Psych 111 1st Edition Lecture 8Outline of Last Lecture I. Peripheral Nervous Systema. Somatic and automaticb. Sympathetic vs. parasympatheticII. Individual differencesa. Twin studiesb. Gene-environment interactionsIII. Natural selection and adaptationOutline of Current Lecture I. Consciousness II. SleepCurrent LectureConsciousnessI. The awareness of internal and external stimuli II. Dual processing a. Processing information both consciously and unconsciously III. Selective attentiona. Focusing of conscious awareness on particular stimulusIV. Inattentional Blindnessa. Failing to see visible object when attention directed elsewhere SleepI. Lots of misinformation exists about sleep and dreamsa. Required by our biologyb. Do not know specifically know why we do itc. Misinformation occurs because people are hungry for any info at alli. Unscrupulous people will make up things because people will pay for answers These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.II. Measuring activity during sleepa. Electroencephalograph (EEG)i. Monitors electrical activity of the brain over timeii. Summarizes activity as brain wavesIII. Stages of sleepa. Awakeb. Drowsyc. Rapid eye movement (REM)d. NREM-1e. NREM-2f. NREM-3IV. How Much Sleep??a. Declines with agei. Infants 14-16 hoursii. Elderly 4-6 hoursV. What if we don’t sleep??a. Sleep deprivationi. 41 million Americans (1/6)b. 10 million are so sleep deprivedi. Cannot remember what it’s like to not be sleep deprivedc. What happens if you don’t sleep?i. Hallucinationsii. Memory lossiii. Poor eating habits (increase metabolism! Used so much energy they die)iv. Poor critical thinkingv. Depression and anxietyvi. Death after so
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