Agents developed temporal representations that mimicked the statistics of their environment. Early Life Unpredictability agents (ELU) ended up relying on less precise representations, which temporally “smeared” their reward expectations. This temporal smearing has important consequences. (6/10)

It diminishes reward expectations at the time points just before reward is most likely to occur. Let’s say these Pavlovian values were transferred to instrumental actions — this would produce reduced motivation to pursue rewards, one characterizing feature of anhedonia. (7/10)