Figure 1

Graphical description of the emotional olfactory Go/No-Go task in (a) Experiment 1 and (b) Experiment 2 [the redā+ā(sniff cue) is represented in grey colour]. In control trials only, clean air is presented continuously. The methional (in Experiment 1) and civet (in Experiment 2) odours were excluded from the main analyses (please refer to the Materials and Methods section for details about the odour stimuli).