Table 2

Estimated trends of neurobehavioural test performance per 100 mT using a continuous mixed effects model adjusted for session, gender and ever experienced mild motion sickness symptoms (N=30)

DomainTestMeasureInterceptBeta per 100 mTLower CIUpper CIp Value
MemoryRBMT immediateWords10.5−0.03−0.14 0.08 0.63
RBMT delayed 9.9−0.08−0.180.020.12
RBMT ∆ in % 95.6−0.74−1.550.060.07
MCG immediatePoints35.7−4.8×10−3 −0.040.030.76
MCG delayed 23.50.05−0.120.200.58
MCG ∆ 12.2−0.04−0.210.120.60
Letter–number 1Points50.9−0.34−0.710.640.92
Letter–number 2 46.00.08−0.590.760.81
Letter–number ∆ 5.1−0.16−1.080.760.73
AttentionSymbol cancelSpeed77.4−0.36−1.460.740.52
Reaction time task simpleReaction326−0.08−1.050.980.87
Motion2080.27−0.671.220.56
Disengagement1242.741.583.90 0.00
Reaction time task complexReaction386−0.77−1.820.270.14
Motion2350.29−0.701.270.56
Disengagement1221.170.401.95 0.00
Reaction time task inhibitionReaction422−0.50−1.720.720.42
Motion2331.17−4.8×10−3 2.35 0.05
Disengagement1261.120.331.91 0.01
Spatial orientationRoadmapTime* 42.12.1×10−4 −2.7×10−3 2.3×10−3 0.87
JULOErrors* 2.1−0.01−0.023.8×10−3 0.17
Line bisectionDeviation 101.50.079.6×10−4 0.14 0.05
HapticKappersDeviation53.80.14−0.540.820.68
VisualVisual trackingTime* 34.41.3×10−3 −1.9×10−3 4.5×10−3 0.43
F.A.C.T.1.5* 309.0−1.6×10−3 −4.4×10−3 1.3×10−3 0.28
3.0* 416.92.8×10−3 −2.2×10−3 7.7×10−3 0.27
6.0* 300.6−2.8×10−3 −9.6×10−3 4.1×10−3 0.42
12.0* 81.37.5×10−3 −2.5×10−3 0.020.14
18.0* 26.9−0.01−0.031.9×10−3 0.09
VisuomotorPursuit aiming smallSpeed152.30.17−0.190.530.36
Precision81.6−0.15−0.400.100.24
Pursuit aiming largeSpeed162.70.15−0.200.490.40
Precision94.8−0.09−0.250.070.26
  • Statistical significance (p≤0.05) is indicated by bold p values.

  • * Back-transformed results; analysis based on log10-transformed data.

  • Model was adjusted for session, gender, motion sickness and hand preference.

  • mT, milliTesla.