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原文連結
論文資訊
- 類型：已發表論文
- 日期：2008
摘要
Cumulative 文化 change requires organisms that are capable of both exploratory individual learning and faithful 社會 learning. In our model, an organism's phenotype is initially determined innately (by its genotypic value) or by 社會 learning (copying a phenotype from the parental generation), and then may or may not be modified by individual learning (exploration around the initial phenotype). The environment alternates periodically between two states, each defined as a certain range of phenotypes that can survive. These states may overlap, in which case the same phenotype can survive in both states, or they may not. We find that a joint 社會 and exploratory individual learning strategy-the strategy that supports cumulative culture-is likely to spread when the environmental states do not overlap.
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