Impaired
Impaired refers to something that is damaged in such a way that renders it to be less effective. Impairment can occur in any modality. For example: Auditory impairment, visual impairment, mental health conditions, intellectual disability, acquired brain injury, physical disability, autism spectrum disorder, etc. Impairment and disability is often used as synonymous. Intellectual disability or impairment refers to the to the condition when a person is not being able to achieve development keeping at par with the others of his or her age mates. Intellectual disability can be caused by a range of environmental and genetic factors that lead to a combination of cognitive and social impairments. The factors are Single gene causes, visible and submicroscopic chromosomal causes, other microscopically visible chromosomal abnormalities, Prader-Willi Syndrome, Cat’s Cry Syndrome, Phenylketonuria, Rett Syndrome, Neurofibromatosis, Tuberous Sclerosis, Lesch-Nyhan Syndrome, Adrenoleukodystrophy, Maple Syrup Urine Disease , problem prenatal period, Rubella, Cytomegalic Inclusion Disease, etc.