Fig. 5From: Walking in fully immersive virtual environments: an evaluation of potential adverse effects in older adults and individuals with Parkinson’s diseaseAverage presence questionnaire scores are shown with individual scores. a Average total score. b Average sub-category scores; Involvement/Control, visual fidelity, adaptation/Immersion and interface quality for HY (dark gray bar), HO (light gray bar), and PD (white bar). Vertical bars represent standard deviations. Asterisks represent statistical significance (*: p < 0.05)Back to article page