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Learning ability and longevity: a symmetrical evolutionary trade-off in Drosophila

Burger, Joep M. S. ; Kolss, Munjong ; Pont, Juliette ; Kawecki, Tadeusz J.

In: Evolution, 2008, vol. 62, no. 6, p. 1294–1304

Learning ability can be substantially improved by artificial selection in animals ranging from Drosophila to rats. Thus these species have not used their evolutionary potential with respect to learning ability, despite intuitively expected and experimentally demonstrated adaptive advantages of learning. This suggests that learning is costly, but this notion has rarely been tested. Here we report...