Similar Disorders
Tourette Syndrome is a genetic neurodevelopmental disorder. It is characterized by multiple physical (motor) tics, or sudden movements, and at least one vocal (phonic) tic. There are many overlaps when compared clinically. One difference, however, is that unlike Tourette Syndrome, the abnormal "jumping" response is always provoked.
Latah from Southeast Asia is a disorder where one's startle response is similar to a state of trance with repetitive speech or movements.
Miryachit is a disorder found in Siberia that also displays an action similar to "jumping."
Neurasthenia is a disorder with a startle response during periods of great fatigue.
Hyperekplexia is an extremely rare autosomal dominant neurological disease. It results in the mutation of the glycine receptor that inhibit signals to the spinal cord and brain stem. The symptoms start in infancy with hypertonia, an abnormal muscle tension that decreases flexibility, and an exaggerated startle in all ages of life.
Read more about this topic: Jumping Frenchmen Of Maine
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