ASD subjects’ profile. Each ASD subject’s PPA performance box is colored with the correspondence of range percentile. Light gray to dark gray corresponds with better to worse performance. Abbreviations: yrs, years; VAhc, visual acuity high-contrast; VAlc, visual acuity low-contrast; EC, edge contrast sensitivity; DP, deep perception; P, proprioception; TS, tactile sensitivity; RTh, hand reaction time; RTf, foot reaction time; AD, ankle dorsiflexors force; KE, knee extensors force; KF, knee flexors force; Sfl eo, sway on floor eyes open; Sfl ec, sway on floor eyes closed; Sfo eo, sway on foam eyes open; Sfo ec, sway on foam eyes closed; CS, coordinated stability test; MB, maximum balance range test. * indicates the percentile scale was inverted so that all items scoring over the 90th percentile indicated poorer performance.