Test Case (IMAGE) Technical University of Munich (TUM) Caption This image shows a test case from the study, 'What happens in test persons' brains when they insert a key in a lock?' Credit Marie-Luise Brandi / TUM Usage Restrictions Free for use for coverage on this research work with the copyright mentioned 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.