Seeing a synapse (IMAGE) Picower Institute at MIT Caption Using eMAP researchers labeled protein components on both the presynaptic side (bassoon) and post-synaptic side (PSD-95) of an excitatory synapse in a mouse. Credit Chung Lab/MIT Picower Institute Usage Restrictions with credit 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.