Table 1.

First experiment: behavioral parameters

Stimulus parameters						% correct responses
ldlo		lo	ld	ro	rd	ldlo		lo	ld	ro	rd
angle	disp	angle	disp	angle	disp	lo	ld
± 1.71	± 0.23	± 1.64	± 0.21	± 1.69	± 0.24	85.3	89.3	89.2	88.2	85.8	84.5
0.47	0.06	0.34	0.06	0.45	0.07	7.5	4.0	5.9	6.2	7.2	7.5

Angle parameters expressed as degrees rotation from horizontal or vertical, displacement (abbreviated disp) parameters as degrees visual arc from frame center, and accuracies in percentage of correct responses. Top row, group averages; bottom row, SD.