Mouse Brain (IMAGE) Howard Hughes Medical Institute Caption A region of the mouse brain known as the cNST (colored yellow at top) responded to the presence of sugar, even if it was infused directly into the gut. Credit Tan et al./Nature 2020 Usage Restrictions Use 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.