Table 1 Four different states during the experiment.

From: Reduction in EEG theta power as a potential marker for spatial disorientation during flight

Subject report/Chair state

Chair steady

Chair moving

Subject reported no movement

1 – Stationary reference

2 – Illusion

Subject reported movement

3 – Illusion

4 – Motion reference

  1. Analyses compared state 1 (stationary reference) to state 3 (somatogyral illusion). These states are highlighted in bold.