Sensory feedback in cockroach locomotion: current knowledge and open questions

A. Ayali, E. Couzin-Fuchs, I. David, O. Gal, P. Holmes, D. Knebel

Research output: Contribution to journalReview articlepeer-review

Abstract

The American cockroach, Periplaneta americana, provides a successful model for the study of legged locomotion. Sensory regulation and the relative importance of sensory feedback vs. central control in animal locomotion are key aspects in our understanding of locomotive behavior. Here we introduce the cockroach model and describe the basic characteristics of the neural generation and control of walking and running in this insect. We further provide a brief overview of some recent studies, including mathematical modeling, which have contributed to our knowledge of sensory control in cockroach locomotion. We focus on two sensory mechanisms and sense organs, those providing information related to loading and unloading of the body and the legs, and leg-movement-related sensory receptors, and present evidence for the instrumental role of these sensory signals in inter-leg locomotion control. We conclude by identifying important open questions and indicate future perspectives.

Original languageEnglish
Pages (from-to)841-850
Number of pages10
JournalJournal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology
Volume201
Issue number9
DOIs
StatePublished - 2 Sep 2015

Keywords

  • Campaniform sensilla
  • Chordotonal organ
  • Feedback control
  • Periplaneta americana
  • Proprioception

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