Do not lie down angry: negative emotions take root during the night.
Memories related to negative emotions are more difficult to forget after a night of sleep, showed by a neuroscience.
With the consolidation of memories that takes place during the night, rapid changes occur in the organization of emotional memory, which make one night suffice to diminish the ability to remove unwanted memories.
Experience with male.
The team of seven researchers, based in China, the United States and the United Kingdom, asked a group of 73 male students to memorize associations between pairs of images: photos showing a neutral face of On the one hand and images causing repulsion on the other hand.
They then showed them the faces again, asking them to voluntarily eliminate the negative memory they had associated with them.
The same activity was then repeated the next day, with other images.
The results showed that participants had more difficulty removing negative memories after a night of sleep.
During the experiment, they measured brain activity of the participants. This allowed them to observe that the neural circuits involved in the elimination of memories, initially centered on the hippocampus, then became more dispersed in the brain, this change seems negative memories are more difficult to remove.
Memories can be eliminated by the will.
Previous studies of cognitive control have shown that people can voluntarily eliminate memories, but the influence of sleep on this ability was unknown, Yunzhe Liu of the Institute for Research On the brain of Beijing and undergoing a thesis at the Center for Neuroimaging of the Wellcome Trust Foundation in London.
The study focused only on male volunteers because gender differences were reported in terms of emotional regulation and cognitive control.
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Do not ever get angry.
This study suggests that the good old advice “Do not ever get angry” has a certain foundation. It is better to resolve a dispute before going to bed.
These findings also imply that there may be neurobiological reasons for the difficulty in eliminating negative memories and emotions in cases of affective disorders such as post-traumatic stress disorder.
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