What is going on in the brain during lucid dreaming?


It is not clear what is happening in the brain during lucid dreaming. Dr. Matthew Walker, director of a sleep lab at Berkeley, believes the lateral prefrontal cortex, which is a part of the brain that deals with logic, may be responsible for lucid dreaming.

During REM sleep, the lateral prefrontal cortex is supposed to be "asleep," but it is possible that it awakens so that both dreaming and logic are working simultaneously, enabling the dreamer to realize that the dream is a dream.

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