Pyramidal Cells (image) Max Delbrück Center for Molecular Medicine in the Helmholtz Association Share Print E-Mail Caption Sensory stimuli are processed in the somatosensory cortex in the brain. In the current study, the Poulet lab shows that pyramidal cells generate single signals that activate PV interneurons. These cells, in turn, stimulate other nerves but inhibit their firing, including the pyramidal cells that activated them in the first place. Credit Jean-Sebastian Jouhanneau, MDC Usage Restrictions None 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.