Journal of comparative physiology

, Volume 87, Issue 3, pp 203–212 | Cite as

Extraocular perception of polarized light by orienting salamanders

  • Kraig Adler
  • Douglas H. Taylor


Spatial orientation corresponding to the bearing of thee-vector of linearly polarized light can be demonstrated in sighted and eyeless salamanders (Ambystoma tigrinum) trained under linearly polarized light. However, if opaque polyethylene plastic is inserted over the skull of these animals, whether they are sighted or eyeless, orientation is uniform within the test arena. Bidirectional oriented movement is restored in both groups, however, when transparent plastic is substituted in the same animals. A discussion of the possible mechanism for perception of polarized light by extraocular photoreceptors (EOPs) is given.


Polyethylene Arena Spatial Orientation Transparent Plastic Test Arena 
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.


Durch Dressur unter linear polarisiertem Licht wird beiAmbystoma tigrinum sowohl mit als auch ohne Augen eine Orientierung nach deme-Vektor linear polarisierten Lichtes nachgewiesen. Wird jedoch über dem Schädel (unter der Haut) eine opake Polyäthylen-Scheibe eingeschoben, so findet sich weder bei geblendeten noch bei Tieren mit Augen eine Orientierung nach deme-Vektor. Wird die opake Plastikscheibe durch eine transparente ersetzt, so tritt in jedem Fall die Orientierung (± 180 °) wieder auf. Die möglichen Mechanismen der Wahrnehmung polarisierten Lichtes durch extraokulare Rezeptoren werden diskutiert.


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Copyright information

© Springer-Verlag 1973

Authors and Affiliations

  • Kraig Adler
    • 1
    • 2
  • Douglas H. Taylor
    • 1
    • 2
  1. 1.Section of Neurobiology and BehaviorLangmuir Laboratory Cornell UniversityIthaca
  2. 2.Department of ZoologyMiami UniversityOxford

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