Schenectady, NY.Yates Arts-in-Education Magnet School (urban elementary school) .Grade 4 .Example of perseverating (repeated meaningless behavior) in student's written schoolwork. Student has overwritten the letters and numbers repeatedly on this classroom assignment. Perseverating can be manifested in a wide variety of behaviors; here it is in writing while often it is seen in speech. Perseverating behaviors may be observed in people with autism or OCD (obsessive-compulsive disorder). .©Ellen B. Senisi