Attack Performance of Paroxysmal Nonkinesigenic Dyskinesia

A 14-year-old boy with paroxysmal nonkinesigenic dyskinesia (PNKD), confirmed by the identification of MR-1 (ie, gene PNKD) missense variant, presented an attack of choreathetotic movement of all extremities and twisting in the trunk without loss of consciousness, precipitated with stress and fatigue. The attack occurred 2 to 3 times each day and lasted from several minutes to hours before a full recovery. Click the Related Article link for full details.