@article{Campos-Rivera_dos Santos_2022, title={Delay discounting in pigeons using a token reinforcement system}, volume={48}, url={https://revistas.unam.mx/index.php/rmac/article/view/82750}, DOI={10.5514/rmac.v48.i1.82750}, abstractNote={<p>Delay discounting is the decrease of the value of a reward due to a delay<br />in its receipt. "e results with human and non-human animals have<br />shown several similarities, but there have also been consistent differences.<br />In order to further explore the sources of these differences, we used<br />a token reinforcement system to evaluate delay discounting in pigeons<br />with a procedure more similar to the ones used with humans. Pigeons<br />were exposed to an adjusting amount task with tokens as rewards. In<br />Phases 1 and 3, tokens were exchangeable immediately after its receipt<br />in each trial, whereas in Phase 2, tokens were exchangeable after four<br />trials. The results of Phases 1 and 3 showed a pa$ern of discounting<br />similar to previous studies, whereas subjects showed a greater degree<br />of discount in Phase 2 in comparison to the other phases. We argue the<br />greater degree of discount might be due to the accumulation of tokens<br />and the actual delay to the food.</p>}, number={1}, journal={Mexican Journal of Behavior Analysis}, author={Campos-Rivera, Ricardo S. and dos Santos, Cristiano V.}, year={2022}, month={May} }