Figure 3 | Scientific Reports

Figure 3

From: Smokers show increased fear responses towards safety signals during fear generalization, independent from acute smoking

Figure 3

Day 2 mean US expectancy for grouped stimuli. Participants rated their US expectancy trialwise during the generalization test on day2 for CS+, CS− and the eight generalized stimuli in between (GS2–GS9). Rating results from the non-smoking group were used to define the grouping of stimuli. Stimuli that did not differ from CS+ were grouped as CS + like (CS+, GS2, GS3), stimuli that differed between CS+ and CS− were grouped as ambiguous (GS4–GS7) and stimuli that did not differ from CS− were grouped as CS-like (CS8, GS9, CS−). There is a trend towards a group difference between smokers and non-smokers when comparing CS− like stimuli during the generalization test on day 2. No differences were found between smokers and non-smokers for CS+ like and ambiguous stimuli.

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