Catecholamine precursor modulation of human exploration: Evidence from a large gender-balanced sample (opens in new tab)

Author summary Catecholamines, such as dopamine and noradrenaline, play an important role in learning from rewards and making decisions. Tyrosine is a building block for these chemicals and sometimes taken as a dietary supplement to improve cognitive functioning. To which extent and how tyrosine may cause these effects is however, largely unclear. This study investigated the effect of a single dose (2g) of Tyrosine vs. Placebo on a reinforcement learning task in 63 participants (32 self-ident...