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Results 51 - 60 of 89 for abnormal involuntary movement
  1. STXBP1 encephalopathy 
    STXBP1 encephalopathy is a condition characterized by abnormal brain function (encephalopathy) and intellectual disability. Most affected individuals also have recurrent seizures (epilepsy). The signs and symptoms of this condition typically begin ...
    https://medlineplus.gov/genetics/condition/stxbp1-encephalopathy - Genetics
  2. Primary familial brain calcification 
    ... familial brain calcification is a condition characterized by abnormal deposits of calcium (calcification) in blood vessels within ... in people with primary familial brain calcification include involuntary tensing of ... movements of the limbs (choreoathetosis), and an unsteady walking ...
    https://medlineplus.gov/.../primary-familial-brain-calcification - Genetics
  3. Spinocerebellar ataxia type 36 
    ... of the eye muscles, which can lead to involuntary eye movements (nystagmus), rapid eye movements (saccades), trouble moving the ... gene disrupts the normal structure of NOP56 mRNA. Abnormal NOP56 mRNA molecules form clumps called RNA foci ...
    https://medlineplus.gov/.../condition/spinocerebellar-ataxia-type-36 - Genetics
  4. Autosomal recessive congenital methemoglobinemia 
    ... brain dysfunction (encephalopathy), uncontrolled muscle tensing (dystonia), and involuntary limb movements (choreoathetosis); also, the size of their head remains ...
    https://medlineplus.gov/...al-recessive-congenital-methemoglobinemia - Genetics
  5. Fatty acid hydroxylase-associated neurodegeneration 
    ... not look in the same direction (strabismus), rapid involuntary eye movements (nystagmus), or difficulty moving the eyes intentionally (supranuclear ... of this enzyme's function may result in abnormal myelin that is prone to deterioration (demyelination), leading ...
    https://medlineplus.gov/...-hydroxylase-associated-neurodegeneration - Genetics
  6. CHD2 myoclonic encephalopathy 
    ... is a condition characterized by recurrent seizures (epilepsy), abnormal brain function (encephalopathy), and intellectual disability. Epilepsy begins ... The most common are myoclonic seizures, which involve involuntary muscle ... then rigid movements of the arms. Epilepsy can worsen, causing prolonged ...
    https://medlineplus.gov/.../condition/chd2-myoclonic-encephalopathy - Genetics
  7. SCN8A-related epilepsy with encephalopathy 
    ... is a condition characterized by recurrent seizures (epilepsy), abnormal brain function (encephalopathy), and intellectual disability. The signs ... partial or complete loss of consciousness (absence seizures), involuntary ... Problems with movement are common, and about half of affected infants ...
    https://medlineplus.gov/...cn8a-related-epilepsy-with-encephalopathy - Genetics
  8. Sporadic hemiplegic migraine 
    ... ataxia), which may worsen with time, and rapid, involuntary eye movements called nystagmus. Mild to severe intellectual disability has ... of certain neurotransmitters in the brain. The resulting abnormal signaling may lead to the severe headaches and ...
    https://medlineplus.gov/.../condition/sporadic-hemiplegic-migraine - Genetics
  9. Spinocerebellar ataxia type 6 
    ... signs and symptoms of SCA6 include speech difficulties, involuntary eye movements (nystagmus), and double vision. Over time, individuals with ... subunit is located within the cell membrane; the abnormal subunit is found in the cell membrane as ...
    https://medlineplus.gov/.../condition/spinocerebellar-ataxia-type-6 - Genetics
  10. Infantile neuroaxonal dystrophy 
    ... pneumonia. Seizures occur in some affected children.Rapid, involuntary eye movements (nystagmus), eyes that do not look in the ... neurons. In some individuals with infantile neuroaxonal dystrophy, abnormal amounts of iron accumulate in a specific region ...
    https://medlineplus.gov/.../infantile-neuroaxonal-dystrophy - Genetics
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