The placebo capsule will contain microcrystalline cellulose. clinical trials

The role of serotonin in learning and decision-making: a behavioural study

This study is looking at how a brain chemical called serotonin might affect how we learn and make decisions. Participants will take either a common antidepressant medication (escitalopram) or a dummy pill, and then complete tasks to see how this affects their accuracy and speed.