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citizenry who incline to remember their dreams also answer more powerfully than others to hearing their name when they ’re awake , Modern research paint a picture .
Everyone dreams during sleep , but not everyone recalls the mental risky venture the next day , and scientists are n’t trusted why some people call back more than others .
What is the difference between people who always recall their dreams and those who rarely do?
To see out , researchers used electroencephalography to record the electrical activeness in the genius of 36 people while the participants listened to background tunes , and occasionally heard their own first name . The brain measurements were take during wakefulness and quietus . one-half of the player were called high recallers , because they reportedremembering their dreamsalmost every 24-hour interval , whereas the other one-half , scummy recallers , said they only remember their dreams once or twice a month .
When asleep , both groups showed interchangeable changes in brain action in response to hearing their names , which were played quietly enough not to inflame them .
However , when alert , eminent recallers read a more free burning decrease in abrain wavecalled the alpha undulation when they heard their names , compared with the crushed recallers .
" It was quite surprising to see a difference between the groups during wakefulness , " say study researcher Perrine Ruby , neuroscientist at Lyon Neuroscience Research Center in France .
The difference could reflect variations in the mind of high and low recallers that could have a office in how they dream , too , Ruby said . [ 7 Mind - Bending Facts About Dreams ]
Who remembers their dream
A well - plant theory suggest that a decrease in the alpha wafture is a sign that brain realm are being bottle up from responding to outside input . Studies show that when people hear a sudden sound or open up their eye , and more mind regions become combat-ready , the alpha wave is reduced .
In the study , as predicted , both groups showed a decrease in the alpha wave when they heard their name while alert . But eminent recallers showed a more prolonged decrease , which may be a sign their genius became more widely activated when they heard their names .
In other words , high recallers may engage more brain regions whenprocessing soundswhile awake , compare with crushed recallers , the researchers said . While people are asleep , the alpha undulation behaves in the opposite way — it increase when a sudden audio is find out . Scientists are n’t sure why this materialise , but one melodic theme is that it protects the brain from being interrupt by sounds during eternal rest , Ruby articulate .
Indeed , the written report participant show an increase in the alpha waving in reception to sounds during sleep , and there was no difference between the group .
One possibility to excuse the lack of divergence , the researchers said , could be that perhaps gamey recallers had a larger increase in alpha waves , but it was so high that they inflame up .
Time spent alert , during the night
The researchers check that gamy recallersawoke more frequently during the night . They were awake , on average , for 30 min during the dark , whereas low recallers were awake for 14 minutes . However , Ruby order " both physique are in the normal compass , it ’s not that there ’s something awry with either group . "
all told , the results suggest the mentality of high-pitched recallers may be more reactive to stimuli such as sound , which could make them rouse up more well . It is more potential a person would remember their dreams if they are awaken immediately after one , Ruby said .
However , ignite up at night can account for only a part of the departure people show inremembering aspiration . “There ’s still much more to understand , " she said .
The subject is publish online today ( Aug. 13 ) in the journal Frontiers in psychological science .
