Table 2.

Measures of eye movements

Sub	Mean no. of saccades (SEM)		Mean saccades amplitude (SEM)		Standard deviation of distance from fixation (SEM)
	Target-absent	Target-present	Target-absent	Target-present	Target-absent	Target-present
Sub4	6.54 (0.60)	6.23 (0.62)	2.58 (0.32)	2.62 (0.30)	1.46 (0.35)	1.54 (0.37)
Sub5	0.52 (0.31)	0.49 (0.28)	1.81 (0.43)	1.66 (0.26)	0.56 (0.53)	0.19 (0.10)
Sub6	2.76 (0.75)	2.52 (0.70)	2.22 (0.39)	2.20 (0.38)	0.85 (0.31)	0.80 (0.28)
Sub7	3.93 (0.74)	3.83 (0.70)	2.09 (0.26)	2.14 (0.26)	0.87 (0.31)	0.88 (0.31)
Sub8	3.88 (0.57)	4.02 (0.56)	1.88 (0.20)	2.05 (0.22)	0.73 (0.21)	0.89 (0.22)
Sub9	6.56 (0.82)	6.65 (0.80)	3.79 (0.52)	3.80 (0.48)	2.67 (0.49)	2.75 (0.48)
Sub10	4.77 (0.92)	4.68 (0.87)	1.73 (0.21)	1.74 (0.23)	0.54 (0.19)	0.54 (0.20)
Sub11	2.77 (0.57)	2.92 (0.52)	3.37 (0.57)	3.74 (0.50)	1.38 (0.42)	1.44 (0.39)
Sub12	4.10 (0.86)	4.16 (0.86)	4.85 (0.53)	4.80 (0.53)	2.97 (0.57)	2.72 (0.57)
Mean	3.98 (0.63)	3.94 (0.63)	2.70 (0.36)	2.75 (0.37)	1.34 (0.30)	1.31 (0.30)