Effects of Visual Attention on Tactile P300 BCI

Table 3

The scores given by the 11 participants to the two questions for each stimulation condition.

Participants	Difficult		Tired
	VA-C	NVA-C	VA-C	NVA-C
P1	2	5	1	3
P2	2	4	1	3
P3	3	4	1	2
P4	3	4	1	3
P5	4	5	1	2
P6	3	4	2	3
P7	4	5	2	4
P8	3	4	1	3
P9	3	4	2	4
P10	4	5	1	2
P11	3	4	2	4
AVG ± STD	3.09 ± 0.70	4.36 ± 0.50	1.36 ± 0.50	3.00 ± 0.77

AV-C refers to VA condition, NVA-C refers to NVA condition, AVG refers to average, and STD refers to standard deviation.