When flexibility is stable: implicit long-term shaping of olfactory preferences.

Preferences are traditionally assumed to be stable. However, empirical evidence such as preference modulation following choices calls this assumption into question. The evolution of such postchoice preference over long time spans, even when choices have been explicitly forgotten, has so far not been...

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Autores principales:	Géraldine Coppin, Sylvain Delplanque, Christelle Porcherot, Isabelle Cayeux, David Sander
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2012
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/ce60a041aa6d4790a969a9eff40fcaa9
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spelling	oai:doaj.org-article:ce60a041aa6d4790a969a9eff40fcaa92021-11-18T07:14:42ZWhen flexibility is stable: implicit long-term shaping of olfactory preferences.1932-620310.1371/journal.pone.0037857https://doaj.org/article/ce60a041aa6d4790a969a9eff40fcaa92012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22761661/?tool=EBIhttps://doaj.org/toc/1932-6203Preferences are traditionally assumed to be stable. However, empirical evidence such as preference modulation following choices calls this assumption into question. The evolution of such postchoice preference over long time spans, even when choices have been explicitly forgotten, has so far not been studied. In two experiments, we investigated this question by using a variant of the free choice paradigm: In a first session, participants evaluated the pleasantness of a number of odors. We then formed pairs of similarly rated odors, and asked participants to choose their favorite, for each pair. Participants were then presented with all odors again, and asked for another pleasantness rating. In a second session 1 week later, a third pleasantness rating was obtained, and participants were again asked to choose between the same options. Results suggested postchoice preference modulation immediately and 1 week after choice for both chosen and rejected options, even when choices were not explicitly remembered. A third experiment, using another paradigm, confirmed that choice can have a modulatory impact on preferences, and that this modulation can be long-lasting. Taken together, these findings suggest that although preferences appear to be flexible because they are modulated by choices, this modulation also appears to be stable over time and even without explicit recollection of the choice. These results bring a new argument to the idea that postchoice preference modulation could rely on implicit mechanisms, and are consistent with the recent proposal that cognitive dissonance reduction could to some extent be implicit.Géraldine CoppinSylvain DelplanqueChristelle PorcherotIsabelle CayeuxDavid SanderPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 6, p e37857 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Géraldine Coppin Sylvain Delplanque Christelle Porcherot Isabelle Cayeux David Sander When flexibility is stable: implicit long-term shaping of olfactory preferences.
description	Preferences are traditionally assumed to be stable. However, empirical evidence such as preference modulation following choices calls this assumption into question. The evolution of such postchoice preference over long time spans, even when choices have been explicitly forgotten, has so far not been studied. In two experiments, we investigated this question by using a variant of the free choice paradigm: In a first session, participants evaluated the pleasantness of a number of odors. We then formed pairs of similarly rated odors, and asked participants to choose their favorite, for each pair. Participants were then presented with all odors again, and asked for another pleasantness rating. In a second session 1 week later, a third pleasantness rating was obtained, and participants were again asked to choose between the same options. Results suggested postchoice preference modulation immediately and 1 week after choice for both chosen and rejected options, even when choices were not explicitly remembered. A third experiment, using another paradigm, confirmed that choice can have a modulatory impact on preferences, and that this modulation can be long-lasting. Taken together, these findings suggest that although preferences appear to be flexible because they are modulated by choices, this modulation also appears to be stable over time and even without explicit recollection of the choice. These results bring a new argument to the idea that postchoice preference modulation could rely on implicit mechanisms, and are consistent with the recent proposal that cognitive dissonance reduction could to some extent be implicit.
format	article
author	Géraldine Coppin Sylvain Delplanque Christelle Porcherot Isabelle Cayeux David Sander
author_facet	Géraldine Coppin Sylvain Delplanque Christelle Porcherot Isabelle Cayeux David Sander
author_sort	Géraldine Coppin
title	When flexibility is stable: implicit long-term shaping of olfactory preferences.
title_short	When flexibility is stable: implicit long-term shaping of olfactory preferences.
title_full	When flexibility is stable: implicit long-term shaping of olfactory preferences.
title_fullStr	When flexibility is stable: implicit long-term shaping of olfactory preferences.
title_full_unstemmed	When flexibility is stable: implicit long-term shaping of olfactory preferences.
title_sort	when flexibility is stable: implicit long-term shaping of olfactory preferences.
publisher	Public Library of Science (PLoS)
publishDate	2012
url	https://doaj.org/article/ce60a041aa6d4790a969a9eff40fcaa9
work_keys_str_mv	AT geraldinecoppin whenflexibilityisstableimplicitlongtermshapingofolfactorypreferences AT sylvaindelplanque whenflexibilityisstableimplicitlongtermshapingofolfactorypreferences AT christelleporcherot whenflexibilityisstableimplicitlongtermshapingofolfactorypreferences AT isabellecayeux whenflexibilityisstableimplicitlongtermshapingofolfactorypreferences AT davidsander whenflexibilityisstableimplicitlongtermshapingofolfactorypreferences
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When flexibility is stable: implicit long-term shaping of olfactory preferences.

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