Fig. 1From: Combined subthalamic and nucleus basalis of Meynert deep brain stimulation for Parkinson’s disease with dementia (DEMPARK-DBS): protocol of a randomized, sham-controlled trialVisit schedule of DEMPARK-DBS: Icon “flash” = ‘activation’ or ‘active’ DBS. PREBASE, presurgical baseline visit; POSTBASE, postsurgical baseline visit; SCR, screening visit; V1, Visit 1; V2, Visit 2; V3, Visit 3Back to article page