Perseverate

[Slava]

From dictionary.com:

verb (used without object), -at⋅ed, -at⋅ing.
to repeat something insistently or redundantly: to perseverate in reminding children of their responsibilities.
Origin:
1910–15; back formation from perseveration

1. Psychology
1. 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.
2. The tendency to continue or repeat an act or activity after the cessation of the original stimulus.
2. The act or an instance of persevering; perseverance.

I just watched "The Aviator" and perseveration appears several times in the person of Mr. Hughes.

[skinem]

Thanks--I didn't know this word.
Good one!