People of Sri Lanka can be categorised on two bases: ethnic groups and religion. On ethnic base biggest group are the Sinhalese and then the Tamils. On basis of religion follo â¦ wers of Buddhism form the largest community in Sri Lanka.
Functional tremor is the commonest type of functional movement disorder. In functional tremor there is uncontrollable shaking of part of the body usually an arm or a leg.This is due to the nervous system not working properly but not due to an underlying neurological disease.Functional tremor is sometimes mistaken for Parkinsons disease or other causes of tremor such as 'Essential tremor'. tremor is a rhythmical movement of an arm, leg or other body part such as the head. Functional tremor may come and go through the day. The tremor may become violent at times and change in speed.
A functional neurological disorder is a condition in which patients experience neurological symptoms such as weakness, movement disorders, sensory symptoms and blackouts. The brain of a patient with functional neurological symptom disorder is structurally normal, but functions incorrectly. According to consensus from the literature and from physicians and psychologists practicing in the field, functional symptoms, also called 'medically unexplained,' 'psychogenic,' or 'hysterical,' are symptoms