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This contains scripts and data to look at relationship between song complexity, brain size, and related brain measurements. Also looks at distributions of measurements for potential experimental design, building DAG for causal models, and informative priors. Date obtained from following papers

  1. MacDougall-Shackleton, S. A., Hulse, S. H., & Ball, G. F. (1998). Neural correlates of singing behavior in male zebra finches (Taeniopygia guttata). Journal of Neurobiology, 36(3), 421–430. https://doi.org/10.1002/(SICI)1097-4695(19980905)36:3<421::AID-NEU9>3.0.CO;2-Y

  2. DeVoogd, T. J., Krebs, J. R., Healy, S. D., & Purvis, A. (1993). Relations between song repertoire size and the volume of brain nuclei related to song: Comparative evolutionary analyses amongst oscine birds. Proceedings of the Royal Society of London. Series B: Biological Sciences, 254(1340), 75–82. https://doi.org/10.1098/rspb.1993.0129

  3. Airey, D. C., Castillo-Juarez, H., Casella, G., Pollak, E. J., & DeVoogd, T. J. (2000). Variation in the volume of zebra finch song control nuclei is heritable: Developmental and evolutionary implications. Proceedings of the Royal Society of London. Series B: Biological Sciences, 267(1457), 2099–2104. https://doi.org/10.1098/rspb.2000.1255

Data structure inforamation

data_songcombrain.xlsx

Sheet1: 1. MacDougall-Shackleton et al. (1998): 16 male Zbs. Syrinx(mg), Body(g), Other brain measurements: in mm3, duration(ms)

Sheet2: 2. DeVoogd et al. (1993): 1 to 4 birds. Average value in the sheet

Sheet3: 3. Airey et al. (2000): Summary table for birds. Total 190 birds. Birds column show number of birds, Body and brain (g), Other brain measurements in mm3, CV us coefficient of variation or 100 * (s.d./mean)