Schematic diagram of the study (IMAGE) YCU Advanced Medical Research Center Caption In this study, researchers used positron emission tomography and a special tracer to study the relationship between the distribution of an important neuronal receptor (AMPA) and the occurrence and severity of different psychiatric disorders. Credit Takuya Takahashi from Yokohama City University Usage Restrictions Credit must be given to the creator. License Original 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.