what subsystems are affected by ataxic dysarthria
Dysarthria is a motor speech disorder. It results from impaired movement of the muscles used for speech production, including the lips, tongue, vocal folds, and/or diaphragm. The type and severity of dysarthria depend on which area of the nervous system is affected. person with dysarthria may demonstrate the following speech characteristics:  1 Slurred, choppy, or mumbled speech that may be difficult to understand. 2  Slow rate of speech. 3  Rapid rate of speech with a mumbling quality. 4  Limited tongue, lip, and jaw movement.