goolhealth 1 year ago
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Sleep strengthens memories for the past day

Scientists have previously known that sleep depends on the memories experienced, however, experts from the University of California-Riverside could confirm this theory only now. They were convinced that the phase of deep sleep is the last link in strengthening the memory of recent events. For the evidence, the specialists applied a computational model.

Scientists have shown that the processing of the information received in the day in the brain occurs according to the following scenario - people fall asleep, but the brain is actually awake, using slow processes of amplitude fluctuation in the cortex. It is at this time from the hippocampus that memories are transferred to the zone of long-term storage.

Yina Wei, the author of the study, notes that the spatial and temporal structure of the cortical oscillations is determined by signals from the hippocampus. According to the conclusion of specialists, this process is also decisive for processing and long-term storage of episodes of life in memory.

The research report is published in the Journal of Neuroscience.


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