Sst Neuron Connectivity (IMAGE) Salk Institute Caption An example Sst Chordl cell (left) shows dense projections to cortical layer 6, while another inhibitory subtype, Sst Hpse Cbln4 (right), shows dense projections to layer 4. Credit Salk Institute Usage Restrictions With credit and related coverage. 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.