Parkinson’s disease, renowned for its debilitating effects on movement, has always been intrinsically linked to the diminishment of dopamine, a chemical imperative for motor functions. However, a groundbreaking study by the University of Montreal divulges surprising revelations about the resilience of brain’s movement circuits even with a conspicuous deficiency in dopamine during the asymptomatic phases of Parkinson’s. This groundbreaking research, led by esteemed neuroscientist Louis-Éric Trude