DOCK3 and benign essential blepharospasm: At αadjusted = 0.017, no association was detected between the MoCA and the JRS in blepharospasm patients (rs(36) = − 0.24; p = 0.157), the TS in cervidal dystonia patients (rs(31) = − 0.30; p = 0.106) or the VHI in laryngeal dystonia patients (rs(6) = − 0.50; p = 0.317).