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. Author manuscript; available in PMC: 2016 Aug 26.
Published in final edited form as: Ann N Y Acad Sci. 2009 May;1164:89–96. doi: 10.1111/j.1749-6632.2009.03845.x

TABLE 2.

Changes in Peak-to-Peak Amplitudes of Head Movements

Head X (cm)
P = 0.006
Head Y (cm)
P = 0.0003
Head Z (cm)
P = 0.0002
Head Yaw °
P = 0.34
Head Pitch °
P = 0.0044
Head Roll °
P < 0.001
Before (n = 14) 1.1 ± 0.3 4.1 ± 0.8 0.5 ± 0.1 6.7 ± 5.7 3.6 ± 0.7 2.4 ± 0.7
After (n = 14) 1.5 ± 0.3 6.2 ± 1.6 1.1 ± 0.3 8.6 ± 4.0 5.7 ± 1.9 4.9 ± 1.3