Table 1.

Summary of full-cycle direction detection thresholds (in units of cm/s2)

Otolith afferents
RegularIrregular
LR29.54 ± 2.16 (geometric SD) (n = 29)19.76 ± 2.42a (geometric SD) (n = 10)
NO32.86 ± 2.17 (n = 25)18.27 ± 1.72 (n = 8)
DV28.65 ± 2.36 (n = 22)5.67 ± 1.68 (n = 3)
LR/NO/DV direction with largest response (Fig. 4C)17.35 ± 1.58 (geometric SD) (n = 30)10.13 ± 1.67 (geometric SD) (n = 11)
Three-dimensional PD (intercept in Fig. 4D)7.54 (4.70–11.16) (95% CI)3.01 (1.44–6.06) (95% CI)
  • aThis average includes one data point with very high threshold, whose Δ (3D − PD) = 90° (see Fig. 4D).