The functionally defined primary visual cortex is approximately equivalent to the anatomically defined striate cortex. Areas of the hippocampus are shown to be functionally and anatomically distinct. This type of gastric resection is anatomically and functionally irreversible. There is a hypothesis that anatomically modern humans interbred with Neanderthals during the Middle Paleolithic. Nevertheless, evidence led to the conclusion that Neanderthals were genetically distinct from anatomically modern humans. It is associated with anatomically modern or almost modern "Homo sapiens". However, the Denisovan tooth row was longer than that of Neanderthals and anatomically modern humans. It is estimated that anatomically modern humans evolved 260,000 to 350,000 years ago. Some of the oldest skeletal evidence for anatomically modern humans has been found in Ethiopia. Numerous models have been proposed for how working memory functions, both anatomically and cognitively. Cro-Magnon are considered the first anatomically modern humans in Europe. She also became highly skilled in portraying anatomically correct figures. The remains exhibit a mix of traits found in archaic and anatomically modern humans. The evolution of anatomically modern humans took place during the Pleistocene. Molluscs have been and still are an important food source for anatomically modern humans.