Meanings of severe mental retardation in English

The patient shows severe mental retardation, congenital heart malformations, nephropathy, and other congenital anomalies.

These disorders range from mild Asperger's Syndrome to severe mental retardation and social disability.

Mutant mice have impaired spatial memory, and σ1B-deficient humans have a severe mental retardation.

The characteristic phenotype of AS is severe mental retardation, ataxic gait, tremulousness, and jerky movements.

Lissencephaly is a human brain malformation manifested by a smooth cerebral surface and severe mental retardation.

One patient is also physically disabled, exhibiting urogenital and limb malformations in addition to severe mental retardation.

All patients with uncontrolled seizures had severe mental retardation, and three of these had malformations of cortical development.

Angelman syndrome is a neurological disorder whose symptoms include severe mental retardation, loss of motor coordination, and sleep disturbances.

All these patients had a strikingly similar poor neurological outcome characterized by dystonia, severe mental retardation and acquired microcephaly.

A 22-year-old man with Down syndrome, who had been diagnosed as having severe mental retardation, was put on donepezil therapy.

To our knowledge, the combination of this dystrophinopathy in association with severe mental retardation has not been described in a girl.

Patients affected by MHBD deficiency usually manifest severe mental retardation and convulsions, whereas beta-ketothiolase-deficient patients present encephalopathic crises characterized by metabolic acidosis, vomiting and coma.

Here we report a three-generation family in which two affected males showed severe mental retardation and progressive spasticity, previously mapped in Xq27.2-qter.