Table 2

Background conditions for each of the six visits. On visits 3 to 6, the order of conditions C, D, E, and F are randomized.

Visit
Condition
Optic Flow
Contrast
Spatial Frequency

1
A
No
None
None
2
B
No
High
Low
3
C
Yes
Low
Low
4
D
Yes
Low
High
5
E
Yes
High
Low
6
F
Yes
High
High

Sparto et al. Journal of NeuroEngineering and Rehabilitation 2004 1:14   doi:10.1186/1743-0003-1-14