UB SCIENTIFIC TEAM (IMAGE) University of Barcelona Caption Conclusions reveal it is easier to alter the cognitive activity through transcranial magnetic stimulation (TMS) in people with the genetic variant Val/Val for the BDNF gene. Credit UNIVERSITY OF BARCELONA Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.