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Categorization of behavioural sequences in the prefrontal cortex

Author

Listed:
  • Keisetsu Shima

    (Tohoku University School of Medicine)

  • Masaki Isoda

    (Tohoku University School of Medicine)

  • Hajime Mushiake

    (Tohoku University School of Medicine)

  • Jun Tanji

    (Tohoku University School of Medicine
    Tamagawa University Research Institute)

Abstract

Gather your thoughts The prefrontal cortex is thought to be involved in controlling primate behaviour through higher order information processing, though the nature of that processing is unclear. Remembering a large number of individual complex movements can be difficult, but grouping the movements into general categories — such as those that involve repeating the same type of action several times — can make the task easier. Shima et al. report that neurons in the monkey lateral prefrontal cortex are activated before such movements, suggesting that they represent an abstract categorization of motor behaviours, as opposed to the individual sequences themselves. Abstract grouping of this type could be a general property of the prefrontal cortex, perhaps one of the processes facilitating complex behaviour.

Suggested Citation

  • Keisetsu Shima & Masaki Isoda & Hajime Mushiake & Jun Tanji, 2007. "Categorization of behavioural sequences in the prefrontal cortex," Nature, Nature, vol. 445(7125), pages 315-318, January.
    • Handle: RePEc:nat:nature:v:445:y:2007:i:7125:d:10.1038_nature05470
    DOI: 10.1038/nature05470
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