There are multiple definitions:
Sleep Hygiene Awareness and Practice Scale(English)
Snaith-Hamilton pleasure scale(English)
- used to study hedonic tone in patients. Anhedonia has been proposed as a specific mood disorder related to the dopaminergic nerve dysfunction
- PD, SRQ-D
- Emotional aspects, Depression, Parkinson, Scoring systems/scales, Gerontology/Geriatrics
- https://doi.org…94.2010.00678.x