Transcranial Magnetic Stimulation (IMAGE) Brown University Caption Postdoctoral fellow Theresa Desrochers and colleagues used TMS technology to briefly perturb activity in a region of the brain that proved key to preventing errors when we carry out a sequence of tasks. Credit Michael Cohea/Brown University Usage Restrictions with credit License Licensed content 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.