Consciousness awareness of ourselves internal and our environment external Conscious processing is sequential slow and voluntary Unconscious processing simultaneous fast and automatic Selective Attention Bombarded with information mostly unconscious 11 000 000 bits of info a second Focus consciously only on certain things about 40 of these Selective attention focusing on conscious awareness on particular stimuli cid 127 Mindfulness Training non religious training the brain to focus on present hone in selective attention faster and efficient change in selective attention what you think about choose to attend to EXPANDS The Body s Clock Circadian Rhythm 24 hour biological clock Controlled in the hypothalamus Sleep Cycles About every 90 minutes 70 120 minutes we complete a sleep cycle Stage 1 characterized by fantastic images resembling hallucinations Sudden jerks Stage 2 About 20 minutes after Stage 1 cid 127 most of our sleep talk may sleep talk Stage 3 just a quick transitional stage Stage 4 About 30 minutes very hard to wake up early in night near the end of stage 4 is when children wet the beds when people sleep walk REM Sleep about an hour after you first fall asleep in stage 4 go back up through stage 3 and 2 enter REM Rapid Eye Movement eyes dart around behind your lids Vivid dreaming emotional story like and hallucinatory Sexual arousal physical Relaxed muscles brainstem blocks messages from your motor cortex Hard to wake Dreams Activation Synthesis Model common theory of dream cid 127 Modern theories with scientific support Underworked brain random firing cid 127 Making sense of sensation Telling a story to integrate random firing and proprioceptive feedback Everybody every night All stages of sleep 4 5 per night lasting 40 minutes typically depict ordinary events cid 127 mostly in color lots of negative emotions common themes How much sleep cid 127 On average 8 hours Pilcher and Walters 1997 IV Experimental group stayed up all night in lab Control group Went home to get 8 hours of sleep Ps take test and rate themselves DV Cognitive performance actual Cognitive performance self perceived common themes for dreams of college students falling trying school sex attacked Research question What are the effects of sleep deprivation on students cognitive performance cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 DV Actual cognitive performance control group higher DV Self perceived cognitive performance experimental group higher Sleep Deprivation Impaired reactions Impaired performance Suppressed immune responses cid 127 More vulnerable to obesity cid 127 Why sleep Roles of sleep Protective Recuperation Remembering cid 127 Growth Performance psychological status and mood improve with increased sleep cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127
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