Accuracy of taxis response to water waves in the clawed toad (Xenopus laevis Daudin) with intact or with lesioned lateral line system

The accuracy of taxis response in blinded adult clawed toads (X. laevis Daudin) to water surfac waves was measured in animals with an intact lateral line system and in animals with either total or one of 12 different partial lesions of the system. The results suggest that wave directions are not loc...

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Bibliographic Details
Published in:Journal of Comparative Physiology ? A 1982-01, Vol.148 (4), p.535-545
Main Author: Elepfandt, A.
Format: Article
Language:English
Subjects:
Freshwater
Xenopus laevis
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Summary:The accuracy of taxis response in blinded adult clawed toads (X. laevis Daudin) to water surfac waves was measured in animals with an intact lateral line system and in animals with either total or one of 12 different partial lesions of the system. The results suggest that wave directions are not located by evaluating their intensity gradient along the animal. The animal does not orient according to the direction of maximum sensitivity of its activated receptors. Temporal comparison of receptor activation seems to be involved in the location of wave directions. Multiple representation with full accuracy of all stimulus angles is present in several subsets of the lateral line receptors. Decisions about the size and the side of the response are, at least in part, made independently.
ISSN:0340-7594
1432-1351
DOI:10.1007/BF00619791