Northwestern University study links breathing cycles to reaction speed

Researchers from Northwestern University have identified a correlation between breathing phases and human reaction speeds. A study involving 35 participants demonstrated that reaction times varied by an average of 41 milliseconds depending on the respiratory cycle.

Data indicated that reactions were significantly faster during exhalation compared to inhalation. The slowest reaction times occurred during the transition between exhaling and inhaling. Additionally, the study found that consciously holding one's breath could accelerate reaction speeds. While these findings highlight a clear link between breathing and brain function, researchers noted that the relationship remains complex, as previous studies have shown different results for tasks involving information processing rather than simple stimulus reaction.