Temporal discharge patterns of tectal and medullary neurons chronically recorded during snapping toward prey in toads Bufo bufo spinosus

  title={Temporal discharge patterns of tectal and medullary neurons chronically recorded during snapping toward prey in toads Bufo bufo spinosus},
  author={Evelyn Sch{\"u}rg-pfeiffer and C. Spreckelsen and J. -P. Ewert},
  journal={Journal of Comparative Physiology A},
AbstractIn freely moving toads, the temporal discharge patterns of tectal and medullary neurons were observed during prey-catching. 1.Tectal T5.2 and T8.1 neurons displayed a premotor warming up firing that in the former was addressed specifically to prey orienting or snapping and in the latter generally to almost any kind of body movement.2.The temporal discharge patterns of T5.2 neurons during snapping were different from those during orienting toward prey. Snapping started in the peak phase… 
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The present data obtained from T5.2 neurons in freely moving toads during prey-catching behavior support the concept that these neurons are best activated by prey objects and display at least four behavior-correlated properties: recognition, pre-motor activity, motor-feedback, and state-dependent modulation.
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  • Biology
    Behavioral and Brain Sciences
  • 1987
Toads discriminate prey from nonprey by certain spatiotemporal stimulus features, and Excitatory and inhibitory interactions among feature-sensitive tectal and pretectal neurons specify the perceptual operations involved in distinguishing the prey from its background, selecting its features,and discriminating it from predators.
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