Fig. 8

Subjective feelings based on the Profile of Mood States 2 (POMS 2) questionnaire. The seven subscales of the POMS 2 test and the total mood disturbance (TMD) score were assessed after viewing vertical and horizontal wooden-wall images and a gray image (control). Values are means ± standard errors (N = 28). *p < 0.05 (Wilcoxon signed-rank test with the Holm correction). A–H anger–hostility, C–B Confusion–bewilderment, D–D depression–dejection; F–I fatigue–inertia, T–A tension–anxiety; V–A vigor–activity, F friendliness