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Rose Scent Improves Learning During Sleep

by Colleen Fleiss on Feb 2 2020 6:15 PM

Rose Scent Improves Learning During Sleep
Rose fragrance was found to improve learning during sleep, said researchers at the University of Freiburg - Medical Center, the Freiburg Institute for Frontier Areas of Psychology and Mental Health (IGPP) and the Faculty of Biology at the University of Freiburg. The findings of the study were published in the Nature Group's Open Access journal Scientific Reports.
For the study, first author and student teacher Franziska Neumann conducted several experiments with 54 students from two 6th grade classes of a school in southern Germany. The young participants from the test group were asked to place rose-scented incense sticks on their desks at home while learning English vocabulary and on the bedside table next to the bed at night. In another experiment, they also placed the incense sticks on the table next to them during a vocabulary test at school during an English test. The results were compared with test results in which no incense sticks were used during one or more phases.

The results also suggest that the additional use of the incense sticks during the vocabulary test promotes memory.

Findings are suitable for everyday use

"One particular finding beyond the seminal initial study was, that the fragrance also works when it is present all night," says Kornmeier. "This makes the findings suitable for everyday use." Previous studies had assumed that the fragrance needs to be only present during a particularly sensitive sleeping phase. However, since this sleep phase needs to be determined by an effortful measurement of brain activity by means of an electroencephalogram (EEG) in the sleep laboratory, this finding was not suitable for everyday use. "Our study shows that we can make learning during sleep easier. And who would have thought that our nose could help considerably in this," says Kornmeier.

Source-Eurekalert


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