Acquired dyslexia: patterns of deficit and recovery

These preliminary results are concerned with the quantitative description of recovery of function and the shape of the recovery curve. Four patients, in whom dylexia was the salient residual symptom of cerebral damage, are described. Individual differences in the pattern of dyslexic error and the time course of recovery are discussed; and recovery--as measured by longitudinal studies of performance in reading tasks--is analysed in terms of a model which takes into account rate of learning and the eventual asymptote. It is suggested that these or analogous techiques may be relevant both for the design of remedial programmes and for problems of prognosis.