Table 1.

Subject groups and testing conditions

				Training Direction, deg		Gain Value		Target Distance, cm
Group	Experiment(s)	Gain Condition	n	1	2	1	2	Training	Probe
S8	1, 2, 3	Single	7	60 (−150)	—	0.8	—	8, 12	10
S15	1, 3	Single	7	−150 (60)	—	1.5	—	8, 12	10
D815	1	Double	12	60 (−150)	−150 (60)	0.8	1.5	8, 12	10
S6	2	Single	7	−150 (60)	—	0.6	—	5, 9	7
D86	2	Double	11	60 (−150)	−150 (60)	0.8	0.6	5, 9	7
D815-nea	3	Double	10	60 (120)	120 (60)	0.8	1.5	8, 12	10

n, number of subjects. Training direction: first value used for half the subjects in a given group, indicating standardized direction (see methods); second value (in parentheses) used for the remaining subjects.