Other allelic neurological disorders with the same gene associations are ataxia with oculomotor apraxia (SETX), HSP (ALS2, SPG11, ERLIN1, and DDHD1), JPLS (ALS2), dHMN (SIGMAR1), distal myopathy (GNE), and distal SMA (BICD2). The gene discussed is DDHD1; the disease is distal myopathy.