Humans’ Closest Relative
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منابع مشابه
Neanderthal man lives on in some of us: the genome of our extinct sister species has been sequenced
Just over 150 years ago, the first fossils of our closest relative, the Neanderthal, were discovered in Germany. From analyzing these bones and comparing them to ours, we have predicted what the Neanderthal might look like, when the Neanderthal emerged, roamed, and eventually went extinct about 30,000 years ago. During their travels, they would have encountered the ancestors of modern day human...
متن کاملNeanderthal genomics and the evolution of modern humans.
Humans possess unique physical and cognitive characteristics relative to other primates. Comparative analyses of the human and chimpanzee genomes are beginning to reveal sequence changes on the human lineage that may have contributed to the evolution of human traits. However, these studies cannot identify the genetic differences that distinguish modern humans from archaic human species. Here, I...
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A comparison of developmental patterns of white matter (WM) within the prefrontal region between humans and nonhuman primates is key to understanding human brain evolution. WM mediates complex cognitive processes and has reciprocal connections with posterior processing regions [1, 2]. Although the developmental pattern of prefrontal WM in macaques differs markedly from that in humans [3], this ...
متن کاملComparative microanatomy of the orbicularis oris muscle between chimpanzees and humans: evolutionary divergence of lip function.
The orbicularis oris muscle plays a role in the production of primate facial expressions and vocalizations, nutrient intake, and in some non-human primates it is used as a prehensile, manipulative tool. As the chimpanzee (Pan troglodytes) is the closest living relative of humans, a comparison of the orbicularis oris muscle between these species may increase our understanding of the morphologica...
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Group-living typically provides benefits to individual group members but also confers costs. To avoid incredulity and betrayal and allow trust and cooperation, individuals must understand the intentions and emotions of their group members. Humans attend to other's eyes and from gaze and pupil-size cues, infer information about the state of mind of the observed. In humans, pupil-size tends to mi...
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تاریخ انتشار 1998