The region was renamed nidopallium in 2002 during the Avian Brain Nomenclature Consortium because the prior name, neostriatum, suggested that the region was used for more primitive functions as the neostriatum in mammalian brains is sub-cortical.
The region's name was altered in 2002 from neostriatum to nidopallium by the Avian Brain Nomenclature Consortium to avoid suggesting that it handled more basic functions, a characteristic of the neostriatum in mammalian brains.