Depression from Monoamine-Oxidase A (IMAGE) Max-Planck-Gesellschaft Caption This is a positron-emission-tomography (PET) image of a depressive patient without medication (left) with elevated monoamine-oxidase-A-levels (green, yellow, red) and after a six-week-treatment with the monoamine-oxidase-A-inhibitor moclobemid (right). Credit Sacher et al., 2011, J Psy Neurosci. Usage Restrictions None 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.