Remember the movie “Inception,” when Leonardo DiCaprio enters people's dreams to interact with them? It may not be so farfetched. ScienceMagArchives
, Leonardo DiCaprio enters into other people's dreams to interact with them and steal secrets from their subconscious. Now, it seems this science fiction plot is one baby step closer to reality. For the first time, researchers have had"conversations" involving novel questions and math problems with lucid dreamers—people who are aware that they are dreaming.
Four independent teams in France, Germany, the Netherlands, and the United States tried to go further and establish complex two-way communication during dreams, using speech and asking questions the sleepers had never heard in their training. They recruited 36 volunteers, including some experienced lucid dreamers and others who had never experienced a lucid dream before but remembered at least one dream a week.
As the participants fell asleep, the scientists monitored their brain activity, eye movement, and facial muscle contractions—common indicators of REM sleep—with electroencephalogram helmets outfitted with electrodes. Out of a total of 57 sleeping sessions, six individuals signaled they were lucid dreaming in 15 of them. In those tests, researchers asked the dreamers simple yes or no questions or math problems, like eight minus six.
The experiment provides a better way to study dreams, says lead author Karen Konkoly, a cognitive neuroscientist at Northwestern University."Almost everything that's known about dreams has relied on retrospective reports given when the person is awake and these can be distorted." Konkoly hopes this technique could be used in the future therapeutically to influence people's dreams so they can better deal with trauma, anxiety, and depression.
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