perseveration

Words with a similar base: perseveration

'perseveration'

[perseveration.n.01] as in: the tendency for a memory or idea to persist or recur without any apparent stimulus for it

'perseveration'

[perseverance.n.02] as in: the act of persisting or persevering; continuing or repeating behavior

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Examples:
his perseveration continued to the point where it was no longer appropriate