coordination exercises for ataxiamedication for cerebellar ataxiaacute cerebellar ataxia treatmentfrenkel exercises for ataxiainherited cerebellar ataxiaparaneoplastic cerebellar ataxiacerebellar ataxia curecerebral ataxia prognosishereditary cerebellar atrophyprogressive cerebellar atrophyidiopathic cerebellar degenerationcerebellar degeneration syndrome