DR RV ANAND CONSULTANT NEUROLOGIST SAI NEURO CLINIC NON MOTOR SYMPTOMS IN PARKINSON DISEASE are those not related to movemenmt. they can be related to mood and sendses ex smell taste and sight, they may also involve ability to think.these can range from mild to severe.they may have difficulty in making decisions or multitasking.they may not remember recent events.they may have difficulty in judging distances.