Darren is trying to fix a toilet that clogged when his young son tried to flush his teddy bear. darren has been plunging the toilet for the last hour and so far it has not worked. despite his lack of success, darren keeps trying the plunger in hopes that it will eventually succeed. darren appears to exhibi

You may have heard the definition of insanity is doing the same behavior over and over again expecting a different result. This is simply not the case here. Here, Darren is actually exhibiting perseveration, a psychological or persistent repetition of a word, gesture or action. Typical of dementia patients, those with traumatic brain injury, anxiety, or OCD tendencies.