MAPT and tauopathy: Mulroy et al. (4) in their recent paper on “novel tauopathies,” have highlighted how pathological tau deposition is interestingly being noted in some other movement disorders like ADCY5 related dyskinesia, Beta-propeller protein associated neurodegeneration (BPAN), Benign hereditary chorea (BHC) Type 2, Huntington's disease (HD), Progressive ataxia, and palatal tremor (PAPT) and Spinocerebellar ataxia (SCA 11, 31).