Figure 2.

Average (± 1 StdDev) deviations of subjective haptic vertical relative to earth-vertical are plotted against head roll, including data from all tested subjects. Head-roll angles from 0 to 360° increase in CW direction. Blue circles: averages from trials with CW rotation. Red squares: averages from trials with CCW rod rotations. Dashed line: perfect earth-vertical rod adjustments.

Schuler et al. BMC Neuroscience 2010 11:83   doi:10.1186/1471-2202-11-83
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