Chapter 5 Outline - Alec Rubenstein - Consciousness

Chapter 5 Outline - Alec Rubenstein - Consciousness - ALEC...

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ALEC RUBENSTEIN Alec Rubenstein Chapter 5 – Variations in Consciousness 1. Consciousness is the awareness of internal and external stimuli a. Consciousness and Brain Activity a.i. Electroencephalograph (EEG) – measures electrical activity in the brain a.ii. Evolutionary Benefits 2. Biological Rhythms and Sleep a. Biological Rhythms – are periodic fluctuations in physiological functioning b. Circadian rhythms – 24-hour biological cycles found in humans and many other species b.i. Difficult to realign circadian rhythms 3. Sleep and Waking Cycle a. Devices a.i. Electromyograph (EMG) – records muscular activity and tension a.ii. Electrooculograph (EOG) – records eye movements a.iii. Electrocardiograph (EKG) – records contractions of the heart b. Stages 1-4 b.i. Stage 1 – Theta Waves b.ii. Stage 2 – Sleep spindles and mixed EEG activity b.iii. Slow-wave sleep – stage 3 and 4 sleep, more Delta waves b.iv. REM Sleep – low0voltage, high-frequency waves, deep stage of sleep
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This note was uploaded on 11/27/2011 for the course PSYC 101 taught by Professor Loeb during the Fall '08 term at UNC.

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Chapter 5 Outline - Alec Rubenstein - Consciousness - ALEC...

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