A developmental process, independent of morphogenetic (shape) change, that is required for the central nervous system to attain its fully functional state. The central nervous system is the core nervous system that serves an integrating and coordinating function. In vertebrates it consists of the brain and spinal cord. In those invertebrates with a central nervous system it typically consists of a brain, cerebral ganglia and a nerve cord. [ GOC:dph https://www.worldcat.org/search?q=bn%3A0582227089 GOC:jid GOC:cls GOC:dgh http://purl.obolibrary.org/obo/go/references/0000021 ]

This is just here as a test because I lose it