CACNA1E and deafness: Mutations in the genes encoding spectin isoforms give rise to neurodegenerative ataxias (βIII-spectrin), neurodevelopmental and behavioral deficits (βII and βIII-spectrin) and deafness (βIV- and βV-spectrin) (Cousin et al., 2021; Morrow and Stankewich, 2021; Teliska and Rasband, 2021).