They are people who display differences in mental, physical, sensory, behavioural or linguistic characteristics that distinguish those who have them from typical or average people; this means these people need special additions to help them cope with their reality, such as certain programmes, devices, adaptations, tools or support services.
It is an individual who cannot practise certain activities and cannot acquire experiences through the methods available to a typical person.
They are a group of people who need special treatment, as a result of having a type of disability that has deprived them of adapting to and conducting the affairs of their lives like healthy people, and therefore they need special treatment so that they can comprehend the matters going on around them.
Genetic disorders: either due to the presence of genes inherited from one of the parents, or due to an external factor.
Certain illnesses affecting the mother, or accidents during pregnancy or childbirth.
Developing complications from certain illnesses as a result of neglecting treatment and failing to control the illness, such as:
Illnesses related to the muscles and joint inflammation.
Heart disease and stroke.
Cancer.
Diabetes.
Diseases of the nervous system.
Unknown causes.