This document discusses different types of paresis and ataxia. Ataxia is a lack of muscle coordination that can affect movement, speech, swallowing and is usually caused by damage to the cerebellum. Cerebellar ataxia refers to ataxia caused by issues in the cerebellum and can result from various diseases, disorders or medications. Treatments depend on the underlying cause. The document also defines monoparesis as weakness in one limb, hemiparesis as weakness in one side of the body, and tetraparesis as weakness in all four limbs. The causes of these conditions vary and can include stroke, injury or disease.