States of Consciousness

States of Consciousness - States of Consciousness...

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States of Consciousness Consciousness Consciousness is the awareness people have of themselves and the environment around them. The level and state of consciousness vary. Different states of consciousness are associated with different brain wave patterns. Brain waves are tracings that show the kind of electrical activity going on in the brain. Scientists use an electroencephalograph, or EEG, to record these waves. The main types of brain waves are alpha , beta , theta , and delta . Sleep Types of biological rhythms include circadian , infradian , and ultradian rhythms . Endogenous biological rhythms originate from inside the body rather than from the outside environment. Biological clocks in the body regulate the sense of time. The suprachiasmatic nucleus regulates circadian rhythms of sleep. Different theories suggest that people sleep to conserve energy, stay safe from predators, or restore body tissues depleted during the day. Researchers use
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This note was uploaded on 01/23/2012 for the course PSY PSY2012 taught by Professor Scheff during the Winter '09 term at Broward College.

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States of Consciousness - States of Consciousness...

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