Characterized by failure to use developmentally expected speech sounds that are appropriate for age and dialect. Speech sounds may be omitted, substituted, or distorted, as in saying “w” for “r” or “f” for “th.”
Formerly called developmental articulation disorder, this illness is characterized by a failure to articulate appropriate speech sounds for a person’s age and dialect, which interferes with his or her communication. Speech onset may be delayed in young children. Lisping and misarticulation are common, along with errors of word or sound selection. Mild cases often improve without treatment, which consists of speech therapy.
A disorder in which the individual does not use speech sounds that are appropriate for age and dialect. The disorder may involve production, use, organization, or omission of sounds.