Safety signals reinforce instrumental avoidance in humans

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Figure 5.
Figure 5.

Results from Experiment 5 comparing avoidance responses to obtain a response-produced safety signal relative to a new dissimilar signal. (A) Training data depicting avoidance responses to the CSs+ and CSs−. Each block contains three trials. Participants made more responses to the CSs+ across blocks compared to the CSs−. (B) Test data showing avoidance responses (new response compared to training) to the Gabor that was followed by the trained safety signal versus responses to a Gabor that was followed by a new dissimilar signal. Participants made more responses to obtain the trained safety signal relative to the new dissimilar signal. Error bars depict standard error of the mean.

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