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In an unprecedented study, researchers at the Karolinska Institute in Sweden found that breathing through the nose rather than through the mouth stimulates memory consolidation, a stage in which memories are strengthened and stabilized for later recovery.
As part of the experiment, 24 participants were presented with 12 different flavors during the first session, then asked to relax for one hour, the period of consolidation of memory, breathing through the nose or by mouth, Science Daily notes.
At the second session, participants were exposed to a different set of 12 scents and were asked to remember if the scent was new or old. Participants, who had their strips in their mouths, could remember correctly almost twice as often as those who did not breathe through the nose, reports Mail Online. The results are based on the notion that respiratory cycles modulate cognitive function and have a direct impact on the consolidation of episodic events.
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