… Here we focus on a specific psychological mechanism that could help elucidate this
interplay: the reinforcing effect of social media rewards on future posting behavior, which we
term “social media reward sensitivity.” Across three Twitter datasets (7,744 users), we
consistently find that … Although our findings above suggest the heightened sensitivity to
real-world rewards in depression might be domain-general, its effects could be particularly
pronounced on social media due to the social nature of the rewards, and/or due to other …