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Abstract:

When adult rats have access to a sucrose solution 32% in daily 5 minutes sessions during to days (Phase 1), and (hen are given access to a sucrose solution 4% (Phase 2), they will consume lese of the latter solution, as compared to other animals that always experienced the 4% solution, producing a consummately successive negative contrast effect (cSNC). Three experiments were made to study the effects on cSNC of varying the quantity of solution ingested by the animals during Phase 1. Experiment 1 compared consummatory responding of a group with free access to 32% solution during Phase 1, with that of a group that received the same volume of 32% solution as the 4% controls. The group, that consumed less quantity of 32% solution showed an attenuated cSNC effect. Experiment.2 manipulated the quantity of consumed solution varying the extension of the daily sessions (10 minutes). In this condition there was a similar cSNC to that observed when 5 minutes sessions are used. In the Experiment 3, duration (5 versus 10 minutes) and number of sessions (5 versus 10) were varied. This experiment showed that (a) cSNC did not change as a function of session duration, and (b) cSNC was diminished in animals receiving access to fewer but longer sessions as compared to more but shorter sessions. Altogether, these results suggest that consummatory contrast (contrary to instrumental contrast), besides the discrepancy of experienced concentration, is more affected by ihe reward distribution as by reward quantity. Results are discussed in relation to changes Iti the incentive value according to the characteristics of reward administration.

Registro:

Documento: Artículo
Título:Effects of quantity and distribution of reward on consummately succesive negative contrast (cCSNC)
Autor:Pellegrini, S.; Ruetti, E.M.; Mustaca, A.E.; Muzio, R.N.
Filiación:Inst. de Invest. M.A.L. - P.E./A., Argentina Inst. de Biol./Med. Exp., Argentina
Lab. de Bioiogia del Comportamiento, IBYME (CONICET), Obiigado 2490, 1428 - Buenos Aires, Argentina
Palabras clave:Incentive value; Reinforcement; Successive negative contrast
Año:2004
Volumen:36
Número:2
Página de inicio:317
Página de fin:331+i
Título revista:Revista Latinoamericana de Psicologia
Título revista abreviado:Rev. Latinoam. Psicol.
ISSN:01200534
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01200534_v36_n2_p317_Pellegrini

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Citas:

---------- APA ----------
Pellegrini, S., Ruetti, E.M., Mustaca, A.E. & Muzio, R.N. (2004) . Effects of quantity and distribution of reward on consummately succesive negative contrast (cCSNC) . Revista Latinoamericana de Psicologia, 36(2), 317-331+i.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01200534_v36_n2_p317_Pellegrini [ ]
---------- CHICAGO ----------
Pellegrini, S., Ruetti, E.M., Mustaca, A.E., Muzio, R.N. "Effects of quantity and distribution of reward on consummately succesive negative contrast (cCSNC) " . Revista Latinoamericana de Psicologia 36, no. 2 (2004) : 317-331+i.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01200534_v36_n2_p317_Pellegrini [ ]
---------- MLA ----------
Pellegrini, S., Ruetti, E.M., Mustaca, A.E., Muzio, R.N. "Effects of quantity and distribution of reward on consummately succesive negative contrast (cCSNC) " . Revista Latinoamericana de Psicologia, vol. 36, no. 2, 2004, pp. 317-331+i.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01200534_v36_n2_p317_Pellegrini [ ]
---------- VANCOUVER ----------
Pellegrini, S., Ruetti, E.M., Mustaca, A.E., Muzio, R.N. Effects of quantity and distribution of reward on consummately succesive negative contrast (cCSNC) . Rev. Latinoam. Psicol. 2004;36(2):317-331+i.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01200534_v36_n2_p317_Pellegrini [ ]