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Nov%2030%20Slides - Introduction to the Study of Psychology...

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Introduction to the Study of Psychology PSYC1001 November 30, 2009
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Goals for today’s class… Chapter 5: Consciousness Sleep Functions States Mechanisms Dreams Altered States of Consciousness Hypnosis Drugs Addiction
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From the text… What are the states of consciousness? Is consciousness related to brain functioning? What is the nature and function of sleep? What occurs during each of the stages of sleep? How can sleep be disturbed? What are the nature and function of dreams? What is hypnosis? How does it work? What are the different theories of hypnosis? How can we use hypnosis? How might consciousness be altered (i.e. drugs)? What are the uses and types of drugs that affect consciousness? What is addiction?
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States of Consciousness Consciousness – “awareness” (of our external and internal environments) Unconscious Freud – most of our thoughts are out of our awareness (thoughts, desires, emotions that may be unacceptable to our conscious mind) Medical – our consciousness has been interrupted by some medical condition/trauma – but the body may still show some level of reactivity
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States of Consciousness Subconscious Awareness – activity and processing that are just beneath the surface of our awareness (dreams, automatic processes) Primary Awareness Uncontrolled Awareness – daydreaming (letting your mind wander), & automatic processing requiring minimal attention (i.e. riding a bike) Controlled Awareness – where your conscious attention is focused (focusing your attention)
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States of Consciousness Self-Awareness – “metacognition” – thinking about your own thinking processes Altered States of Awareness – any mental state that is different from normal (due to fatigue, drugs, trauma, hypnosis, etc.)
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Sleep Sleep – during sleep we are not unconscious, we are in a state of “altered” consciousness. Given that sleep is almost universal in the animal kingdom, it must therefore serve some useful function. During sleep, we are at risk of predation. Does sleep serve a physical recuperation function or a mental recuperation function?
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Function of Sleep Physical Recuperation Is sleep necessary in order to repair the strain put on the body from the day’s activities? Giant sloth – sleeps 20 hours per day People – the number of hours per day exercising does not impact need for sleep The body does go through hormonal cycles during the sleep-wake cycle Thus, although sleep might be necessary, the body does appear capable of functioning when sleep deprived
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Function of Sleep Mental Recuperation Does the brain need a period of “rest” in order to recuperate from the day’s mental activities? Different people have different sleep needs
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This note was uploaded on 12/24/2009 for the course PSYC 1001 taught by Professor Chrismotz during the Fall '09 term at Carleton CA.

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Nov%2030%20Slides - Introduction to the Study of Psychology...

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