-- Robert Preidt
FRIDAY, Feb. 21, 2014 (HealthDay News) -- People who often
remember their dreams have high levels of activity in certain areas
of the brain, a new study says.
Researchers led by Perrine Ruby, of the Lyon Neuroscience
Research Center in France, conducted brain scans on 41 people while
they were awake and while they slept. Of the participants, 21
remembered dreams an average of about five mornings per week ("high
dream recallers") and 20 remembered dreams only two mornings per
month ("low dream recallers").
When asleep and awake, the high dream recallers showed higher
levels of activity in the brain's medial prefrontal cortex and
temporo-parietal junction, which is an information-processing hub,
according to a news release from the French National Institute of
Health and Medical Research (INSERM).
The study was published online Feb. 19 in the journal
Previous research by the same team found that high dream
recallers have twice as many periods of wakefulness during the
night and that their brains react more to sounds while they're
sleeping and awake, compared to low dream recallers.
The increased brain activity in high dream recallers may cause
them to wake up more often during sleep and thereby improve their
recollection of dreams, Ruby said in the news release. She noted
that the "sleeping brain is not capable of memorizing new
information; it needs to awaken to be able to do that."
The researchers also said that high dream recallers may have
more dreams than low recallers and therefore more dreams to
The National Sleep Foundation has more about
dreams and sleep.
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