The old and still popular terms were adjusted downward from normal- Moron ( high and low grade) Imbecile, and Idiot. for some reason Moron and Idiot remain in popular usage but imbecile, even in slang usage is rarely used.
mild, moderate, severe, and profound. These categories are based on the person's level of functioning.
Profound mental retardation: Below 20 Severe mental retardation: 20-34 Moderate mental retardation: 35-49 Mild mental retardation: 59-60 Borderline intellectual functioning: 70-79
down syndrome
Overstudy does not cause mental retardation.
mental retardation,congenital anomalies
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 occurs in 2.5-3% of the general population.
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
The two conditions are not at all related. Autism does not cause mental retardation.
because some ppl are born with birth defects like 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.
yes