Research Article

The Association between DRD3 Ser9Gly Polymorphism and Depression Severity in Parkinson’s Disease

Figure 4

Correlation analysis between ALFF values in the right medial frontal gyrus and HAMD-17 scores. ALFF values in the right medial frontal gyrus affected by the interaction between groups and genotypes were positively correlated with HAMD-17 scores (r = 0.489, ) in the Gly carriers in the PD group. Abbreviations: PD, Parkinson’s disease; ALFF, amplitude of low-frequency fluctuations; HAMD, Hamilton Depression Scale.