VCP and bone Paget disease: On the other hand, there are other inherited neuromuscular diseases like Duchenne Muscular Dystrophy (DMD) and valosin-containing protein (VCP)/p97-associated phenotypes (inclusion body myopathy (IBM), Paget's disease of the bone (PDB), frontotemporal dementia (FTD) and amyotrophic lateral sclerosis (ALS)), where the molecular cause for muscle degeneration also impacts cognition [7, 8].