PSYC 100A Lecture Notes - Lecture 8: Creative Commons, Non-Rapid Eye Movement Sleep, Sigmund Freud
4 Jul 2016
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Can occur during both rem and n-rem (less frequent) sleep. Rem state ranges from 5 to 60 minutes; gets longer as cycle progresses. Appear to have an important function as evidenced by: time spent in rem sleep, phenomenon of rem rebound, problems associated with rem deprivation. Why do we dream? theories: wish ful llment: Sigmund freud suggested that dreams proceed a psychic safety valve to discharge unacceptable feelings and/or allow us to remember. Freud"s dreams contained > manifest content (narrative of the dream) , latent content (symbolism of the dream: information processing: Dreams may help sift, sort, and x a day"s experiences in our memories: physiological function: Dreams provide the sleeping brain with periodic stimulation to develop and preserve neural pathways. Neural networks of newborns are quickly developing; therefore, they need more sleep: activation synthesis theory: Suggest that the brain engages in a lot of random neural activity. Dreams make sense of this activity: cognitive development:
