Figure 1 (IMAGE) Tohoku University Caption A cultured neuronal network with directional intermodular coupling. (Left) Schematic diagram of rat cortical neurons cultured on a microfluidic device. (Centre) Microscopic photograph. Scale bar = 100 µm. (Right) Schematic diagram of directional coupling. By connecting the modules using asymmetric microchannels, the direction in which neurites are likely to penetrate is created, and directional coupling can be reproduced in that direction. Credit ©Nobuaki Monma et al. Usage Restrictions Reporters may use freely these materials in news coverage with appropriate credit information. 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.