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Palatal myoclonus

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Palatal myoclonus

Rhythmic 2 to 3 Hz muscular contractions are evident in the midline of the neck and in the pharynx. (Contributed by Dr. Joseph Jankovic.)

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Associated Disorders

  • Acquired metabolic syndromes
  • Action myoclonus renal failure syndrome
  • Adult Gaucher disease
  • Alcohol-sensitive myoclonus with dystonia
  • Alzheimer disease
  • Angelman syndrome
  • Anti-N-methyl-D-aspartate receptor encephalitis
  • Antibody-associated myoclonus syndromes
  • Autoimmune myoclonus syndromes
  • Benign adult familial myoclonic epilepsy
  • Benign myoclonic epilepsy in infancy
  • Benign sleep myoclonus of infancy
  • Biotin responsive encephalopathy,
  • Bismuth encephalopathy
  • Celiac disease
  • Ceroid lipofuscinosis
  • Cherry-red spot myoclonus syndrome
  • Corticobasal degeneration
  • Creutzfeldt-Jakob disease
  • Dentatorubral-pallidoluysian atrophy
  • Dentatorubropallidoluysian atrophy
  • Dravet syndrome
  • Drug-induced myoclonus
  • Early myoclonic encephalopathy
  • Ekbom syndrome
  • Epilepsia partialis continua
  • Epilepsy progressive myoclonus type 1
  • Epilepsy with myoclonic absences
  • Epilepsy with myoclonic-atonic seizures
  • FAME
  • Familial adult myoclonic epilepsy
  • Familial myoclonic epilepsy
  • GM2 gangliosidoses
  • Hemifacial spasm
  • Hepatic encephalopathy
  • Hypoxic-ischemic encephalopathy
  • Idiopathic inflammatory syndromes
  • Infectious syndromes
  • Juvenile Huntington disease
  • Juvenile myoclonic epilepsy
  • Juvenile myoclonic epilepsy
  • Lafora body disease
  • Lance-Adams syndrome
  • Late onset neuronal ceroid lipofuscinosis
  • Lewy body disease
  • MERRF
  • Malabsorption syndromes
  • May-White syndrome
  • Mitochondrial encephalomyopathy
  • Mitochondrial encephalopathy
  • Multiple system atrophy
  • Myoclonic absences
  • Myoclonic epilepsy in infancy
  • Myoclonic epilepsy with ragged red fibers
  • Myoclonic seizures
  • Myoclonic status epilepticus
  • Myoclonic status in nonprogressive encephalopathies
  • Myoclonic-astatic epilepsy of childhood
  • Myoclonic-atonic seizures
  • Neurodegenerative and other dementia syndromes
  • Olivopontocerebellar degeneration
  • Opsoclonus-myoclonus
  • Paramyoclonus multiplex of Friedreich
  • Paraneoplastic syndromes
  • Parkinson disease
  • Postanoxic action myoclonus
  • Postencephalitic myoclonus
  • Progressive encephalomyelitis with rigidity and myoclonus and glycine receptor antibodies
  • Progressive myoclonic ataxia
  • Progressive myoclonic ataxia
  • Progressive myoclonus epilepsies
  • Ramsay Hunt syndrome
  • Renal failure myoclonus syndrome
  • Reticular reflex myoclonus
  • SCA
  • Severe myoclonic epilepsy in infancy
  • Sialidosis
  • Sleep starts
  • Spinal muscular atrophy
  • Spinocerebellar ataxias
  • Spinocerebellar degeneration
  • Static encephalopathies secondary to diffuse brain injuries
  • Toxin-induced myoclonus
  • Unverricht-Lundborg disease
  • Uremic encephalopathy