Credits

Researchers 
Jeffrey Padberg, Leah Krubitzer et al. University of California, Davis, CA

The research was funded by the McDonnell Foundation, National Institute of Neurological Disorders and Strokes, and the National Institutes of Health,

Paper
Padberg, J., et al. Parallel Evolution of Cortical Areas Involved in Skilled Hand UseJournal of Neuroscience 27 (38):10,016-10,115 (2007).

Data and Images
Monkey brain models (Dr. Jacopo Annese, The Brain Observatory, UC–San Diego. Special thanks to Hauke Bartsch, Visage Imaging, San Diego)
Hand illustrations (Jeff Padberg, Dylan Cooke, Leah Krubitzer)