Subject(s)

Myoclonus/etiology , Stiff-Person Syndrome/diagnosis , Anticonvulsants/therapeutic use , Clonazepam/therapeutic use , Consanguinity , Diagnosis, Differential , Electroencephalography , Epilepsy/diagnosis , Exons , Gene Deletion , Humans , Infant, Newborn , Male , Receptors, Glycine/genetics , Stiff-Person Syndrome/drug therapy , Stiff-Person Syndrome/genetics