Psych020Chapter6(Consciousness)

Psych020Chapter6(Consciousness) - OUTLINE CHAPTER 6...

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Unformatted text preview: OUTLINE CHAPTER 6 Variations in Consciousness •Defining & Measuring Consciousness • Circadian Rhythms • Sleep ~ Professor Fazakas­DeHoog lfazakas@uwo.ca LEVELS OF CONSCIOUSNESS …….. AND THE PERSONALITY • PSYCHODYNAMIC PERSPECTIVE Neural Mapping of Freud’s Model of the Mind Frontal Cortex (SUPEREGO) Posterior Cortex (EGO) Brainstem/ Limbic System (ID) LEVELS OF CONSCIOUSNESS …….. • CARL JUNG EEG PATTERNS & STATES OF CONSCIOUSNESS Examples of circadian rhythms. Variation in sleep needs WHAT HAPPENS WHEN WE SUDDENLY ALTER OUR TIME SCHEDULE ? …. Circadian rhythms and jet lag Changes in sleep periods of a subject isolated from the day-night cycle. * Shift to 25 hour cycle. Retire for sleep later & later with each in isolation. Sleep Stages: Cycling Through Sleep EEG PATTERNS & WAKEFULNESS An overview of the cycle of sleep. Changes in sleep patterns over the life span. Brain Structures: (ARAS). • Ascending reticular activating system (arousal system) • Pons, medulla (hypnogenic system), Effect of sleep deprivation on cognitive performance Sleep problems and the cycle of sleep. Thoughts & emotions associated with insomnia. 3 THEORIES OF DREAMING • Increases release of neuro­ transmitter • Interferes with reuptake Amphetamines and neurotransmitters The “crash” after use of cocaine or amphetamines Neutral Area = Bodily homeostasis NORTH AMERICAN NON­PRESCRIPTION DRUG USE Inhalants ­ highest use in 8th Grade ~ 20% have used an inhalant previous year By Grade 12, reported Use in past year: Marijuana 48% Inhalant 11% Cocaine 9% LSD 5% ...
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Psych020Chapter6(Consciousness) - OUTLINE CHAPTER 6...

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