<prompt> Astasia-Abasia is seen inAlzeihmers diseaseParkinsonismHysterical conversion disorderSchizophrenia  <response>: C Hysterical conversion disorder Dissociative Motor Disorders Motor disturbance usually involves either paralysis or abnormal movements. Abnormal movements range from tremors, choreiform movements, gait disturbances to convulsive movements. These movements either occur or increase when attention is directed towards them, and may disappear when patient is watched unobserved. These movements do not fit the typical clinical picture of the abnormal involuntary movement disorders. Gait disturbance astasia abasia is usually characterized by a wide-based, staggering, jerky, dramatic and irregular gait with exaggerated body movements. 