Animal vocal sequences: not the Markov chains we thought they were.

  title={Animal vocal sequences: not the Markov chains we thought they were.},
  author={Arik Kershenbaum and Ann E. Bowles and Todd M. Freeberg and Dezhe Z. Jin and Adriano R. Lameira and Kirsten Bohn},
  journal={Proceedings. Biological sciences},
  volume={281 1792}
Many animals produce vocal sequences that appear complex. Most researchers assume that these sequences are well characterized as Markov chains (i.e. that the probability of a particular vocal element can be calculated from the history of only a finite number of preceding elements). However, this assumption has never been explicitly tested. Furthermore, it is unclear how language could evolve in a single step from a Markovian origin, as is frequently assumed, as no intermediate forms have been… CONTINUE READING
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