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A neural model of interactions subserving prey-predator discrimination and size preference in anuran amphibia

Journal of Theoretical Biology, ISSN: 0022-5193, Vol: 113, Issue: 1, Page: 117-152
1985
  • 51
    Citations
  • 0
    Usage
  • 15
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    51
    • Citation Indexes
      51
  • Captures
    15

Article Description

The model described is an extension of a previous model of the optic tectum ( Arbib & Lara, 1982 ; Lara, Arbib & Cromarty, 1982 ; Lara & Arbib, 1982 ) and takes into consideration anatomical, physiological and behavioral studies in anurans, as well as earlier modelling efforts ( Ewert & Von Seelen, 1974 ; Didday, 1976 ). Computer simulations were conducted to analyze how interactions among retina, optic tectum and pretectum may give frogs and toads the ability to discriminate between prey and predator stimuli. Results from simulations have allowed us to reproduce empirical observations, to suggest new experiments, and to postulate what neural mechanisms might be involved in some phenomena related to prey-catching orienting behavior, with direction invariance of prey-predator recognition being a consequence of tectal architecture, and size preference and response latency depending on the motivational state of the animal.

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