A number of factors are attributed to the high incidence rate of dual diagnoses: Lack of education, lack of self-esteem and self-advocacy skills, lack of understanding of social norms and appropriate behavior and communication difficulties are strong contributing factors to the high incidence of abuse among this population.
In addition to abuse from people in positions of power, peer abuse is recognized as a significant, if misunderstood, problem.
Subsequently, a differential diagnosis may be used to diagnose an underlying disease, which may include a physical examination and genetic tests.
The degree of disability can be quantified by assigning a developmental age to a person, which is age of the group into which test scores place the person.
A lot of the time, challenging behavior is learned and brings rewards and it is very often possible to teach people new behaviors to achieve the same aims.This, in turn, can be used to calculate a There are many physical health factors associated with developmental disabilities.For some specific syndromes and diagnoses, these are inherent, such as poor heart function in people with Down syndrome.Most common developmental disabilities: The causes of developmental disabilities are varied and remain unknown in a large proportion of cases.
Even in cases of known etiology the line between "cause" and "effect" is not always clear, leading to difficulty in categorizing causes.
Early in the twentieth century, the eugenics movement became popular throughout the world.