Sleep What is sleep? - absence of behavior - a special type of behavior.

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Presentation transcript:

Sleep What is sleep? - absence of behavior - a special type of behavior

Alpha hz Beta hz Theta hz Delta - < 3.5 hz Sleep Spindles hz K complex - sharp slow wave forms

Sleep Adaptive Response - stay alive if you hide at night - save energy other times Restorative Process - repair - cool

Sleep - Structures -reticular formation - stimulate = arousal -basal forebrain - -Raphe Nuclei - 5-HT - stim causes arosal -Pons - big player in REM

REM Sleep Why? - Memories consolidated, useless info flushed -Modifies neural circuits (take them offline) -(children sleep a lot)

Sleep Disorders Insomnia vs. Hypersomnia Sleep Apnea - stop breathing (SIDS?) Myoclonus - muscle jerks (restless legs) Narcolepsy - in appropriate sleep Cataplexy - lose muscle control Sleep paralysis - REM without atonia - act out dreams Slow wave Sleep (not dreaming) - bed wetting, sleep walking, night terrors,

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