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Sleep Diagnosis and Therapy

Sleep Diagnosis and Therapy

Official Publication of the American Sleep and Breathing Academy

Sleepless and Forgetful? A Connection May Exist

July 25, 2014 by admin

 

Research findings published in Psychological Science suggest that sleep deprivation may increase susceptibility to false memories. According to a report in the University Herald, researchers found that sleep-deprived people who viewed photographs of a crime being committed, and then read false information about the photos were more likely to report remembering the false details in the photos than were those who got a full night’s sleep.

 

Researcher Steve Frenda noticed a gap in the literature when it came to sleep and memory. “Over the years I noticed that whenever I had a bad night’s sleep, my perception and memory seemed to get fuzzy until I had a good recovery sleep,” Frenda said in the Herald. “I was surprised to find that there were so few empirical studies connecting sleep deprivation with memory distortion in an eyewitness context. The studies that do exist look mostly at sleep deprived people’s ability to accurately remember lists of words-not real people, places and events.”

 

A preliminary study conducted by Frenda and colleagues suggested that getting 5 hours of sleep or less was associated with the formation of false memories. The researchers then designed an experiment to investigate whether pulling an all-nighter would increase the likelihood of forming false memories.

 

According Baulkman, researchers recruited more than 100 college-age participants and assigned them to one of four groups. Two groups were presented with a series of photos depicting a crime being committed as soon as they arrived to the lab – one group was then allowed to go to sleep, while the other group had to stay awake all night in the lab. The remaining two groups did things in the reverse order—they either slept or stayed awake all night and then viewed the crime photos in the morning.

 

“In the second part of the experiment, the participants read narratives containing statements that contradicted what the photographs actually showed,” writes Baulkman. “The researchers found that only those students who had been sleep deprived for all parts of the experiment – that is, they viewed the photos, read the narratives, and took the memory test after having stayed up all night – were more likely to report the false details from the text narrative as having been  present in the crime photos. The students who viewed the photos before staying up all night, however, were no more susceptible to false memories than the students who’d been allowed to sleep.”

 

Source: Psychological Science Journal

Filed Under: Articles, Blog

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SleepDT Sleep Diagnosis and Therapy is a clinical Journal for allied Sleep Professionals, Neurologists, Psychiatrists, Pulmonologists, Primary Care Physicians, and other medical specialists. We also advocate on behalf of patient care in the field of Sleep Medicine

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