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  2. Myoclonus - Wikipedia

    en.wikipedia.org/wiki/Myoclonus

    Myoclonus is a brief, involuntary, irregular ... The syndrome has much more severe symptoms ranging from multiple seizures daily, learning disabilities, and abnormal ...

  3. Opsoclonus myoclonus syndrome - Wikipedia

    en.wikipedia.org/wiki/Opsoclonus_myoclonus_syndrome

    Opsoclonus myoclonus syndrome (OMS), also known as opsoclonus-myoclonus-ataxia (OMA), is a rare neurological disorder of unknown cause which appears to be the result of an autoimmune process involving the nervous system. It is an extremely rare condition, affecting as few as 1 in 10,000,000 people per year.

  4. Myoclonic dystonia - Wikipedia

    en.wikipedia.org/wiki/Myoclonic_dystonia

    Myoclonic dystonia or Myoclonus dystonia syndrome is a rare movement disorder that induces spontaneous muscle contraction causing abnormal posture. The prevalence of myoclonus dystonia has not been reported, however, this disorder falls under the umbrella of movement disorders which affect thousands worldwide. [1]

  5. Anti-Hu associated encephalitis - Wikipedia

    en.wikipedia.org/wiki/Anti-Hu_associated...

    Opsoclonus-myoclonus syndrome (OMS) is a condition that develops in children as a result of anti-Hu antibodies. The illness afflicts younger children, with one study showing an age range of about 2 months to 10 years, with the majority of cases falling between 6 months to 3 years. The first symptoms are nonspecific.

  6. Progressive myoclonus epilepsy - Wikipedia

    en.wikipedia.org/wiki/Progressive_myoclonus_epilepsy

    MEAK is a form of progressive myoclonus epilepsy that typically begins between the ages of 3 and 15 years (the average of onset is 10 years). The first symptoms may include ataxia and myoclonus (unsteadiness and difficulty coordinating movements), along with generalized tonic-clonic ("grand mal") seizures.

  7. Myoclonic epilepsy - Wikipedia

    en.wikipedia.org/wiki/Myoclonic_epilepsy

    Progressive myoclonus epilepsy is a disease associated with myoclonus, epileptic seizures, and other problems with walking or speaking. These symptoms often worsen over time and can be fatal. [6] MERRF syndrome is also known as myoclonic epilepsy with ragged-red fibers.

  8. MERRF syndrome - Wikipedia

    en.wikipedia.org/wiki/MERRF_syndrome

    MERRF syndrome (or myoclonic epilepsy with ragged red fibers) is a mitochondrial disease. It is extremely rare, and has varying degrees of expressivity owing to heteroplasmy . [ 1 ] MERRF syndrome affects different parts of the body, particularly the muscles and nervous system . [ 2 ]

  9. Jeavons syndrome - Wikipedia

    en.wikipedia.org/wiki/Jeavons_Syndrome

    Jeavons syndrome is a type of epilepsy. It is one of the most distinctive reflex syndromes of idiopathic generalized epilepsy characterized by the triad of eyelid myoclonia with and without absences , eye-closure-induced seizures, EEG paroxysms, or both, and photosensitivity .