Intellectual Disability

Psychology

IQ 70-79

Borderline intellectual disability

IQ 52-69

Mild intellectual disability

IQ 36-51

Moderate intellectual disability

IQ 20-35

Severe intellectual disability

IQ 19 or below

Profound intellectual disability

What are some physical factors of intellectual disability?

Lack of oxygen at birth (commonly caused by the umbilical cord being wrapped around the neck), extreme malnutrition, exposure to toxic chemicals, and genetics

What are environmental factors of intellectual disability?

Proper nutrition is absolutely crucial to brain development (the nutrition a child does or doesn’t get is vital to that brain development), if vital nutrients are absent during critical periods of brain growth development is permanently slowed, and alcohol and drug during pregnancy can damage an unborn child (for example “crack babies”)

How many people in the U.S. have intellectual disabilities?

6.5 million

What people are classified as “slow learners”?

IQ 70-79: borderline intellectual disability

What category do most people termed “intellectually disabled” fall into?

IQ 52-69: mild intellectual disability

75% of which category has a physical disability or a major disease?

IQ 20-35: severe intellectual disability

Which category makes up about 1% of the population?

IQ 19 or below: profound intellectual disability