Lucid dream movements translate from real life

Whether we’re falling or flying, dancing or driving, moving in our dreams feels very real to us at the time. And our brains, it seems, agree. By imaging the brains of sleeping subjects, researchers have found that when we move in our dreams, our brains fire in the same pattern as when we move in the real world.

Because we tend to forget our dreams as soon as we wake up, researchers know little about how our minds create them. Neuroscientists Martin Dresler and Michael Czisch, both of the Max Planck Institute of Psychiatry in Munich, Germany, and their colleagues wanted to find a way to use brain-imaging techniques to watch what people were doing in their dreams. To interpret these images of the dreaming brain, however, they would first have to know how the brain looks when it is performing a certain task in the dream — a difficult challenge because most dreamers can’t control what they’re doing.

Very rarely, however, dreamers experience a phenomenon known as lucid dreaming, in which a sleeper is aware that he or she is dreaming and has some level of control over actions in the dream. “About half of people have had a lucid dream, Dresler says, but “very few have them on a regular basis.” Certain people can learn to dream lucidly more often. The training involves techniques such as writing down dreams and committing to remember that you’re dreaming when you see a certain theme, such as a flying cow…

Dresler and Czisch recruited six people who had been trained in lucid dreaming, instructed them to dream that they were clenching either their left or their right hand, and then let them fall asleep in a brain scanner…Only two of the subjects were able to have lucid dreams in the noisy scanners. But in each of them, one in fMRI and one in NIRS, the researchers saw the area of the motor cortex that controls the left hand light up in the same way as in someone who was awake. The subjects were able to perform the task in two different dreams each…That suggests that “dreams are not just represented as a visual scene” like watching a movie, Dresler says, but involve the whole body…

It’s a very impressive work,” Daniel Erlacher says, particularly given the difficulty of getting someone to dream lucidly in a noisy scanner. To strengthen their findings, the authors plan to recruit more lucid dreamers to determine whether the brain responds similarly in everyone. And they hope to find out what happens when their dreamers perform more complex tasks such as walking, speaking, or even flying, which would help researchers interpret dreams and understand how and why the mind creates them.

Bravo! I know it’s self-evident; but, the more we know about how the brain processes information, decisions – the more we know about ourselves as individuals.

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