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16 Cards in this Set
- Front
- Back
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Suprachiasmatic nucleus
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an area of the brain containing a biological clock that governs circadian rhythms
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Melatonin
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a hormone secreted by the pineal glad; it is involved in the regulation of circadian rhythms
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Internal desynchronization
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a state in which biological rhythms are not in phase with one another
Seasonal affective disorder controversial disorder in which a person experience depression during the winter and an improvement of mood in the spring |
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Menstrual cycle
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cycle periodic maturation of an oocyte in the ovary, coupled with physical changes in uterus, once monthly over roughly a 30 yr. period.
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Alpha waves
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regular, slow rhythm and a high amplitude
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Endogenous
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generated from within
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Delta waves
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very slow waves with very high peaks
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Anabolic steroids
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illegal addicting drugs that help speed muscle growth, but have many bad, harmful side effects
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Lucid dreams
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a dream in which the dreamer is aware of dreams
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Withdrawal symptoms
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nausea and vomiting, abdominal cramping, muscle twitching, profuse perspiration, delirium, convulsions
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Infradian rhythm
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biological rhythm that occurs less than once a day
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REM sleep
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rapid eye movement sleep; a recurring sleep stage during which vivid dreams commonly occur.
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Circadian rhythm
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a physiological cycle of about 24 hours that is present in all eukaryotic organisms and that persists even in the absence of external cues
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Ultradian rhythm
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a biological rhythm ocurring more than once a day
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Opiates
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drug that relieve pain and commonly produce euphoria
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Psychedelic drugs
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alter consciousness, by disrupting the normal perception of time and space
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