What Is Mental Retardation And Types?

What are the 4 levels of mental retardation?

The DSM-IV classifies mental retardation into four stages based on severity: mild (IQ score of 50-55 to approximately 70), moderate (IQ score of 30-35 to 50-55), severe (IQ score of 20-25 to 35-40), and profound (IQ score of less than 20-25)..

What is the most common level of mental retardation?

Most affected individuals have mild mental retardation (IQ of 50 to 70). Moderate mental retardation is defined by a tested IQ of between 35 to 40 and 50 to 55. Severe mental retardation is defined by a tested IQ of between 20 to 25 and 35 to 40.

What is mean by mental retardation?

Mental retardation currently is defined by the American Association on Mental Retardation (AAMR) as “significantly sub-average general intellectual functioning accompanied by significant limitations in adaptive functioning in a least two of the following skills areas: communication, self-care, social skills, self- …

What are the characteristics of a child with mental retardation?

Developmental Characteristics Related to Level of Mental Retardation (DSM-IV Criteria)Mild retardationModerate retardationSlow in all areasNoticeable delays, especially in speechMay have no unusual physical signsMay have some unusual physical signsCan acquire practical skillsCan learn simple communication6 more rows•Feb 15, 2000

Can mental retardation be reversed?

“The same mutation in animals produces learning disorders, which we were able to eliminate in adult mice. Our work and other recent studies suggest that some forms of mental retardation can be reversed, even in the adult brain.”

What do they call mental retardation now?

The term “intellectual disability” is gradually replacing the term “mental retardation” nationwide.

What is the most common genetic cause of mental retardation?

Fragile X syndrome is the most common inherited form of mental retardation and, after Down syndrome, the most common genetic form.

Is mental retardation curable?

A small study of 30 people with the most common inherited form of mental retardation has found encouraging evidence that some symptoms of the disorder can be alleviated with drugs.

How do you classify intellectual disability?

Intellectual disability is defined as significant limitations in cognitive and adaptive functioning. The severity is classified as mild, moderate, severe, and profound, based on various measures of functioning and clinical judgment. Mild intellectual disability is primarily due to environmental risk factors.

Can a person with mental retardation live alone?

Most of the estimated 7.5 million Americans with mental retardation live on their own, with parents or with siblings and do not show up on the government’s waiting lists. Another significant group — in 2000, slightly less than half a million people — live in group or institutional settings.

How does intellectual disability affect a person?

Intellectual disability (or ID) is a term used when a person has certain limitations in cognitive functioning and skills, including communication, social and self-care skills. These limitations can cause a child to develop and learn more slowly or differently than a typically developing child.

How is someone diagnosed with mental retardation?

Three things factor into the diagnosis of intellectual disability: interviews with the parents, observation of the child, and testing of intelligence and adaptive behaviors. A child is considered intellectually disabled if they have deficits in both IQ and adaptive behaviors.

What are the different causes of mental retardation?

What causes intellectual disability?trauma before birth, such as an infection or exposure to alcohol, drugs, or other toxins.trauma during birth, such as oxygen deprivation or premature delivery.inherited disorders, such as phenylketonuria (PKU) or Tay-Sachs disease.chromosome abnormalities, such as Down syndrome.More items…

At what age is mental retardation diagnosed?

When is the diagnosis made? The onset of mental retardation is in childhood, before 18 years of age. The diagnosis is generally made after infancy, between the preschool and school-age periods. Sometimes the diagnosis may be made later, at the time when a thorough assessment is performed.

Is mental retardation a disease?

Intellectual disability (ID), also known as general learning disability and formerly mental retardation (MR), is a generalized neurodevelopmental disorder characterized by significantly impaired intellectual and adaptive functioning.

How do I know if I’m mentally challenged?

Rolling over, sitting up, crawling, or walking much later than developmentally appropriate. Difficulty communicating or socializing with others. Lower than average scores on IQ tests. Difficulties talking or talking late.