Figure 2.
Emotional valence (valence ratings, corrugator EMG, startle) and arousal (arousal ratings, skin conductance response [SCR]) reactions to pictures in the absence of pain testing. Emotional modulation of noise ratings is depicted in the bottom right graph. HC=pain-free healthy controls, RA= participants with rheumatoid arthritis, FM=participants with fibromyalgia. *p<.05