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Unit 5
States of Consciousness
| Term | Definition |
|---|---|
| Circadian Rhythm | A consistent pattern of body activities usually lasting from twenty-four to twenty-five hours and determined by an internal biological clock. |
| Rapid Eye Movements (REM) | A behavioral sign of the phase of sleep during which the sleeper is likely to be experiencing dreamlike mental activity. |
| Non-REM sleep | The period during which a sleeper does not show rapid eye movemen; characterized by less dream activity than REM sleep. |
| Narcolepsy | A sleep disorder characterized by an irresistible compulsion to sleep during the daytime. |
| Sleep apnea | A sleep disorder of the upper respiratory system that causes the person to stop breathing while asleep. |
| Latent Content | In Freudian dream analysis, the hidden meaning of a dream. |
| Manifest Content | In Freudian dream analysis, the surface content of a dream, which is assumed to mask the dream's actual meaning. |
| Hypnosis | An altered state of awareness characterized by deep relaxation, susceptibility to suggestions, and changes in perception, memory, motivation, and self control. |
| Meditation | A form of consciousness alteration designed to enhance self-knowledge and well-being through reduced self awareness. |
| Hallucinations | False perceptions that occur in the absence of objective stimulation. |
| Psychoactive drugs | Chemicals that affect mental processes and behavior by temporarily changing conscious awareness of reality. |
| Physiological dependence | The psychological need or craving for a drug. |
| Consciousness | The process by which the brain creates a model of internal and external experience. |
| Nonconscious process | Any brain process that does not involve conscious processing including both preconscious memories and unconscious processes. |
| Activation-synthesis theory | The theory that dreams begin with random electical activation coming from the brain stem. |
| Insomnia | The most common of sleep disorders-involving insufficient sleep, the inabilty to fall asleepquickly, frequent arousals, or early awakenings. |
| Daydreaming | A common (and quite normal) variation of consciousness in which attention shifts to memories, expectations, desires, or fantasies and away from the immediate situation. |
| Sleep paralysis | A condition in which a sleeper is unable to move any of the voluntary muscles, except those controlling the eyes. |
| Night terrors | Deep sleep episodes that seem to produce terror. |
| Preconscious memories | Information that is not currently in consciousness but can be recalled to consciousness voluntarily or after something calls attention to them. |
| Id | Is based on our pleasure principle. |
| Ego | Is based on the reality principle. |
| Super Ego | Is the moral part of us and develops due to the morals and ethics of our parents. |
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Mr.Knock
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