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asocial symptoms; I I anxiety neuroses; I 7 others.' The group as a whole came into hospital at a later age than the oligophrenics and psychotics, usually be tween the ages of 9 and i 2, and a third had had symp toms for five years or longer. One of the surprising findings in this study is the prevalence of organic brain damage : 30 per cent of the whole intake and I 7 per cent of the neurotics are so diagnosed. Seventy-one of the cases had both electro-encephalograms and pneumo-encephalo grams, and there was little correlation between the