ataxia definition medical dictionarydefine ataxia medicalacute cerebellar ataxia treatmentinherited cerebellar ataxiaparaneoplastic cerebellar ataxiacerebellar ataxia curecerebral ataxia prognosishereditary cerebellar atrophyprogressive cerebellar atrophyidiopathic cerebellar degenerationcerebellar degeneration syndromehereditary cerebellar degeneration