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Integrative and Comparative Biology Advance Access published online on August 20, 2007
Integrative and Comparative Biology, doi:10.1093/icb/icm085
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© The Author 2007. Published by Oxford University Press on behalf of the Society for Integrative and Comparative Biology. All rights reserved. For permissions please email: journals.permissions@oxfordjournals.org.

The role of postinhibitory rebound in the locomotor central-pattern generator of Clione limacina

Thomas J. Pirtle1,*,{ddagger} and Richard A. Satterlie{dagger},{ddagger}
*Department of Biology Abilene Christian University, Abilene, TX 79699, USA; {dagger}Department of Biology and Marine Biology University of North Carolina at Wilmington, Wilmington, NC 28409, USA; {ddagger}Friday Harbor Laboratories, Friday Harbor, WA 98250, USA

Correspondence: 1E-mail: Thomas.Pirtle{at}acu.edu

In animals, networks of central neurons, called central-pattern generators (CPGs), produce a variety of locomotory behaviors including walking, swimming, and flying. CPGs from diverse animals share many common characteristics that function at the system level, circuit level, and cellular level. However, the relative roles of common CPG characteristics are variable among different animal species, in ways that suit different forms of locomotion in different environmental contexts. Here, we examine some of these common features within the locomotor CPG in a model system used to investigate changes in locomotory speed—the swim system of the pteropod mollusk, Clione limacina. In particular, we discuss the role of one cellular characteristic that is essential for locomotor pattern generation in Clione, postinhibitory rebound.

From the symposium "Recent Developments in Neurobiology" presented at the annual meeting of the Society of Integrative and Comparitive Biology, January 3–7, 2007, at Phoenix, Arizona.


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