Abstract

Previous chapter From the early 18th century, the medical concept of rhythm changed mainly for two reasons: the first was the Mechanistic perspective that was slowly penetrating medicine; the second was the use of new portable timing devices that brought more accuracy to observation. These new circumstances allowed the generalization of the concept of beat, its later transformation into that of wave, and their association with the concepts of frequency and regularity or periodicity, which - Médecine – Nouvel article