The Southern Health and Social Services Board is one of four in the province and encompasses three administrative areas. The survey included ascertained mild cases of learning disability, and both ascertained and unascertained individuals functioning at levels below IQ 50. The prevalence of mild learning disability is within the limits reported in the literature and is discussed in the context of the 'new morbidity'. However, the rates of severe learning disability (IQ < 50) in all three areas are high--between 7.9 and 10.2 per 1000 in the 15-19-years-old age group--and confirm the findings of an earlier survey. Half of all cases live at home in 'intact' families. In families with a sole carer, the mother is seven times more likely to fill the role than the father.
Published reports on sulthiame have been primarily concerned with its effects as an anticonvulsant. Some investigators have also examined behavioural changes brought about by its use. For example, Haran (1962) found that it reduced irritability and violent behaviour, and generally improved the sociability of epileptic patients. Ingram and Ratcliffe (1963) found that the hyperkinetic behaviour of 16 out of the 18 patients in their sample was either ‘abolished’ or improved. Working with a larger group, Liu (1966) noted ‘over-all clinical improvement’ in the behaviour of 32 out of 50 cases. Kneebone (1968) claimed that 12 out of a total of 18 hyperkinetic children had 'significantly improved behaviour’ with sulthiame.
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