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posted by martyb on Wednesday June 09, @08:26AM   Printer-friendly
from the perchance-to-dream dept.

Study finds novel evidence that dreams reflect multiple memories, anticipate future events:

Dreams result from a process that often combines fragments of multiple life experiences and anticipates future events, according to novel evidence from a new study.

Results show that 53.5% of dreams were traced to a memory, and nearly 50% of reports with a memory source were connected to multiple past experiences. The study also found that 25.7% of dreams were related to specific impending events, and 37.4% of dreams with a future event source were additionally related to one or more specific memories of past experiences. Future-oriented dreams became proportionally more common later in the night.

"Humans have struggled to understand the meaning of dreams for millennia," said principal investigator Erin Wamsley, who has a doctorate in cognitive neuroscience and is an associate professor in the department of psychology and program in neuroscience at Furman University in Greenville, South Carolina. "We present new evidence that dreams reflect a memory-processing function. Although it has long been known that dreams incorporate fragments of past experience, our data suggest that dreams also anticipate probable future events."

According to Wamsley, the proportional increase of future-oriented dreams later in the night may be driven by temporal proximity to the upcoming events. While these dreams rarely depict future events realistically, the activation and recombination of future-relevant memory fragments may nonetheless serve an adaptive function.

Journal Reference:
Wamsley, Erin. 034 Dreaming as Constructive Episodic Future Simulation, Sleep (DOI: 10.1093/sleep/zsab072.033)


Original Submission

 
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  • (Score: 2) by looorg on Wednesday June 09, @11:33AM (1 child)

    by looorg (578) on Wednesday June 09, @11:33AM (#1143488)

    We are the creators/dreamers of our own parallel universes then? Also I don't want to know what nightmares are then if they are the anticipated outcome for future events. Brain be on drugs or something.

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  • (Score: 2, Interesting) by Anonymous Coward on Wednesday June 09, @12:26PM

    by Anonymous Coward on Wednesday June 09, @12:26PM (#1143496)

    I don't want to know what nightmares are then

    Are you sure? Nightmares have long been understood to be a result of subconscious anxieties - a mental rehearsal. I had terrible nightmares as a child and would frequently, through fear, switch into a lucid dream state to take control of the outcome. I'd like to see a study on potential correlation between those who failed to do this and those who suffered from anxiety and / or depressive learned helplessness later in life.