Different Brain Regions (IMAGE) Champalimaud Centre for the Unknown Caption Different brain regions introduce predictability and randomness in the timing of actions. Credit Gil Costa (Champalimaud Centre for the Unknown) Usage Restrictions Attribute authorship 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.