Directional cultural change by modification and replacement of memes.

  title={Directional cultural change by modification and replacement of memes.},
  author={Gonçalo C Cardoso and Jonathan W. Atwell},
  journal={Evolution; international journal of organic evolution},
  volume={65 1},
Evolutionary approaches to culture remain contentious. A source of contention is that cultural mutation may be substantial and, if it drives cultural change, then current evolutionary models are not adequate. But we lack studies quantifying the contribution of mutations to directional cultural change. We estimated the contribution of one type of cultural mutations--modification of memes--to directional cultural change using an amenable study system: learned birdsongs in a species that recently… CONTINUE READING
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