Gambling Research Exchange Ontario has covered Luke’s review article on the mechanism behind reward uncertainty in behavioural addiction:
https://www.greo.ca/Modules/EvidenceCentre/Details/how-do-reward-mechanisms-affect-behavioural-addictions
Paper: Clark, L., & Zack, M. (2023). Engineered highs: Reward variability and frequency as potential prerequisites of behavioural addiction. Addictive Behaviors, 140, 107626. https://doi.org/10.1016/j.addbeh.2023.107626