Glossary, Author at Glossary - Page 2955 of 7831

Aphthosis

Any condition characterized by aphthae.

Inability to speak due to spasm of muscles controlling speech.

A silent letter or combination of letters in a written word.

Inability to speak or understand phrases. The inability to speak in sustained sentences or phrases, often stemming from a nervous disorder.

A subjective visual perception of darkness or of a shadow.

Aphonia resulting from spasm of the vocal muscles, especially that initiated by efforts to speak.

Loss of speech following laryngectomy. Restoration of speech is accomplished with speech synthesizers and speech therapy.

Aphonia due to somatoform disorders. There is no organic defect.

A person who studies the pathology of language and the production of speech and written language.

An individual affected with aphasia.