Astrocyte and axon (IMAGE) Picower Institute at MIT Caption An astrocyte green is co-located with the axon of a neuron (blue). Astrocytes modulate neural activity. Credit Vincent Breton-Provencher/MIT Picower Institute Usage Restrictions with 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.