A test of cerebellar function wherein the patient is asked, while keeping the eyes open, to touch the nose with the finger and remove the finger, and repeat this rapidly. The test is done by using a finger of each hand successively or in concert. How fast and well this is done is recorded. This test assesses the function of the cerebellum.
The person is asked, with eyes closed, to touch the tip of the nose with the tip of the index finger. This test is part of the standard neurologic exam.