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Abnormal head movements
- ... signs and symptoms, which may include a small head size (microcephaly), severe developmental delays, abnormal movements (dyskinesia), seizures, and encephalopathy (abnormal brain function). These ...
- ... brain and extend to various areas of the head and neck, controlling muscle movement and transmitting sensory information. Abnormal function of certain cranial nerves can cause swallowing ...
- ... experience episodes called oculogyric crises. These episodes involve abnormal rotation of the eyeballs; extreme irritability and agitation; and pain, muscle spasms, and uncontrolled movements, especially of the head and neck. Movement abnormalities are often worse late ...
- ... seen in some affected individuals include short stature, abnormal head size (either larger or smaller than normal), a small lower jaw (micrognathia), an opening in the roof of the mouth (cleft palate), involuntary eye movements (nystagmus) or eyes that do not look in ...
- ... As a result, affected individuals must turn their head instead of moving their eyes to track moving objects. Up-and-down (vertical) eye movements are typically normal.In people with HGPPS, an abnormal side-to-side curvature of the spine develops ...
- ... may require surgery.Andermann syndrome also results in abnormal function of ... following movements with the eyes (gaze palsy).Individuals with Andermann ...
- ... oval-shaped and range in size from the head of a pin to a large coin.Other signs and symptoms of microcephaly-capillary malformation syndrome include abnormal movements, feeding difficulties, slow growth, and short stature. Most ...
- ... many people with Christianson syndrome include a small head size (microcephaly); a long, narrow face with prominent nose, jaw, and ears; an open mouth and uncontrolled drooling; and abnormal eye movements. Affected children often have a happy demeanor with ...
- ... the spine develop deformities called contractures that restrict movement. The ... develop an abnormal curvature of the spine (scoliosis). In some people ...
- ... legs. As the condition progresses, affected children develop abnormal ... movements and difficulty with speech and swallowing. Affected individuals ...