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Spacing out after staying up late? Here ’s why
Ever sleep poorly and then walk out of the house without your keys? Or space out while driving to work and nearly hit a stalled car?A new study led by UCLA ’sDr. Itzhak Fried is the first to reveal how sleep deprivation disrupts brain cells ’ ability to communicate with each other. Fried and his colleagues believe that disruption leads to temporary mental lapses that affect memory and visual perception. Their findings are published online today by Nature Medicine.“We discovered that starving the body of sleep also robs neurons of the ability to function properly,” said Fried, the study’s senior author, a profess...
Source: UCLA Newsroom: Health Sciences - November 6, 2017 Category: Universities & Medical Training Source Type: news

UCLA–Tel Aviv study suggests REM sleep helps the brain capture snapshots of dream images
When we sleep, we experience our most vivid dreams and vigorous brain activity during the rapid eye movement, or REM phase. Although scientists have long suspected that our eyes flicker in response to what our unconscious mind sees in our dreams, no one has been able to prove it.  Now, an international team of researchers led by UCLA’s Dr. Itzhak Fried is the first to demonstrate that during dreams, our eyes and brains respond similarly to how they react to images when we’re awake. Published in the Aug. 11 online edition of Nature Communications, the findings offer a rare glimpse into the working of individual brain...
Source: UCLA Newsroom: Health Sciences - August 12, 2015 Category: Universities & Medical Training Source Type: news