Cervical dystonic tremor, dystonia, dysphonia, NMDA encephalitis Previously, limbic autoimmune encephalitis presenting as dysarthria[5] and antiglutamate receptor 1 antibody encephalitis presenting as hemidystonia has been documented.[6] After treatment with botulinum toxin, there was significant improvement in the proband's cervical dystonic tremor and moderate improvement in her dysphonia (Video 1). Keywords: cervical dystonic tremor; dystonia; NMDA encephalitis; dysphonia EN cervical dystonic tremor dystonia NMDA encephalitis dysphonia 683 686 4 04/18/23 20230401 NES 230401 The precise prevalence of anti- I N i -methyl-d-aspartate receptor encephalitis (anti-NMDARE) is unknown, and the disease is often underreported. [Extracted from the article]