A speech disorder involving difficulties in articulating specific types of sounds. Articulation disorders often involve substitution of one sound for another, slurring of speech, or indistinct speech. Treatment is speech therapy.

refers to any disorder of speech involving the substitution, omission, distortion, or addition of basic speech sounds (phonemes). See also dysarthria- phonological disorder- speech disorder.

Individual sounds and the pieces of words that make up language (phenomes) typically develop by a particular and 'normal' range of age. If a child hasn't reached the developmental miles [..]

Disorders of the quality of Speech characterized by the substitution, omission, distortion, and addition of phonemes.

Characterized by the inability to produce individual speech sounds clearly and difficulty combining sounds correctly for words.