A new apparatus for the study of avoidance conditioning in fishes |
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| Authors: | Vicente Simón Dietrich E W Trincker |
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| Institution: | 1. Departamento de Psicologia Fisiologica, Facultad de Filosofia y Ciencias de la Educacion, Universidad de Valencia, Valencia, Spain
2. University of Bochum, 4630, Bochum, West Germany
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| Abstract: | An apparatus for the study of avoidance conditioning in fishes is described. The chamber is cylindrical in shape, with shocking electrodes placed above and below the animals, and response is defined as swimming a predetermined distance in either direction along a circumferential path. This apparatus has several advantages over the conventional shuttlebox: (1)There is little constraint on the direction of swimming; (2) the magnitude of response (swimming distance) required for avoidance can easily be varied over a wide range; and (3) variation in the effectiveness of shock with the position of the animal relative to the position of the electrodes is minimized. Some sample data obtained in a free-operant experiment with goldfish are presented. |
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