Robyn Yellowlees

Serotonin depletion impairs both Pavlovian and instrumental reversal learning in healthy humans

This study shows that serotonin depletion impairs reversal learning and emotional updating in humans, correlating with the degree of tryptophan depletion.

Perseverative behavior under uncertainty is enhanced by tryptophan depletion but diminished with subclinical obsessive-compulsive symptoms

The paper was withdrawn due to substantial changes in results and interpretation after further analysis.

Serotonin depletion amplifies distinct human social emotions as a function of individual differences in personality

The paper shows that serotonin depletion enhances emotional responses to social conflict, interacting with personality traits to produce distinct emotions like guilt and annoyance.

Effect of tryptophan depletion on conditioned threat memory expression: role of intolerance of uncertainty

This study examines how tryptophan depletion affects conditioned threat memory and finds that serotonin reduction attenuates emotional memory expression, particularly in individuals with higher intolerance of uncertainty.