The National Institute of Mental Health keeps reward and low mood in https://www.bhnet.org/72971/the-national-institute-of-mental-health-keeps-reward-and-low-mood-in-separate-research-domains-and-people-who-cant-simply-decide-to-feel-better-arent-lacking-willpower-or-gratitude-theyre-dealing/ …
The National Institute of Mental Health keeps reward and low mood in separate research domains, and people who can't simply decide to feel better aren't lacking willpower or gratitude, they're dealing with a symptom that responds more slowly than sadness - Behavioral Healthcare NetworkThe National Institute of Mental Health keeps reward and low mood in separate research domains, and people who can't simply decide to feel better aren'twww.bhnet.org