F 78 Other mental retardation

F 78 Other mental retardation

This category is only used when assessing the degree of mental retardation by conventional procedures is particularly difficult or impossible because of accompanying sensory or physical disorders such as blindness, gluhonemota, severe behavior disorder or bodily infirmity.

Disorders of psychological development

These disorders are characterized in that they have the following general events:

1. Start early childhood / baby / or childhood

2. Violation or delay in development of functions that are closely related to biological maturation of the central nervous system

3. Sustainable flow

In most cases damaged functions affecting language, visual-spatial skills and / or motor coordination. This is a partial delay in the development, in which an isolated function or skill is not developed in accordance with the expected rates in the characteristic time with preserved intellectual abilities. With the growth of children breaches progressively reduced, although often remain mild abnormalities in adulthood. Most of these conditions are met several times more common in boys than in girls.

For the development of the disorder is typical to have a family history, although in most cases this impact is paramount.

Etiology in most cases is unknown.