11)_Motivation_2_24

11)_Motivation_2_24 - 2/24/2011 From an evolutionary...

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1 From an evolutionary perspective, why sleep? A) For safety B) For recuperation from damage C) For passing on genetic material D) For a good way to spend leisure time 1 Announcements • Clicker grades for 1 st part of the course – posted on courseworks gradebook • Experiment Participation • Exams and Papers returned next Tuesday 2 Today’s Plan • Motivation – Regulatory Drives – Nonregulatory Drives – Motivation and Drug Use 3 Why sleep? – Recuperation • Restorative process • “Common sense” theory (face validity) • Little physiological evidence – Benefits of wakeful resting • Suggestive evidence? – Slow wave sleep deprivation b tiredness – REM deprivation b anxious/irritable 4 Why sleep? • Evolutionary arguments – Survival of the fittest? – Passing on genes – Producing reproductive offspring – For humans – think “hunter-gatherers” – Often post-hoc/difficult to test empirically • Empirical test • Example: sleep depends on protection and grazing needs – Difficult to hide? b
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This note was uploaded on 09/12/2011 for the course PSYC 1001 taught by Professor Lindemann during the Spring '11 term at Columbia College.

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11)_Motivation_2_24 - 2/24/2011 From an evolutionary...

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