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Desempeño diferencial entre machos y hembras de codorniz japonesa ante una tarea de condicionamiento operante
Palabras clave:
Codorniz japonesa, condicionamiento operante, corredor recto, diferencias sexuales, motivación. (es)Japanese quail, operant conditioning, straight alley, sexual differences, motivation (en)
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En el presente artículo se describe la realización de una tarea de condicionamiento operante en codornices japonesas, para indagar sobre las diferencias sexuales en cuanto a la conducta de aproximación a un estímulo copulatorio y visual-sexual. Se usó como instrumento un corredor recto de 3 m de longitud, para realizar el protocolo de condicionamiento y posteriormente, registrar en segundos la cantidad de tiempo que cada ave empleaba para acercarse al estímulo. Aunque no es posible realizar un análisis inferencial sobre las diferencias en los tiempos de aproximación, es bastante evidente la disimilitud de motivación entre los machos y las hembras al acercarse a una pareja copulatoria, mostrando estas últimas baja motivación por la aproximación final. Se discute si los resultados son consecuencia de la naturaleza aversiva del acto copulatorio en el caso de las hembras; al igual que se indaga sobre la capacidad del estímulo visual para estimular más la motivación de las hembras que el estímulo copulatorio.
In the present article, the performance of an operant conditioning task in Japanese quails is described, in order to investigate sexual differences in the approach behavior to a copulatory and visual-sexual stimulus. A 3-meter straight alley was used as an instrument to carry out the conditioning protocol and, later, to record in seconds the amount of time that each bird took to approach the stimulus. Although it is not possible to carry out an inferential analysis of the differences in approach times, the dissimilarity in motivation between males and females when approaching a copulatory partner is quite evident, with the latter showing low motivation for the final approach. It is discussed whether the results are a consequence of the aversive nature of the copulatory act in the case of the females; as well as whether the visual stimulus has a greater capacity than the copulatory stimulus to stimulate the motivation of the females.
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