syt1 (IMAGE) Howard Hughes Medical Institute Caption The neural protein syt1 (left) grabs onto calcium (orange), triggering the release of chemicals that carry information between cells. Mutations in syt1 made it less responsive to calcium, researchers discovered. Credit Bradberry et al./Neuron 2020 Usage Restrictions Must use 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.