Correlations between anhedonia and demographic, clinical, neuropsychological, and neuroradiological variables.
| Physical Anhedonia Scale | |
|---|---|
| UPDRS, Unified Parkinson’s Disease Rating Scale. | |
| Age | −0.26 |
| Education | 0.23 |
| UPDRS part III | 0.01 |
| Disease duration (months) | −0.37 |
| Dementia Rating Scale | −0.17 |
| Letter verbal fluency | 0.19 |
| Category verbal fluency | −0.03 |
| Executive Interview | −0.39 |
| Spatial Span | 0.17 |
| Geriatric Depression Scale | −0.23 |
| Apathy Scale | −0.17 |
| Bifrontal Index Cortex/Head | 0.18 |
| Bifrontal Index Ventricles/Head | 0.18 |