Insulin Activity in the Brain (IMAGE) Deutsches Zentrum fuer Diabetesforschung DZD Caption Intranasal insulin enhances functional connectivity in specific cognitive brain regions (default-mode network, DMN) as well as in the hippocampus and the hypothalamus. Image source: IDM Credit © IDM 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.