MODEL RELEASED. Speech therapy. Boy practising producing sounds during a session with a speech therapist. The therapist is holding a mirror to provide the boy with visual feedback about the position of his lips. Successfully produced sounds will be rewarded and reinforced with play. Speech therapy is used to treat abnormally developed speech or to correct incoherent speech resulting from an accident or an illness. The therapist is from the Speech Therapy Department of the University of Newcastle, England.