Familiarity revealed by involuntary eye movements on the fringe of awareness.

As shown, the msRT for the familiar face was ~60 ms longer than for each of the other faces, with a highly significant group average effect of 73 ms when comparing the familiar face to the average of all non-familiar faces (Fig. 3a , left panel, p = 0.0005 in a non-parametric permutation test, see Methods).

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