Correlation of labeling with symptom score and component loadings from principal component analysis with equamax rotation.

Bold type is used to highlight regions with strong negative or positive correlations between the number of Fos-immunopositive neurons and symptom severity scores. Bold type also designates large positive component loadings; bold and italicized type designates negative component loadings. TPH2: Tryptophan hydroxylase 2, a marker of brain serotoninergic neurons.