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Negative Influence of the Hunger State on Rule-observance Behavior in Mice

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Title
Negative Influence of the Hunger State on Rule-observance Behavior in Mice
Author(s)
Abdelrahman M. Alkahwaji; Hee Sup Shin; C. Justin Lee
Publication Date
2023-02
Journal
Experimental Neurobiology, v.32, no.1, pp.31 - 41
Publisher
Korean Society for Neurodegenerative Disease
Abstract
Developing social strategies to share limited resources equally and maximize the long-term benefits of conflict resolution is critical for appropriate social interactions. During social interactions, social decision-making depends not only on the external environment, but also on internal factors, such as hunger, thirst, or fatigue. In particular, hunger, which is related to food as a physical need, plays a dominant role in social decision-making. However, the consequences of food deprivation on social decision-making are not well understood. We have previously shown that mice with rule-observance behavior are capable of resolving conflict during social decision-making by observing a well-established social strategy based on reward zone allocation. Here, we developed a rule-observance behavior paradigm wherein the hunger state is achieved by applying food restrictions on mice prior to social behavior experiments. We found that the hunger state in mice deteriorated the established social strategy by decreasing reaction time, implying an increase in impulsivity. In contrast, the hunger state did not affect reward zone allocation, indicating no effect on spatial memory. This decrease in reaction time led to a significant increase in the percentage of violations during rule observance and a significant decrease in the amount of reward (payoff equity). Our study proposes that the hunger state exerts a detrimental effect on appropriate social decision-making by decreasing reaction time, increasing violation, and decreasing payoff equity in rule-observance behavior. Copyright © Experimental Neurobiology 2023.
URI
https://pr.ibs.re.kr/handle/8788114/13626
DOI
10.5607/en22036
ISSN
1226-2560
Appears in Collections:
Center for Cognition and Sociality(인지 및 사회성 연구단) > 1. Journal Papers (저널논문)
Center for Cognition and Sociality(인지 및 사회성 연구단) > Social Neuroscience Group(사회성 뇌과학 그룹) > 1. Journal Papers (저널논문)
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