Abstract
A group of eight infants with a disorder termed the IDD syndrome and another group of eight matched healthy infants taken into study at the same time have been followed-up for 6.75 years. The follow-up technique and some findings are described. Three IDD syndrome children are still severely disturbed. Three others show recovery from severe developmental disturbance. But one child who was grossly abused after being taken into the study has been well since the third follow-up. The comparison children have not experienced comparable problems. A qualified affirmative to the question of predictive power is given and discussed.

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