What's more, the new study fails to consider that the A.
sediba endocast shows furrows and folding patterns found in humans but not chimps, he says.
At the time, Falk argued that four
endocasts from southern African hominids — three Australopithecus africanus and one Australopithecus
sediba — showed folding patterns that suggested that brain reorganization was underway as early as 3 million years ago in a frontal area involved in human speech production.