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level: Hobson and McCaely activation-synthesis theory of dreaming

Questions and Answers List

level questions: Hobson and McCaely activation-synthesis theory of dreaming

QuestionAnswer
What is movement inhibitation?Druing REM the body is prarlysed there is no movement
What is random activation?During REM sleep, nuerons are still active and randomly moving
What is REM sleep?This occurs 5 times each night, indicated dreaming is taking place
What is nuerons?In the brain pass messages using electrical and chemical transmitions
What is syntheis?Brain tries to make sense of random movemnts of the nuerons. this happens in a dream
What is sensory blockade?During REM sleep no information is coming in through the senses
What does this study say about dreaming?Its meaningless, REM sleep is jsut the brain trying to make sense of things
What happnes during REM with information and sense?No information coming into the brain and no outgoing movments are made by the bbody
What is activation-synthesis?The brain trying to make sense of the random activation of the brain by going this in a dream.
What is the synthesis part of the theory?Making sense of the nonsense by putting it into a story which is the dream
Strength of the theory?Supported by reserch in sleep labs of REM and muscles prarlysis
Strength of the theory?Objective date from EGGs, meausre electrical activity in the brain. This means its not open to interpreation.
Weakness of the theory?Used cats to test the theory, evidence is not generalised for human dreaming. Not in the target popluation
Weakness of the theory ?Dreams are often relatatble to what happens recently in everyday life. Suggests that the random firing of nuerons might have meaning. Relive something that happend that was traumatic and emotional.