Pathological processes that affect voice production, usually involving VOCAL CORDS and the LARYNGEAL MUCOSA. Voice disorders can be caused by organic (anatomical), or functional (emotional or psychological) factors leading to DYSPHONIA; APHONIA; and defects in VOICE QUALITY, loudness, and pitch.

Synonyms: Neurologic Voice Disorder, Disturbance, Voice, Fatigue, Voice, Voice Fatigue, Disturbances, Voice, Voice Disorders, Fatigues, Voice, Voice Disturbance, Voice Disorder, Neurologic, Neurologic Voice Disorders, Voice Disturbances, Voice Disorders, Neurologic, Voice Fatigues, Voice Disorder