Skip to main content
. 2011 Apr 22;211(2):251–263. doi: 10.1007/s00221-011-2681-4

Table 2.

Accelerometry findings at the mastoid site

Acceleration backward Acceleration forward
Fz plus Inion minus Inion plus Fz minus
X Y Z X Y Z X Y Z X Y Z
Ons (ms)
 Mean 2.09** 1.53# 2.18** 2.14** 1.69 2.09 2.31** 1.79 2.32* 1.98* 1.53# 2.09**
 SD 0.54 0.41 0.43 0.39 0.26 0.78 0.30 0.38 0.67 0.54 0.39 0.43
Peak 1 lat (ms)
 Mean 4.99** 3.98# 4.44*## 4.86** 4.11 4.89** 5.08** 4.26 4.96** 5.06**†† 3.89# 4.41**##
 SD 0.46 0.26 0.73 0.56 0.56 0.61 0.35 0.48 0.74 0.57 0.32 0.64
Ons-peak 1 amp (g)
 Mean 0.06** 0.05 0.03 0.05** 0.04 0.03 0.06** 0.04* 0.03 0.05** 0.04 0.03
 SD 0.03 0.03 0.02 0.02 0.02 0.01 0.02 0.02 0.01 0.03 0.03 0.02

Ons onset, Lat latency, Sh mini-shaker, g = 9.81 m s−2

# and ## statistical significance level at P < 0.05 and P < 0.01 for shorter latencies of the acceleration onsets and the first peaks on the Y and Z axes for stimuli applied to Fz in the between-conditions comparisons

* and ** statistical significance level at P < 0.05 and P < 0.01, respectively, for longer latencies of the acceleration onsets and the first peaks on the X and Z axes compared to the Y axis in the within-conditions comparisons

and †† statistical significance level at P < 0.05 and P < 0.01, respectively, for longer latencies of the acceleration first peaks on the X axis compared to the Z axis in the within-conditions comparisons

* and ** statistical significance level at P < 0.05 and P < 0.01, respectively, for higher amplitudes of the first acceleration peaks on the X and the Y axes compared to the Z axis in the within-conditions comparisons