The occurance of aphasia in adults and children is discussed along with therapeutic measures. An orientation of what aphasia is and the problems it presents for adults is followed by a statement of present methods of retraining. Consideration is given to an evaluation of defects, attitudes and techniques in retraining, group therapy, and utilization of personalized notebooks. Visual and auditory aids, auditory recognition, naming and recall, motor speech patterns, oral formulation, jargon and garbled language, reading recognition, and comprehension, writing, and arithmetic are also discussed. Special problems inherent in children are mentioned with information addressed to parents. Also included are presentations on the evaluation of defects, special techniques, group therapy involving children, therapy materials, training for visual and auditory recognition, naming, formulating concepts, articulating, and reading, writing, and arithmetic. (JM)