Table 1

Descriptives of reaction times for the first saccade, error rate, gain of the first saccade (ratio of actual saccade amplitude divided by the desired saccade amplitude), and peak saccadic velocity for the prosaccade and antisaccade condition for the young and old group

	Young group (n = 20)								Old group (n = 20)
	Prossacade condition				Antisaccade condition				Prossacade condition				Antisaccade condition
	Mean	SD	Min	Max	Mean	SD	Min	Max	Mean	SD	Min	Max	Mean	SD	Min	Max
Reaction time (ms)	268	83	51	790	303	88	51	786	309	118	51	796	360	130	51	794
Error rate (%)	1.3	1.92	0	10	7.83	6.54	0	27.5	5.35	5.31	0	21.6	17.2	14.7	0	57.4
Gain of the saccade (ratio)	0.81	0.18	0.01	2.58	0.79	0.22	0.01	3.48	0.76	0.28	0.01	3.07	0.7	0.32	0.01	4.03
Peak saccadic velocity (°/s)	331	229	45	3270	326	259	5.0	3270	288	193	44.0	3270	267	210	44	3270