Age‐related cognitive decline in myotonic dystrophy type 1: An 11‐year longitudinal follow‐up study

Background Myotonic dystrophy type 1 ( DM 1) is an inherited multi‐systemic disease involving the central nervous system ( CNS ) and is consequently characterized by a range of cognitive impairments. However, whether this cognitive profile progresses over time is still a matter of debate. The aim of this study was to longitudinally assess a DM 1 sample, in order to compare, for the first time, this progression with that of a control group....