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Chapter4.outline - Ch 4 Consciousness 1 States of...

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Ch 4: Consciousness 1. States of Consciousness i. William james: described consciousness as a stream of thoughts ii. Today’s view: b. Levels of awareness you are likely to experience during the course of the day. i. Focused awareness 1. heightened alertness in which one is fully absorbed in the task at hand ii. Drifting consciousness 1. state of awareness characterized by drifting thoughts or mental imagery iii. Divided consciousness 1. awareness characterized by divided attention to two or more tasks or activities performed at the same time. c. Unconsciousness i. Lack of awareness of one’s surroundings ii. Loss of consciousness iii. Sleeping and dreaming d. Altered states of consciousness i. States of awareness that differ from your usual waking state. ii. E.g. daydreaming, meditation, hypnosis drugs. 2. Circadian Rhythm a. Many body processes fluctuate on a daily basis b. Sleep-wake cycle is close to 24 hours in length i. Regulated by the suprachiasmatic nucleus in the hypothalamus c.
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