Dysarthria and anarthria are speech disorders caused by brain damage affecting the muscles that control speech. Conditions such as stroke, traumatic brain injury, and Parkinson's disease can lead to ...

Tic disorders are conditions featuring sudden, non-rhythmic movements or vocalizations. A formal tic disorder diagnosis is determined by tic frequency, duration, and type. Tics are non-rhythmic ...

A neurologic disorder is any condition that affects the brain and nerves throughout the body. Common neurologic conditions in children include epilepsy, cerebral palsy, attention deficit hyperactivity ...

Apraxia of speech is a motor speech disorder that can make speaking difficult. It affects the brain pathways involved in speech and can cause problems with coordinating the movements necessary for ...

This post was co-authored with Malak Elmessiry, Jessica Chuang, and Anayeli Huerta. According to UNESCO, more than half of the world population is bilingual or multilingual. At some point in life, ...