Aphasia - loss of language generally resulting from stroke, brain tumor, and/or head injury.

Augmentative Communication - equipment to foster communication for non-verbal communicators.

Articulation - disordered pronunciation.

Cerebral Palsy - congenital neuromuscular disorder.

Cleft Palate - congenital malformation of lip and/or palate.

Dysarthrias and Apraxias - motor speech disorders secondary to brain damage.

Dysphagia - disorders of swallowing.

Hearing Impairment - delayed or disordered speech, voice or language secondary to poor hearing acuity.

Language Delay/Disorder - slowed or inadequate language development.

Laryngectomy - removal of larynx due to cancer.

Non-verbal - persons who are unable to communicate through speech/voice.

Stuttering - disturbance in rhythm of speech usually recognized in sound, syllable, word repetitions, prolongations, and/or blocks.

Voice Disorders - vocal cord nodules, polyps, ulcers, vocal abuse, muscle tension dysphonia, paradoxical vocal cord movement, etc.