Abstract:
In rats, a change from a preferred solution (e.g. 32% sucrose) to a less preferred (e.g. 4%) produces an abrupt decrement in consumption below the levels of an unshifted group that always had access to the less preferred solution. This phenomenon -known as consummatory successive negative contrast effect- occurs with simultaneous changes in ambient or gustative cues and with multiple response options, with the reinforcer located in several different places. In the present experiment a group of rats was trained during the pre-shift phase with an almond flavored preferred solution (i.e. 32%A) and another group with a less preferred flavored solution (i.e. 4%A). Post-shift phase took place in a newly different context where all animals could choose between 4% and 4%A. Results showed a negative contrast effect in the downshifted animals and a preference for the familiar flavored solution in both groups.
Registro:
Documento: |
Artículo
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Título: | Choice responses during consummatory successive negative contrast in rats |
Autor: | Seal, F.L.; Pelegrini, S.; Mustaca, A.E. |
Filiación: | Laboratorio de Psicología Experimental y Aplicada-IDIM, Combatientes de Malvinas 3150, Ciudad Autónoma de Buenos Aires, 1428, Argentina Laboratorio de Psicología Experimental y Aplicada (PSEA), Instituto de Investigaciones Médicas, Universidad de Buenos Aires, Argentina
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Palabras clave: | Choice; Context; Flavor; Negative contrast; Rats |
Año: | 2010
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Volumen: | 28
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Número: | 2
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Página de inicio: | 219
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Página de fin: | 225
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Título revista: | Avances en Psicologia Latinoamericana
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Título revista abreviado: | Av. Psicol. Latinoam.
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ISSN: | 17944724
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_17944724_v28_n2_p219_Seal |
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- Flaherty, C.F., Avdzej, A., Transituational negative contrast (1976) Animal Learning and Behaviour, 4
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- Mustaca, A., Freidin, E., Papini, M., Extinction of consummatory behavior in Rats (2002) International Journal of Comparative Psychology, 3, pp. 1-10
- Mustaca, A.E., Martínez, C., (2005) Efectos de Los Cambios de Contexto Durante un Contraste Sucesivo Negativo Consumatorio en Ratas, , Datos no publicados
- Pecoraro, N.C., Timberlake, W.D., Tinsley, M., Incentive downshift evokes search repertoires in Rats (1999) Journal of Experimental Psychology: Animal Behavior Processes, 25, pp. 153-167
- Waldron, F.A., Wiegmann, D.A., Wiegmann, D.D., Negative incentive contrast induces economic choice behaviour by Bumble Bees (2005) International Journal of Comparative Psychology, 18, pp. 358-371
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Citas:
---------- APA ----------
Seal, F.L., Pelegrini, S. & Mustaca, A.E.
(2010)
. Choice responses during consummatory successive negative contrast in rats . Avances en Psicologia Latinoamericana, 28(2), 219-225.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_17944724_v28_n2_p219_Seal [ ]
---------- CHICAGO ----------
Seal, F.L., Pelegrini, S., Mustaca, A.E.
"Choice responses during consummatory successive negative contrast in rats "
. Avances en Psicologia Latinoamericana 28, no. 2
(2010) : 219-225.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_17944724_v28_n2_p219_Seal [ ]
---------- MLA ----------
Seal, F.L., Pelegrini, S., Mustaca, A.E.
"Choice responses during consummatory successive negative contrast in rats "
. Avances en Psicologia Latinoamericana, vol. 28, no. 2, 2010, pp. 219-225.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_17944724_v28_n2_p219_Seal [ ]
---------- VANCOUVER ----------
Seal, F.L., Pelegrini, S., Mustaca, A.E. Choice responses during consummatory successive negative contrast in rats . Av. Psicol. Latinoam. 2010;28(2):219-225.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_17944724_v28_n2_p219_Seal [ ]