Compression as a universal principle of animal behavior

Ramon Ferrer-i-Cancho, Antoni Hernández-Fernández, David Lusseau, Govindasamy Agoramoorthy, Minna J Hsu, Stuart Semple

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

A key aim in biology and psychology is to identify fundamental principles underpinning the behavior of animals, including humans. Analyses of human language and the behavior of a range of non-human animal species have provided evidence for a common pattern underlying diverse behavioral phenomena: Words follow Zipf's law of brevity (the tendency of more frequently used words to be shorter), and conformity to this general pattern has been seen in the behavior of a number of other animals. It has been argued that the presence of this law is a sign of efficient coding in the information theoretic sense. However, no strong direct connection has been demonstrated between the law and compression, the information theoretic principle of minimizing the expected length of a code. Here, we show that minimizing the expected code length implies that the length of a word cannot increase as its frequency increases. Furthermore, we show that the mean code length or duration is significantly small in human language, and also in the behavior of other species in all cases where agreement with the law of brevity has been found. We argue that compression is a general principle of animal behavior that reflects selection for efficiency of coding.
Original languageEnglish
Pages (from-to)1565-1578
Number of pages14
JournalCognitive Science
Volume37
Issue number8
Early online date29 Jul 2013
DOIs
Publication statusPublished - Nov 2013

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Animal Behavior
Animals
Language
Psychology

Keywords

  • law of brevity
  • compression
  • animal communication
  • language
  • animal behavior
  • linguistic universals

Cite this

Ferrer-i-Cancho, R., Hernández-Fernández, A., Lusseau, D., Agoramoorthy, G., Hsu, M. J., & Semple, S. (2013). Compression as a universal principle of animal behavior. Cognitive Science, 37(8), 1565-1578. https://doi.org/10.1111/cogs.12061

Compression as a universal principle of animal behavior. / Ferrer-i-Cancho, Ramon; Hernández-Fernández, Antoni; Lusseau, David; Agoramoorthy, Govindasamy; Hsu, Minna J; Semple, Stuart.

In: Cognitive Science, Vol. 37, No. 8, 11.2013, p. 1565-1578.

Research output: Contribution to journalArticle

Ferrer-i-Cancho, R, Hernández-Fernández, A, Lusseau, D, Agoramoorthy, G, Hsu, MJ & Semple, S 2013, 'Compression as a universal principle of animal behavior' Cognitive Science, vol. 37, no. 8, pp. 1565-1578. https://doi.org/10.1111/cogs.12061
Ferrer-i-Cancho R, Hernández-Fernández A, Lusseau D, Agoramoorthy G, Hsu MJ, Semple S. Compression as a universal principle of animal behavior. Cognitive Science. 2013 Nov;37(8):1565-1578. https://doi.org/10.1111/cogs.12061
Ferrer-i-Cancho, Ramon ; Hernández-Fernández, Antoni ; Lusseau, David ; Agoramoorthy, Govindasamy ; Hsu, Minna J ; Semple, Stuart. / Compression as a universal principle of animal behavior. In: Cognitive Science. 2013 ; Vol. 37, No. 8. pp. 1565-1578.
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