 With Jacques-Joseph Moreau (1804–1884) and others, he founded the influential "Annales médico-psychologiques" (Medical-Psychological Annals).In 1840 Baillarger was the first physician to discover that the cerebral cortex was divided into six layers of alternate white and grey laminae.His name is associated with the inner and outer bands of Baillarger, which are two layers of white fibers of the cerebral cortex.