Although numerous articles have been written on the subject of chorea in children, the important and often serious neuropsychiatric aspects of this disease have not been adequately emphasized. When we describe the sudden, irregular, purposeless, incoordinate movements of chorea we should realize that the mental disturbances are apt to be of an emotional nature of similarly irregular type. These emotional disturbances may incapacitate the child and assume an equal or greater significance than the well known motor symptoms of the disease. The personality of the child may suffer after he has passed through a period of lack of motor control, and this may be shown by various defects of adjustment, including a relationship to juvenile delinquency. The interference with school progress during the receptive period of the child may assume great importance in the later adaptation of the child. The material used for this report includes thirty-two school children referred