Figure 4From: Induction of compulsive-like washing by blocking the feeling of knowing: an experimental test of the security-motivation hypothesis of Obsessive-Compulsive DisorderHeart Rate as a function of Time of Measurement and Potential Harm. Mean with an asterisk is significantly different from every other mean, p < .05. The suggestion of Potential Harm increased participants' heart rates compared to the control suggestion; this increase disappeared once the participants had washed their hands.Back to article page