Brain size/Bibliography

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A list of key readings about Brain size.
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Based on data about brain size and body size in 120 families of birds, this study shows by means of path analysis that about 12% of within-family body size disparity can be explained by the average residual brain size within that family. Based on observations that brain size correlates with a number of cognitive measures, it is then concluded that behaviour might contribute to evolutionary diversification.
Provides comparative histological data on the glia-neuron ratios in prefrontal area 9L of the neocortex in 18 anthropoid primate species and on the allometric scaling of this ratio with brain size, concluding that the value in humans is well within the range allometrically expected for an anthropoid primate with our brain size.
Proposed that the energetic costs of the resting metabolism of different organs within the body have to be balanced. Specifically, such a trade-off is hypothesized to have governed the increasing brain size during primate and human evolution, in concert with a decrease in the amount of digestive tissue. For a critique, see Hladik et al. (1999).