States of Consciousnes7

States of Consciousnes7 - dramatically. Our level of...

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States of Consciousness Introduction When we sunbathe on a warm day, we notice sensations outside our body, such as the sun shining down, as well as sensations within our body, such as relaxed muscles. Beyond this basic awareness, we are also conscious of ourselves having these experiences. Psychologists define consciousness as the awareness we have of ourselves and our environment. Consciousness is not static: experiences constantly move in and out of our awareness as our states of mind and environments change. If we fall asleep while sunbathing, we may dream and experience thoughts, feelings, and unconscious desires that aren’t always present in our waking state. Drugs and alcohol can also alter consciousness. Alcohol makes us less conscious of our physical sensations and less inhibited, and drugs such as LSD can alter consciousness even more
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Unformatted text preview: dramatically. Our level of consciousness is, in many ways, both within and out of our control. Consciousness Consciousness is the awareness we have of ourselves and our environment. Different states of consciousness are associated with different patterns of brain waves. Brain waves are tracings of electrical activity that is going on in the brain. Scientists record brain waves using an electroencephalograph (EEG) , which monitors electrical activity through electrodes placed on the scalp. There are four main types of brain waves: alpha , beta , theta , and delta . Type of Brain Wave Corresponding Mental State Alpha Very relaxed or meditating Beta Awake and alert Theta Lightly asleep Delta Deeply asleep...
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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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