The impact of extinction timing on pre-extinction arousal and subsequent return of fear

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Figure 1.
Figure 1.

Violin plots for subjective arousal in immediate (n = 52) and delayed extinction (n = 49) revealed a significant time effect and a significant group by time interaction. Participants in the immediate extinction group reported significantly higher subjective arousal before extinction. Subjective arousal significantly decreased from pre-acquisition (pre-acq) to pre-extinction (pre-ext) in the delayed extinction group and from pre-ext to pre-test in the immediate extinction group. (**) P < 0.001. All violin plots were created using the Matlab-function violin.m (Hoffmann 2015).

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