- perseveration - the tendency for a memory or idea to persist or recur without any apparent stimulus for it
--1 is a kind of inclination, disposition, tendency
Derived form: verb persevere1 - perseverance, persistence, perseveration - the act of persisting or persevering; continuing or repeating behavior; "his perseveration continued to the point where it was no longer appropriate"
--2 is a kind of continuance, continuation
Derived forms: verb perseverate1, verb persevere1