Layers of Barrels (IMAGE) Brown University Caption Asterisks denote the location of newly found "infrabarrels" in the innermost layer of the cortex of the mouse brain. The thalamus, which connects to the infrabarrels, is the region on the bottom right of the image. Credit Crandall et. al. Usage Restrictions with 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.