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Sleep-09 - Waking Consciousness Consciousness our awareness...

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Waking Consciousness Consciousness our awareness of ourselves and our environments
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(annual)
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Light helps re-set the circadian clock (24 hr cycle)
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Measuring Sleep Activity *EEG: Electroencephalogram *
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Properties of Waves Fequency: Hertz (Hz) or cycles/second Amplitude: Voltage High frequency Low frequency High voltage Low voltage
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Awake & Alert During strong mental engagement brain exhibits low amplitude, fast, irregular beta waves (13 30 Hz or cps) . A person awake in conversation shows beta activity. Beta Waves Awake but Relaxed When eyes are closed, but the individual is awake, brain activity slows down to large amplitude, slow, regular alpha waves (8 12 Hz or cps) . A meditating person exhibits alpha brain activity.
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Beta waves Alpha waves Brain Waves and Sleep Stages Alpha Waves slow waves of a relaxed, awake brain Delta Waves large, slow waves of deep sleep Hallucinations false sensory experiences
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Stages of Sleep 1, 2 Drowsiness, pre- sleep “Hypnogogic” sensations: sensation of falling or floating;
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