8/14/2019 2009 Vargas-Perez Science

1/5

http://www.sciencemag.org/cgi/collection/neurosciencehttp://www.sciencemag.org/content/324/5935/1732.full.html#related-urlshttp://www.sciencemag.org/content/324/5935/1732.full.html#ref-list-1http://www.sciencemag.org/content/324/5935/1732.full.html#relatedhttp://www.sciencemag.org/content/324/5935/1732.full.htmlhttp://www.sciencemag.org/content/326/5949/46.full.htmlhttp://www.sciencemag.org/about/permissions.dtlhttp://www.sciencemag.org/about/permissions.dtlhttp://oascentral.sciencemag.org/RealMedia/ads/click_lx.ads/sciencemag/cgi/reprint/L22/1864215458/Top1/AAAS/PDF-R-and-D-Systems-Science-121101/RandDSystems-v2.raw/1?x

8/14/2019 2009 Vargas-Perez Science

2/5

8/14/2019 2009 Vargas-Perez Science

3/5

8/14/2019 2009 Vargas-Perez Science

4/5

8/14/2019 2009 Vargas-Perez Science

5/5