orientaton Congruent wall Reversed wall Wall tilted Floor 合 4.2 但 6,1 Erect to inverted Erect to recumbent CHAIR PITCH 台网 日 但 Inverted to recumbent Inverted to supine Inverted to pron CHAIR ROLL 7,2 Recumbent to erect Recumbent to inverted Noillusion Recumbent to supine Recumbent to prone 功目 如国回 CHAIR PITCH CHAIR PITCH 围 Prone Prone to recumbent Means 5.8 16.423 SBE(Neuro16.423 SBE (Neurovestibular Countermeasures) 11/14/00 Room surface seen by subject Inverted to supine Ceiling Floor 0/6 3, 3 0, 1 No illusion 0, 1 No illusion Recumbent to supine 7.5 , 3 7, 2 Recumbent to prone 3, 2 Prone to supine 3, 3 Supine to prone 4, 2 Upright to prone 6, 2 Upright to supine 8, 1 Inverted to prone 4.2 5 5.9 4.6 3.2 3.9 4.4 Upright Inverted Congruent wall Reversed wall Wall tilted 90Þ Supine Prone 1, 1 No illusion 0, 0 No illusion 0, 1 No illusion 7, 1 Recumbent to inverted 8.5 , 0 Recumbent to erect 4, 3 Prone to recumbent Erect to recumbent 5, 1 6, 1 Erect to inverted 5, 3 Inverted to recumbent 8, 4 Inverted to erect 9, 2 Supine to erect 6, 3 Supine to inverted 5, 0 Supine to recumbent 3, 0 Prone to erect 6, 1 Prone to inverted 5.8 5.2 4 Recumbent Subject orientation Means Means CHAIR PITCH BED CHAIR ROLL BED CHAIR PITCH CHAIR PITCH