In cases of this kind there may be little or no impairment of intelligence or judgment.
She says that as many as 2 per cent of the population have a learning disability such as Down's, Asperger Syndrome or autism; defined by the RCN as anyone with "impairment of intelligence and adaptive function," yet the quality of the care is, in her opinion, "still very variable".
In other words, the medium-As group would have even lower IQ scores if exposure to higher concentrations led to severe impairment of intelligence, but it did not.
The high levels of pre- or postnatal exposure to CH3Hg were found to cause long-term psychiatric symptoms in adults including impairment of intelligence and mood, and behavioral dysfunction.
Important exclusion criteria included general impairment of intelligence, serious medical illness, a history of psychosis or bipolar disorder, alcohol or drug abuse within the previous 3 months, and ongoing use of psychoactive medication other than the study drug.
Later, Winterstein summarized the psychiatric manifestations of approximately 50 professional boxers and noted impairment of intelligence, mental dullness, difficulty concentrating, paranoia, and garrulousness [ 9]. Johnson later added memory loss, dementia, rage reactions, and morbid jealousy to the clinical syndrome [ 10].
A study of the children of older fathers has found subtle impairments of intelligence and other mental abilities during infancy and childhood..
Recent epidemiologic studies in Europe and the United States have concluded that maternal hypothyroidism during pregnancy, even when mild and considered subclinical, and especially when occurring during early gestation, may be associated with an impairment of normal brain development and intelligence in offspring (Haddow et al. 1999; Pop et al. 1999).
Pb is known to provoke cognitive impairment in children; such impact is measured in terms of Intelligence Quotient (IQ) loss in children and related to increases in the Pbblood [ 16, 18, 19].
Information from measures of intelligence and adaptive behavior is essential when assessing individuals with cognitive impairments relative to diagnosis and intervention design.
Importantly, the cognitive impairment was selective to the domain of memory, as indicated by their achievement of average-range scores on tests of intelligence, academic attainments, and verbal fluency.
