Intellectual disability (ID) (earlier known as "mental retardation") refers to below average intelligence and limitations in performing daily lifeskills in children, with onset in early childhood years.The features of ID may appear as early as in infancy, or it may not be noticeable until a childstarts schooling, and depends upon the severity level ofthe ID. Some common features are:
o Your child may lag behind other children of same age in mental development with or without associated lag in development. Your child may not be able to sit/walk/speak age appropriately.
o Your child may not be able to understand the simple instructions. Some kids may have difficulty in grasping complex instructions only.
o Your child may not be able to do certain tasks independently such as eating, dressing, bathing, and taking care ofself, depending on severity level. He/she may lacksense ofdanger and self-safety.
o Your child may not be able to participate in games governed by rules and may have difficult peer relationships. He/she may have trouble solving problems and think logically.
o School-going children may have academic difficulties, memory impairment, learning difficulties, and behavioral/attention problems. Intelligence quotient (IQ) and adaptive functioning (daily lifeskills) assessment with certain scales help in assessing the level of severity of ID. IQ score(70 is considered as ID.
Following
o Mild: IQ 50-69
o Moderate: IQ 35-49
o Severe: IQ 20-34
o Profound: IQ (20
However, only IQ scores may not be enough to assess functioning in real- life situations and practical tasks. Therefore, importance is given to degree of adaptive functioning while assessing the severity of ID. Few other tests such as neuroimaging (MRI brain), urine and blood tests, electrophysiological studies (EEG), genetic tests, hearing and vision assessment, behavioral assessment, etc. may be needed for evaluating the cause of I D and managing the comorbidities associated.
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