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Chapter 9 Consciousness. What is Consciousness? Circadian Rhythms Sleep and Dreaming Attention / Altered Consciousness DRUGS!!!. What is Consciousness? Who Has it? How Do We Know?. ~24 hours Endogenous Zeitgeibers Free-Running. Circadian Rhythms. Circadian Rhythms.
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Chapter 9 Consciousness
What is Consciousness? • Circadian Rhythms • Sleep and Dreaming • Attention / Altered Consciousness • DRUGS!!!
~24 hours Endogenous Zeitgeibers Free-Running Circadian Rhythms
Disruptions in Rhythm & Seasonal Rhythms • Daylight Savings Time • Shift Work • Jet Lag • Seasonal Affective Disorder (SAD) • Seasonal Breeding
Sleep Stages • Awake • Beta Waves • Alpha Waves • NREM Sleep • REM Sleep
High brain activity Muscles inhibited Thalamus active DREAMING! What’s Happening in REM? REM Sleep NREM Sleep Awake
Sleeping Disorders • Insomnia • Onset • Maintenance • Termination • Narcolepsy • Apnea • Sleep Walking
Consciousness Altering Drugs • CNS Depressants • Alcohol • Benzodiazepines • Inhalants • CNS Stimulants • Cocaine, Meth, Ritalin • Nicotine • Caffeine • Hallucinogens • LSD • Marijuana • Ecstasy
How Drugs Work • Depressants • Alcohol, BZDs, Inhalants • Stimulants • Cocaine, Meth, Ritalin • DA and NE • Caffeine • Nicotine • Hallucinogens • LSD, Ecstasy • Serotonin • Marijuana
How Drugs Affect Us • Dependence • Physiological • Psychological (addiction) • Costs to Society • How they Help!