Do tasks of attention augment rigidity in mild Parkinson disease?
Tasks of effortful attention did appear to augment rigidity in patients with mild Parkinson disease. We speculate that the greater augmentation seen with the Froment maneuver could have an anatomic basis.
Since these scales are in strong agreement with one another in diagnosing ADHD, assessment becomes an issue of which scale is the least time-consuming and most pragmatic for the evaluator to use.