Variable learning performance: the levels of behaviour organization.
Our experiments were focused on some special aspects of learning in the paradise fish. Passive avoidance conditioning method was used with different success depending on the complexity of the learning tasks. In the case of simple behavioural elements various "constrains" on avoidance learning were found. In a small, covered place the fish were ready to perform freezing reaction and mild punishment increased the frequency and duration of the freezing bouts very substantially. However, it was very difficult to enhance the frequency of freezing by punishment in a tank with transparent walls, where the main response to punishment was escape. The most easily learned tasks were the complex ones which had several different solutions. The fish learned to avoid either side of an aquarium very easily because they could use various behavioural elements to solve the problem. These findings could be interpreted within the framework of different organizational levels of behaviour.
Csányi
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Department of Ethology, Eötvös Loránd University of Budapest, Göd, Hungary.
Altbäcker
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D000818:Animals; D001362:Avoidance Learning / Q000502:physiology; D001522:Behavior, Animal; D003213:Conditioning, Psychological / Q000502:physiology*; D005399:Fishes / Q000502:physiology*; D008297:Male