Researchers combine decision-making models with memory models. By Story at a glance A group of researchers were interested in how memory affects decision making. In experiments, people had higher activity in memory retrieval when given open-ended questions compared to multiple-choice questions. What’s your process for deciding what to eat for dinner? Is it different when you are offered a list to choose from? Experts are curious about how your memory could affect what you end up choosing. In a new paper in the Proceedings of the National Academy of Sciences, a team in California examines a model that tries to understand how memory could affect decision making.