According to the _____, during REM sleep brain cells are activated that normally control eye movement, balance, and actions, but messages from these cells are blocked from reaching the body, so no movement occurs.In order to interpret this information, the brain searches through stored memories and manufactures a dream.

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The description given matches the activation-synthesis hypothesis, which suggests that random neural activity during REM sleep produces dream imagery that the brain then tries to make sense of by creating a narrative based on stored memories. This theory also suggests that the lack of muscle paralysis during REM sleep is due to messages from motor control cells being blocked from reaching the body.

According to the _____, During REM Sleep Brain Cells Are