Reconstructing the ups and downs of primate brain evolution: implications for adaptive hypotheses and Homo floresiensis
1 Department of Zoology, University of Cambridge, Downing Street, Cambridge, UK
2 Evolutionary Anthropology Research Group, Department of Anthropology, Durham University, Dawson Building, South Road, Durham, DH1 3LE, UK
BMC Biology 2010, 8:9 doi:10.1186/1741-7007-8-9Published: 27 January 2010
Additional file 1:
Supplementary tables and figures. 1. Table S1: Brain and body mass of primates used in the analyses. 2. Table S2: Posterior distribution of the scaling parameters to identify the best model before reconstructing ancestral states in Bayesian analysis. 3. Figure S1: Correlations between estimates made using directional constant variance random walk and non-directional constant variance random walk models in BayesTraits. 4. Table S3: Ancestral state estimates using most supported models. 5. Table S4: Change in absolute brain and body mass and relative brain mass along each branch. 6. Additional analyses in relation to H. floresiensis: • Table S5: Range of estimated decreases in brain mass during the evolution of H. floresiensis given scaling relationships during episodes of brain mass reduction. • Table S6: Estimated Log(body) and Log(brain) masses for the node at the base of the H. floresiensis terminal branch using the topologies proposed by Argue et al. . • Table S7: Range of estimated decreases in brain mass during the evolution of H. floresiensis using the topologies proposed by Argue et al.  and given scaling relationships during brain mass reduction in primates.
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