Using diagnostic criteria set forth in manuals such as DSM and ICD. Assessments involve tests of intelligence such as the WISC, WJ, PTONI, and DTLA. Concurrent deficits in adaptive behavior are also required for the diagnosis. Mental retardation is a developmental disorder. Therefore, it is diagnosed early in life.
In the case of Jim Cook its is 38!!
Generally speaking, mental disabilities such as the antiquated term retardation are diagnosed anytime before the age of 18. Specifically though, it is possible to reach a diagnosis as early as 24 months.
Overstudy does not cause mental retardation.
Some cases of mild mental retardation are not diagnosed before the child enters preschool. These children typically have difficulties with social, communication, and functional academic skills.
TThere are quite high as it comes in different types of mental retardation.
Exposure to lead can also cause mental retardation.
literature review on mental retardation with reference
Mental retardation has different levels. There is Mild intellectual disability; moderate intellectual disability; severe intellectual disability; and Profound intellectual disability.https://www.floridahospital.com/mental-retardation-mr/symptoms-and-signs-mental-retardation
because some ppl are born with birth defects like mental retardation
The two conditions are not at all related. Autism does not cause mental retardation.
We have to be very careful with this, because mental retardation cannot be diagnosed knowing only a person's standard IQ score. There must also be serious impairment in two areas of adaptive behavior. If a person can communicate with others, take care of her/himself in regard to daily living activities, and if the person has good social skills, then mental retardation is not an appropriate label for that person. Generally, an IQ below 70 would also be part of the diagnostic picture for someone dealing with mental retardation.
About one-third of individuals with CP have moderate-to-severe mental retardation, one-third have mild mental retardation, and one-third have normal intelligence.