Chapter 15 The Effect of Eye Closure on Postural Sway: Converging Evidence from Children and a Parkinson Patient

Publisher This chapter focuses on postural sway and discusses what happens to performance when one attempts to stand with eyes closed versus eyes open. Sway is the phenomenon that results from continual small deviations from the vertical and subsequent attempts to correct these deviations. When standing quietly, all human beings sway and this has formed the basis of many experimental tests and clinical assessments for over a century. When …