perseverate

During another, he announces, "I perseverate."

Less able older readers tend to perseverate with grapho-phonemic approximations, whereas the younger, better readers use more mature strategies.

Accordingly, patients with jargon aphasia often use neologisms, and may perseverate if they try to replace the words they can't find with sounds.

In general English, perseveration (vb: "to perseverate") refers to insistent or redundant repetition, not necessarily in a clinical context.

Patients with OFC dysfunction, however, continue to perseverate with the bad decks, sometimes even though they know that they are losing money overall.