In the 14th century, the surgeon Guy de Chauliac pointed out the relatively good prognosis of concussion as compared to more severe types of head trauma such as skull fractures and penetrating head trauma.
I 1300-tallet pointerede kirurgen Guy de Chauliac den relativt gode prognose for hjernerystelse, sammenlignet med andre mere alvorlige typer af hovedtrauma såsom kraniefrakturer og åbent hovedtrauma.