Reward sensitivity differs depending on global self-esteem in value-based decision-making

Abstract Global self-esteem is a component of individual personality that impacts decision-making. Many studies have discussed the different preferences for decision-making in response to threats to a person’s self-confidence, depending on global self-esteem. However, studies about global self-estee...

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Autores principales:	Aya Ogasawara, Yoshiyuki Ohmura, Yasuo Kuniyoshi
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/638894741bd2441a9ca79257019ee104
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spelling	oai:doaj.org-article:638894741bd2441a9ca79257019ee1042021-12-02T16:18:03ZReward sensitivity differs depending on global self-esteem in value-based decision-making10.1038/s41598-020-78635-12045-2322https://doaj.org/article/638894741bd2441a9ca79257019ee1042020-12-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-78635-1https://doaj.org/toc/2045-2322Abstract Global self-esteem is a component of individual personality that impacts decision-making. Many studies have discussed the different preferences for decision-making in response to threats to a person’s self-confidence, depending on global self-esteem. However, studies about global self-esteem and non-social decision-making have indicated that decisions differ due to reward sensitivity. Here, reward sensitivity refers to the extent to which rewards change decisions. We hypothesized that individuals with lower global self-esteem have lower reward sensitivity and investigated the relationship between self-esteem and reward sensitivity using a computational model. We first examined the effect of expected value and maximum value in learning under uncertainties because some studies have shown the possibility of saliency (e.g. maximum value) and relative value (e.g. expected value) affecting decisions, respectively. In our learning task, expected value affected decisions, but there was no significant effect of maximum value. Therefore, we modelled participants’ choices under the condition of different expected value without considering maximum value. We used the Q-learning model, which is one of the traditional computational models in explaining experiential learning decisions. Global self-esteem correlated positively with reward sensitivity. Our results suggest that individual reward sensitivity affects decision-making depending on one’s global self-esteem.Aya OgasawaraYoshiyuki OhmuraYasuo KuniyoshiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-6 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Aya Ogasawara Yoshiyuki Ohmura Yasuo Kuniyoshi Reward sensitivity differs depending on global self-esteem in value-based decision-making
description	Abstract Global self-esteem is a component of individual personality that impacts decision-making. Many studies have discussed the different preferences for decision-making in response to threats to a person’s self-confidence, depending on global self-esteem. However, studies about global self-esteem and non-social decision-making have indicated that decisions differ due to reward sensitivity. Here, reward sensitivity refers to the extent to which rewards change decisions. We hypothesized that individuals with lower global self-esteem have lower reward sensitivity and investigated the relationship between self-esteem and reward sensitivity using a computational model. We first examined the effect of expected value and maximum value in learning under uncertainties because some studies have shown the possibility of saliency (e.g. maximum value) and relative value (e.g. expected value) affecting decisions, respectively. In our learning task, expected value affected decisions, but there was no significant effect of maximum value. Therefore, we modelled participants’ choices under the condition of different expected value without considering maximum value. We used the Q-learning model, which is one of the traditional computational models in explaining experiential learning decisions. Global self-esteem correlated positively with reward sensitivity. Our results suggest that individual reward sensitivity affects decision-making depending on one’s global self-esteem.
format	article
author	Aya Ogasawara Yoshiyuki Ohmura Yasuo Kuniyoshi
author_facet	Aya Ogasawara Yoshiyuki Ohmura Yasuo Kuniyoshi
author_sort	Aya Ogasawara
title	Reward sensitivity differs depending on global self-esteem in value-based decision-making
title_short	Reward sensitivity differs depending on global self-esteem in value-based decision-making
title_full	Reward sensitivity differs depending on global self-esteem in value-based decision-making
title_fullStr	Reward sensitivity differs depending on global self-esteem in value-based decision-making
title_full_unstemmed	Reward sensitivity differs depending on global self-esteem in value-based decision-making
title_sort	reward sensitivity differs depending on global self-esteem in value-based decision-making
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/638894741bd2441a9ca79257019ee104
work_keys_str_mv	AT ayaogasawara rewardsensitivitydiffersdependingonglobalselfesteeminvaluebaseddecisionmaking AT yoshiyukiohmura rewardsensitivitydiffersdependingonglobalselfesteeminvaluebaseddecisionmaking AT yasuokuniyoshi rewardsensitivitydiffersdependingonglobalselfesteeminvaluebaseddecisionmaking
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Reward sensitivity differs depending on global self-esteem in value-based decision-making

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