Brain connections have their own tempo (IMAGE) Université de Genève Caption The activation of cerebral cortex areas increases progressively during postnatal development. In this study, the authors unraveled the genetic bases for the establishment of such connectivity. Credit © UNIGE – Laboratoire Denis Jabaudon Usage Restrictions none 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.