Dream Theories
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Freud's wish-fulfillment
Dreams provide a "psychic safety valve"—expressing otherwise unacceptable feelings; contain manifest (remembered) content and a deeper layer of latent content—a hidden meaning.
Activation-synthesis
REM sleep triggers neural activity that evokes random visual memories, which our sleeping brain weaves into stories
Physiological function
Regular brain stimulation from REM sleep may help develop and preserve neural pathways
Cognitive theory
Dream content reflects dreamers' cognitive development- their knowledge and understanding
Information-processing
Dreams help us sort out the day's events and consolidate our memories
