Sara Costi

Context-dependent effects of ketamine on emotional evidence integration

This study examines how ketamine affects emotional evidence integration in changing environments, finding it shifts the balance between recent and past information based on volatility.

Ketamine attenuates habenula activity in response to aversive outcomes during Pavlovian learning

This study shows ketamine reduces habenula activity during aversive learning in humans, supporting preclinical findings on its antidepressant mechanisms.

The renin angiotensin system in cognitive flexibility: Effects of single-dose losartan on task-switching in healthy volunteers

This study investigates the effect of a single dose of losartan on cognitive flexibility in healthy volunteers using a task-switching paradigm, finding no significant improvement in task-switching performance.

Ultra-high field MRI reveals mood-related circuit disturbances in depression: A comparison between 3-Tesla and 7-Tesla

This study compares 7-Tesla and 3-Tesla MRI in detecting mood-related neural circuit disturbances in depression, showing significant improvements in signal quality and detectability at 7T.