The rhythm of breathing creates electrical activity in the human brain that enhances emotional judgments and memory recall, which depend critically on whether you inhale or exhale and whether you breathe through the nose or mouth, Northwestern Medicine scientists have discovered for the first time.

See the source article by following the link below:
The rhythm of breathing creates electrical activity in the human brain that enhances emotional judgments and memory recall, which depend critically on whether you inhale or exhale and whether you breathe through the nose or mouth, Northwestern Medicine scientists have discovered for the first time.