Genetics of Patterning the Cerebral Cortex (image) Salk Institute Share Print E-Mail Caption In the brains of normal mice, the six-layered neocortex-indicated by the red marker and shown in the upper right corner-is located adjacent to the three-layered olfactory cortex-indicated by the bright green marker, which also labels layer 5 of the neocortex. If the Lhx2 is missing during a critical period, the neocortex is transformed into olfactory cortex. Credit Image: Courtesy of Dr. Shen-Ju Chou, Salk Institute for Biological Studies 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.