dream

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dream,

mental activity associated with the rapid-eye-movement (REM) period of sleep. It is commonly made up of a number of visual images, scenes or thoughts expressed in terms of seeing rather than in those of the other senses or in words. Electroencephalograph studies, measuring the electrical activity of the brain during REM sleep, have shown that young adults dream for 1 1-2 to 2 hours of every 8-hour period of sleep. Infants spend an average of 50% of their sleep in the REM phase (they are believed to dream more often than adults) a figure which decreases steadily with age. During dreams, blood pressure and heart rate increase, and breathing is quickened, but the body is otherwise immobile. Studies have shown that sleepers deprived of dream-sleep are likely to become irritable and lose coordination skills. Unusually frightening dreams are called nightmares, and daydreams are constructed fantasies that occur while the individual is awake. Studies have demonstrated the existence of lucid dreaming, where the individual is aware that he is dreaming and has a degree of control over his dream.

Sigmund FreudFreud, Sigmund
, 1856–1939, Austrian psychiatrist, founder of psychoanalysis. Born in Moravia, he lived most of his life in Vienna, receiving his medical degree from the Univ. of Vienna in 1881.

His medical career began with an apprenticeship (1885–86) under J.
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, in his pioneering work The Interpretation of Dreams (1900, tr. 1913), was one of the first to emphasize dreams as keys to the unconscious. He distinguished the manifest content of dreams—the dream as it is recalled by the individual—from the latent content or the meaning of the dream, which Freud saw in terms of wish fulfillment. C. G. JungJung, Carl Gustav
, 1875–1961, Swiss psychiatrist, founder of analytical psychology. The son of a country pastor, he studied at Basel (1895–1900) and Zürich (M.D., 1902).
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 held that dreams function to reveal the unconscious mind, anticipate future events, and give expression to neglected areas of the dreamer's personality. Another theory, which PET scan studies appear to support, suggests that dreams are a result of electrical energy that stimulates memories located in various regions of the brain.

Bibliography

See J. A. Hobson, The Dreaming Brain (1988); M.-L. von Franz, Dreams (1991).

dream

[drēm]
(psychology)
An involuntary series of visual, auditory, or kinesthetic images, emotions, and thoughts occurring in the mind during sleep or a sleeplike state, which take the form of a sequence of events or of a story, having a feeling of reality but totally lacking a feeling of free will.

dream

1. 
a. mental activity, usually in the form of an imagined series of events, occurring during certain phases of sleep
b. (as modifier): a dream sequence
2. 
a. a sequence of imaginative thoughts indulged in while awake; daydream; fantasy
b. (as modifier): a dream world
References in classic literature ?
I followed them dreamily, and was hardly alive to what occurred till they had all gone up to the gallery, leaving me below; for I refused to come within sight of another picture that day.
She was not looking at the sculpture, probably not thinking of it: her large eyes were fixed dreamily on a streak of sunlight which fell across the floor.
I suppose it sprang years ago from some chance-sown seed," said Anne dreamily.
It was beautiful," he repeated dreamily, a minute later.
A bell was ringing from the tower of a little white church on the far side; mellowly and dreamily sweet, the chime floated across the water blent with the moan of the sea.
The Unicorn looked dreamily at Alice, and said 'Talk, child.
These thoughts strayed dreamily through the mind of Prince Michael, as he smiled under the stubble of his polychromatic beard.
Best of all, perhaps, he loved to lie near the fire, hind legs crouched under him, fore legs stretched out in front, head raised, and eyes blinking dreamily at the flames.
Sometimes as he crouched there, blinking dreamily at the flames, it seemed that the flames were of another fire, and that as he crouched by this other fire he saw another and different man from the half-breed cook before him.
Dolly looked dreamily away beyond her sister-in-law as she listened to her words.
To come out of the twilight of pillars and arches--dreamily dotted with winking lamps, dreamily peopled with ugly old shadows piously dozing, spitting, and begging--was to plunge into a fiery river, and swim for life to the nearest strip of shade.
By the end of his school career, Carwyn had begun playing in senior football and was already a good cricketer, playing for Tumble where he is remembered dreamily making stylish strokes at the non-striking end of the wicket.