Defective articulation due to faulty learning or to abnormality of the external speech organs and not due to lesions of the central nervous system.
A disorder of speech, caused by an unusual development of the tongue.
A speech disorder in which the patient uses a vocabulary or range of sounds that is peculiar to him. It is a feature of the defective speech acquired by children who have been aphsisic from birth.
Impairment of speech due to a defect of the speech organs.
Difficulty or limitation in speech articulation caused by a neurological disorder.