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. Author manuscript; available in PMC: 2015 Jun 14.
Published in final edited form as: Biol Psychol. 2014 Jun 11;100:97–105. doi: 10.1016/j.biopsycho.2014.06.001

Fig. 1.

Fig. 1

A schematic depiction of the fear conditioning and extinction tasks using female and male facial cues. CS+: conditioned stimulus, CS−: safety cue, US: unconditioned stimulus.