Journal: | Acta comportamentalia |
Database: | CLASE |
System number: | 000351579 |
ISSN: | 0188-8145 |
Authors: | González, Juan C Avila, Raúl Juárez, Andrea Miranda, Patricia1 |
Institutions: | 1Universidad Nacional Autónoma de México, Facultad de Psicología, México, Distrito Federal. México |
Year: | 2011 |
Volumen: | 19 |
Number: | 3 |
Pages: | 255-267 |
Country: | México |
Language: | Español |
Document type: | Artículo |
Approach: | Analítico |
Spanish abstract | Se expuso a tres palomas privadas de comida a sesiones experimentales de 50 ciclos de 64 s cada uno (ciclos T) dentro de los que siempre se presentó un dispensador de comida durante 3 s (ER 1). El dispensador se podía presentar nuevamente (ER 2) cuando terminaba el ciclo si el sujeto se abstenía de aproximarse al ER 1, de lo contrario, este se retiraba y se cancelaba la entrega del ER 2. En cinco fases experimentales se presentó el ER 1 3, 32, 16, 8, y 3 s antes del final del ciclo T. Además, conforme a un diseño ABA, un cambio de color en una tecla de respuesta señaló (A1 y A2) o no (B) las presentaciones del ER 1 sirviendo como un operando distractor. Se encontró que el número de ER 2 obtenidos disminuyó conforme el ER 1 se presentó más cerca del inicio del ciclo T. Así mismo, se observó que únicamente durante las condiciones A de la primera fase experimental, el número de ER 1 interrumpidos fue relativamente bajo y el número de picotazos a la tecla fue comparativamente mayor. Estos hallazgos reprodujeron y extendieron los resultados de otras investigaciones en las cuales se estudió la conducta autocontrolada de comer |
English abstract | Self-controlled eating behavior was studied in three food-deprived pigeons exposed to a procedure consisting on fifty 64-s time cycles (T cycles). In each cycle a food-hopper was always presented once for 3 s (SR 1) and could be presented for other 3 s (SR 2) after the T cycle elapsed, according to the following contingency. If the subject approached to SR 1 it was withdrawn and SR 2 delivery was cancelled; otherwise SR 2 was presented when the T cycle elapsed. In five experimental phases SR 1 was presented 3, 32, 16, 8, and 3 s before the end of the T cycle. Additionally, according to an ABA-design, a color change of a response key signaled (conditions A1 and A2) or not (condition B) SR 1 presentations and served as a distracting operandum. It was found that the number of SR 2 obtained was lower as SR 1 was presented closer to the beginning of each T cycle, regardless of signaling SR 1 presentations. It was also found that only in the A conditions of the first experimental phase (3 s) SR 1 interruptions were relatively low and R>0 of key pecks was comparatively high. Globally, these results replicated and extended those of previous studies in which self-controlled eating behavior was explored |
Disciplines: | Psicología |
Keyword: | Psicología experimental, Ciclo T, Comida, Presentación, Comer, Autocontrol, Palomas |
Full text: | Texto completo (Ver PDF) |