The personality structure of the mentally deficient child presents fundamental differencesfrom that of the normal child. In the present article “Particularities of personality and socio-affectivebehavior in the mentally handicapped” the emphasis is placed on the personality model, personalitydisorders, as well as the affective processes in the mentally handicapped child. Unlike the intellectuallynormal child, the mentally deficient child does not present those gradual and successive passages, thatplasticity and mobility from one process to another. In addition to the quantitative differences, there arequalitative differences between children with mental deficiency and normal children, with a negativeimpact on the process of adaptation and integration in the community
