Figure 3.

Combined movement time in control and NPH subjects. Plot of mean combined movement times (s) of all Control and NPH subjects at baseline and at a time following CSF drainage in NPH subjects with controls retested at the same time (means ± SEM). As a group, NPH subjects were bradykinetic compared with controls and demonstrated greater disparity between self- and stimulus-initiated movement times. As a group, no significant improvement was seen in MTs following CSF drainage in NPH subjects, but repeat measures analysis demonstrated significant improvement in a subgroup.