Sensory Neurons Wired Directly to Brain's PBL (image) Duke University Share Print E-Mail Caption Sensory neurons from the head and face (green) are wired directly into one of the brain's primary emotional signaling hubs, called the parabrachial nucleus (PBL). Pain in the head or face stimulates PBL neurons, highlighted in pink. Credit Courtesy of Fan Wang, Duke University Usage Restrictions with credit 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.