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Unit 3

Across
(2 words) Biological rhythms with a 24 hour cycle
This can produce varied reactions, from mild euphoria to sleepiness
(2 words) Periodic, more or less regular fluctuations in a biological system; may or may not have psychological implications
(2 words) These detect light and let the suprachiasmatic nucleus know if it is day or night
Sudden and unpredictable daytime attacks of sleepiness or lapses into REM sleep
True or False: Scientists have been unable to reach a consensus on why we dream
These disrupt normal thought processes
Down
(3 words) Which theory says dreams are the same kind of activity we engage in while awake, but the brain is cut off from external stimulation
A procedure in which the practitioner suggests changes in the sensations, perceptions, thoughts, feelings, or behavior of the subject
Awareness of oneself and the environment
These speed up activity in the CNS