Fig. 8.

After acute treatments with combined D₁-class and D₂-class dopamine receptor agonists, the best predictor of motor stereotypy is the relative predominance of Fos expression in the striosomal compartment (ISMP value). Scatter plots representing individual data points for all animals included in the agonist–dose experiment and regression lines relating measures of Fos activation in the caudoputamen (abscissa) and stereotypy values (ordinate). The number at the top right corner of each plot is the Spearman correlation value (**p < 0.01). Med Matrix, Medial matrix; Lat Matrix, lateral matrix; Med Striosomes, medial striosomes; Lat Striosomes, lateral striosomes; Med ISMP, medial ISMP; Lat ISMP, lateral ISMP.