No cognitive deficits were found in patients carrying variants in other genes, with the exception of three mutated patients in TARDPB (c.883G > A p.Gly295Ser), TBK1 (c.225G > C p.Glu75Asp), and CHCHD10 (c.100C > T p.Pro34Ser), respectively. Here, TBK1 is linked to Cognitive impairment.