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Related Experiment Videos

Predictability and hierarchy in Drosophila behavior.

Gordon J Berman1, William Bialek2, Joshua W Shaevitz2

  • 1Joseph Henry Laboratories of Physics, Princeton University, Princeton, NJ 08544; Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08544 gordon.berman@emory.edu.

Proceedings of the National Academy of Sciences of the United States of America
|October 6, 2016
PubMed
Summary
This summary is machine-generated.

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Fruit fly behavior reveals a hierarchical structure with multiple time scales. This organization suggests underlying behavioral programs and changing internal states in even simple animals.

Area of Science:

  • Animal behavior
  • Ethology
  • Neuroscience

Background:

  • Animal behavior often exhibits complex temporal dynamics.
  • Hierarchical organization, with nested subclusters of movements, is a proposed principle for these dynamics.
  • Previous studies lacked comprehensive measurements of an animal's entire behavioral repertoire.

Purpose of the Study:

  • To discover and track all stereotyped behaviors in fruit flies.
  • To determine if fruit fly behavior exhibits a hierarchical structure.
  • To understand the temporal dynamics and organization of fruit fly behavior.

Main Methods:

  • Utilized a novel unsupervised technique for behavior discovery and tracking.
  • Observed fruit flies moving within a shallow arena.
Keywords:
Drosophilabehaviorhierarchyinformation bottleneck

Related Experiment Videos

  • Calculated the optimally predictive representation of future fly behaviors.

    • Main Results:

    • Identified and tracked all stereotyped behaviors performed by fruit flies.
    • Demonstrated that fruit fly behavior exhibits multiple time scales.
    • Revealed a hierarchical organization within the fly's behavioral repertoire.

    Conclusions:

    • Fruit fly behavior is organized hierarchically, reflecting underlying programs and internal states.
    • The findings support the hypothesis of hierarchical organization in animal behavior.
    • This study provides a comprehensive view of behavioral dynamics in fruit flies.