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Abstract:

Humans and other vertebrates occasionally show a preference for items remembered to be costly or experienced when the subject was in a poor condition (this is known as a sunk-costs fallacy or state-dependent valuation). Whether these mechanisms shared across vertebrates are the result of convergence toward an adaptive solution or evolutionary relicts reflecting common ancestral traits is unknown. Here we show that state-dependent valuation also occurs in an invertebrate, the desert locust Schistocerca gregaria (Orthoptera: Acrididae). Given the latter's phylogenetic and neurobiological distance from those groups in which the phenomenon was already known, we suggest that state-dependent valuation mechanisms are probably ecologically rational solutions to widespread problems of choice.

Registro:

Documento: Artículo
Título:State-dependent learned valuation drives choice in an invertebrate
Autor:Pompilio, L.; Kacelnik, A.; Behmer, S.T.
Filiación:Department of Zoology, University of Oxford, South Parks Road, Oxford OX1 3PS, United Kingdom
Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, C1428EHA, Buenos Aires, Argentina
Department of Entomology, Texas A and M University, College Station, TX 77843-2475, United States
Palabras clave:Biology; Convergence of numerical methods; Costs; Ecosystems; Neurology; Evolutionary relicts; Invertebrate; Phylogenetic; State-dependent valuation; Biodiversity; invertebrate; article; evolution; invertebrate; locust; nonhuman; Orthoptera; phylogeny; plesiomorphy; priority journal; state dependent learning; Animals; Choice Behavior; Feeding Behavior; Female; Food; Grasshoppers; Learning; Models, Animal; Nutritional Status; Odors; Acrididae; Invertebrata; Orthoptera; Schistocerca gregaria; Vertebrata
Año:2006
Volumen:311
Número:5767
Página de inicio:1613
Página de fin:1615
DOI: http://dx.doi.org/10.1126/science.1123924
Título revista:Science
Título revista abreviado:Science
ISSN:00368075
CODEN:SCIEA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00368075_v311_n5767_p1613_Pompilio

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Citas:

---------- APA ----------
Pompilio, L., Kacelnik, A. & Behmer, S.T. (2006) . State-dependent learned valuation drives choice in an invertebrate. Science, 311(5767), 1613-1615.
http://dx.doi.org/10.1126/science.1123924
---------- CHICAGO ----------
Pompilio, L., Kacelnik, A., Behmer, S.T. "State-dependent learned valuation drives choice in an invertebrate" . Science 311, no. 5767 (2006) : 1613-1615.
http://dx.doi.org/10.1126/science.1123924
---------- MLA ----------
Pompilio, L., Kacelnik, A., Behmer, S.T. "State-dependent learned valuation drives choice in an invertebrate" . Science, vol. 311, no. 5767, 2006, pp. 1613-1615.
http://dx.doi.org/10.1126/science.1123924
---------- VANCOUVER ----------
Pompilio, L., Kacelnik, A., Behmer, S.T. State-dependent learned valuation drives choice in an invertebrate. Science. 2006;311(5767):1613-1615.
http://dx.doi.org/10.1126/science.1123924