Figure 4.

Change Scores during Challenge (MSG minus Placebo) for Anxiety, PTSD, and Depression Symptoms. Positive change score indicates increased reporting of symptoms during MSG challenge, while negative change scores indicate increased reporting of symptoms during placebo. Minimal/mild, Moderate, and Severe categories were determined by baseline symptom severity. ^*p < 0.05, ^**p < 0.01, ^***p < 0.001 (uncorrected). Solid line, LS mean difference during placebo. Dotted line, LS mean difference during MSG.