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Frog Prey Capture Behavior: Between Sensory Maps and Directed Motor Output

  • Paul Grobstein
  • Christopher Comer
  • Sandra K. Kostyk
Part of the NATO Advanced Science Institutes Series book series (NSSA, volume 56)

Abstract

In frog prey capture behavior an appropriate sensory stimulus at a given location in space triggers a complex movement directed toward the stimulus. We are interested in how the frog brain is organized so as to yield such a spatial correspondence between a stimulus and the resulting movement. Initial stages of the neuronal circuitry underlying prey capture appear to involve topographic sensory representations in the midbrain. The prey capture outputs are triggered or ballistic, suggesting that they are based on pattern generating circuitry at some unknown location in the brain. Given these considerations, one approach to the problem of the spatial correspondence between stimulus and movement is to ask how topographic sensory maps are linked to pattern generating circuitry. In this paper we will discuss several experiments directed at exploring this linkage. We will focus particularly on how our ideas about the organization which brings about an appropriate correspondence between input and output have evolved during the course of these studies.

Keywords

Prey Capture Optic Tectum Spatial Correspondence Rana Pipiens Bufo Bufo 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1983

Authors and Affiliations

  • Paul Grobstein
    • 1
  • Christopher Comer
    • 1
  • Sandra K. Kostyk
    • 1
  1. 1.Department of Pharmacological and Physiological SciencesUniversity of ChicagoChicagoUSA

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