Estimated marginal means of points of subjective equality (PSEs) for Parkinson’s disease (PD) patients in experiments 1 and 2. CaoRuihua YeXing ChenXingui ZhangLong ChenXianwen TianYanghua HuPanpan WangKai 2015 <p>Effects of subgroup [early-stage vs. late-stage PD] and task [canonical vs. scrambled biological motion (BM) condition] on PSEs and their interactions.</p>