Cortically-mediated muscle responses to balance perturbations increase with perturbation magnitude in older adults with and without Parkinson's disease
Scott E. Boebinger, Aiden M. Payne, Jifei Xiao…·Lena H. Ting
The paper uses a neuromechanical model to decompose muscle activity into brainstem and cortical components during balance perturbations, showing increased cortical involvement with age and Parkinson's disease.