Lhx6 (image) Johns Hopkins Medicine Share Print E-Mail Caption Neurons in the zona incerta expressing Lhx6 are shown in green. Cells in this region that are activated during sleep express c-fos and are shown in red. Credit Seth Blackshaw, Ph.D 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.