Aguilar GF, García GD, Carpio RCA

Language: Spanish
References: 25
Page: 1491-1505
PDF size: 404.68 Kb.

ABSTRACT

Pigeons were used to assess the effects of spatial constancy or variability of food deliveries over the positive trials (i.e., Trials in which subjects would enter their head in an active feeder) proportion and their latencies (i.e., Time elapsed between the feeder activation and the head entry) in a non-contingent situation. The results showed that pigeons exposed to the spatially variable delivery obtained over 70% of positive trials, while the only subject of the spatially constant group that ever achieved a positive trial never surpassed 15% of positive trials. Moreover, latencies for the variable group progressively diminished across the experiment, while those of the other subjects remained fairly constant at high values. The possible implications of these results for field’s traditional theories are discussed.

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