名詞 perseveration:

1. the tendency for a memory or idea to persist or recur without any apparent stimulus for it
2. the act of persisting or persevering; continuing or repeating behavior
   同義詞：perseverance, persistence

per.sev.er.a.tion

n.（名詞）
Psychology
【心理學(xué)】
Uncontrollable repetition of a particular response, such as a word, phrase, or gesture, despite the absence or cessation of a stimulus, usually caused by brain injury or other organic disorder.
持續(xù)癥，言語重復(fù)癥：對一種特定的反應(yīng)難以控制的重復(fù)，如一個(gè)詞、短語或手勢，盡管沒有受刺激或終止刺激，通常由腦部受傷或其他器官的紊亂引起
The tendency to continue or repeat an act or activity after the cessation of the original stimulus.
持續(xù)重復(fù)癥：在最初的刺激停止后，繼續(xù)或重復(fù)某個(gè)行為或活動(dòng)的傾向
The act or an instance of persevering; perseverance.
執(zhí)拗，頑梗：執(zhí)拗的行為或事例；鍥而不舍