin Makes you sleepy |
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3 Reasons for the phase delay seen in adolescents?
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1) Circadian Rhythm Shift
2) Psychosocial Interactions (increased stress and anxiety) 3) Independence |
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4 common sleep disorders?
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Insomnia
Narcolepsy Sleep Apnea Night Terrors |
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What is the evidence that suggests that the phase delay is due to physiological reasons
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Delay in circadian rhythm seen in other species at puberty
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Ways to help insomnia?
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Reduce Sleep expectations
Reduce stimulants |
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The neurotransmitter (blank) is important for alertness. Mutations in the (blank) gene can cause (blank)
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orexin
hypocretin Narcolepsy |
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What were the three things measured in the Hom paper?
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Actigraphy (activity)
Self Reported Sleep Reward Processing during fMRI |
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Holm: Found that lower quantity and quality of sleep was associated with?
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Lower Caudate Activity
Which explains why sleep deprived teens take more risks |
