Fig. 3: Configural fear memory acquisition.
From: Attenuating human fear memory retention with minocycline: a randomized placebo-controlled trial

A Pupil dilation and B normalized CS onset-evoked SCR in the acquisition training. Only data from non-reinforced trials are included. Black crosses represent the group meansā±āSEM of the difference between CS+ and averaged CS- over all four CS- conditions.