Meanings of profound mental retardation in English

To our knowledge this is the first reported patient with SID, profound mental retardation, and a seizure disorder.

Autism includes a range of disorders, from the mild Asperger's syndrome to profound mental retardation and lack of ability to socialize.

Participants were 5 adults with severe or profound mental retardation who engaged in a manual response that was reinforced on variable-ratio schedules during baseline.