Ability to use symbols appeared 35 million years ago? - 0 views
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Rudy Garns on 02 Sep 08"Humans are sometimes said to be distinguished as "The Symbolic Species." A Research Highlights note in Nature point to the work of Addessi et al., who show that capuchin monkeys, who diverged from the human lineage ~35 million years ago, can be trained to use and assign value to tokens (symbols) for different items of food." (Deric Bownds' MindBlog)