Calcium Channels Control Blood Flow to Brain (image) Rockefeller University Press Share Print E-Mail Caption This computation model reveals that blocking CaV1.2 or CaV3.3 dilates cerebral arteries and increases blood flow, whereas blocking CaV3.2 constricts arteries and decreases cerebral blood flow. Credit Harraz et al., 2015 Usage Restrictions Reporters may freely use these materials in news coverage, with the appropriate credit information. Share Print E-Mail 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.