Mathuranath, PSThomas, SV2017-03-102017-03-10199846 ,1;5-14https://dspace.sctimst.ac.in/handle/123456789/9850Inherited ataxias constitute a large group of neurological diseases, Refinement in the classification and understanding of these diseases has been taking place in the recent years with advancement in molecular genetics. This review highlights the evolution and correlation of various classifications, phenotype and genotype correlation, mechanisms of phenotypic heterogeneity, and recent advances in the understanding of some of the commoner entities, in inherited ataxias.Neurosciences & Neurology