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Cerebral Cortices of East African Early Hominids

1983; American Association for the Advancement of Science; Volume: 221; Issue: 4615 Linguagem: Inglês

10.1126/science.221.4615.1072

1095-9203

Dean Falk,

Archaeology and Rock Art Studies

An endocast of the frontal lobe of a reconstructed skull, which is approximately 2 million years old, from the Koobi Fora region of Kenya appears to represent the oldest human-like cortical sulcal pattern in the fossil record, while the endocast from another skull from the same region produces an endocast that appears apelike in its frontal lobe and similar to endocasts from earlier South African australopithecines. New analysis of paleoanatomical evidence thus indicates that at least two taxa of early hominids coexisted in East Africa.