Basicranial flexion, relative brain size, and facial kyphosis in nonhuman primates.

@article{Ross1993BasicranialFR,
  title={Basicranial flexion, relative brain size, and facial kyphosis in nonhuman primates.},
  author={Callum F. Ross and Matthew J. Ravosa},
  journal={American journal of physical anthropology},
  year={1993},
  volume={91 3},
  pages={
          305-24
        }
}
Numerous hypotheses explaining interspecific differences in the degree of basicranial flexion have been presented. Several authors have argued that an increase in relative brain size results in a spatial packing problem that is resolved by flexing the basicranium. Others attribute differences in the degree of basicranial flexion to different postural behaviors, suggesting that more orthograde animals require a ventrally flexed pre-sella basicranium in order to maintain the eyes in a correct… CONTINUE READING
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