Intellectual Developmental disorder Flashcards
Neurodevelopmental disorders
What do neurodevelopmental disorders involve?
Developmental deficits that impair personal, social, academic, and/or occupational functioning.
When do neurodevelopmental disorders usually begin?
Early in development, before the child starts school.
What are the three diagnostic criteria for Intellectual Developmental Disorder?
Deficits in intellectual functioning, deficits in adaptive functioning, and onset during the developmental period.
How is intellectual functioning assessed for Intellectual Developmental Disorder?
Through clinical assessment and individualized, standardized intelligence testing.
What score on an intelligence test typically indicates Intellectual Developmental Disorder?
Two or more standard deviations below the population mean.
What does the severity specifier for Intellectual Developmental Disorder indicate?
Level of support needed based on adaptive functioning in conceptual, social, and practical domains.
What percentage of Intellectual Developmental Disorder cases have a known cause?
25 to 50% of cases.
What percentage of known etiology cases are due to prenatal factors?
80 to 85%.
What are examples of prenatal causes of Intellectual Developmental Disorder?
Chromosomal and other genetic causes.
What percentage of known etiology cases are due to perinatal factors?
5 to 10%.
What is an example of a perinatal cause of Intellectual Developmental Disorder?
Asphyxia.
What percentage of known etiology cases are due to postnatal factors?
5 to 10%.
What is the most common chromosomal cause of Intellectual Developmental Disorder?
Down’s syndrome.
What is the second most common chromosomal cause of Intellectual Developmental Disorder?
Fragile X syndrome.
What is the most common preventable prenatal cause of Intellectual Developmental Disorder?
Fetal alcohol syndrome.
