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Affection testing scales.
| Affection | Testing scale | Literature |
| Depression | Geriatric Depression Scale (GDS) | Burke et al., 1991 |
| Anxiety | Neuropsychiatric Inventory Questionnaire (NPI-Q) | Boada et al., 2002 |
| Hamilton Anxiety Scale (HAMA) | Thompson, 2015 | |
| Indifference | Neuropsychiatric Inventory Questionnaire (NPI-Q) | Boada et al., 2002 |
| Dimensional Apathy Scale (DAS) | Radakovic and Abrahams, 2014 |
