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. Author manuscript; available in PMC: 2009 Aug 19.
Published in final edited form as: Vision Res. 2004 Apr;44(9):895–902. doi: 10.1016/j.visres.2003.11.006

Table 2.

Averaged accuracy of detecting a blink of the fixation cross hair on fixation trials

Observer With test spot Without test spot
HB 88.3% (N = 3) 92.5% (N = 4)
SC 72.5% (N = 4) 73.8% (N = 4)

The numbers in parenthesis denote the number of blocks of 20 trials for each condition.