Mental retardation comprises five general categories : borderline, mild, moderate, severe and profound.
What is the most common level of mental retardation?
The incidence is 1% of the population, with a male preponderance. 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 are the different causes of mental retardation?
Causes of mental retardation include fetal alcohol syndrome and fetal alcohol effect ; brain damage caused by the use of prescription or illegal drugs during pregnancy; brain injury and disease; and genetic disorders, such as Down syndrome and fragile X syndrome.
What is mental retardation called now?
The term “ intellectual disability” is gradually replacing the term “mental retardation” nationwide.
What are 3 factors that may cause mental retardation?
A number of factors including environmental factors, genetic factors, malnutrition, maternal use of alcohol during pregnancy, drug and poverty are responsible for MR. The congenital dysfunction of brain and injury of brain can also cause MR.
Can mental retardation be treated?
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 .
What are signs of low IQ?
- IQ <20.
- Significant delays in all areas.
- May respond to regular physical and social activity.
- Not capable of self-care.
- Cognitive abnormalities present.
- Needs close supervision.
- Requires attendant care.
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).
How can we prevent mental retardation?
Prenatal diagnosis, newborn screening, dietary supplementation or restriction, hormone replacement, vaccination , and immunotherapy are just some of the techniques that have been applied to prevent mental retardation.
How do you get intellectual disability?
Intellectual disability can be caused by a problem that starts any time before a child turns 18 years old – even before birth. It can be caused by injury, disease, or a problem in the brain. For many children, the cause of their intellectual disability is not known.
What is the most common cause of preventable mental retardation?
Iodine deficiency remains the single greatest cause of preventable brain damage and mental retardation worldwide.
What is the most common cause of intellectual disability?
Some of the most common known causes of intellectual disability include fetal alcohol syndrome disorder ; genetic and chromosomal conditions, such as Down syndrome and fragile X syndrome; and certain infections during pregnancy.
Is mental retardation genetic?
Mental retardation is caused by a number of different factors. Among genetic disorders, Fragile X syndrome and Down syndrome are the commonest causes of mental retardation. Fragile X syndrome (FXS) is an inherited form of mental retardation.
How do you test for mental retardation?
The Wechsler and Binet scales remain the two dominant, language-loaded, individually administered intelligence tests used for the diagnosis of mental retardation in the United States.
How do you treat a mentally ill person?
Try to show patience and caring and try not to be judgmental of their thoughts and actions. Listen; don't disregard or challenge the person's feelings. Encourage them to talk with a mental health care provider or with their primary care provider if that would be more comfortable for them.
How could I increase my IQ?
- Memory activities. ...
- Executive control activities. ...
- Visuospatial reasoning activities. ...
- Relational skills. ...
- Musical instruments. ...
- New languages. ...
- Frequent reading. ...
- Continued education.
