The role of sibling aggression during childhood in decision-making during adulthood
Bedwell, Stacey A. and Harrison, Natalie and Fradley, Sara and Brooks, Matthew (2023) The role of sibling aggression during childhood in decision-making during adulthood. Current Psychology. ISSN 1046-1310
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Abstract
Research shows sibling relationships can influence cognitive development, specifically in terms of high-order processes involved in social functioning. These high-order processes take place in the human prefrontal cortex. While prefrontal connectivity can be influenced by factors experienced during developmental phases, it remains unclear how experiences of aggression towards a sibling in childhood can contribute to high-order processes in adulthood, specifically decision-making. Through two studies, we sought to establish a relationship between sibling aggression and decision-making styles reported in adulthood, as well as real-time risky decision-making. Study 1 examined the relationship between childhood experiences of sibling aggression and high-order function, specifically decision-making. Self-reports from 142 adult participants revealed that using sibling aggression to maintain dominance (ESAS; Harrison, 2017) was linked to avoidant and spontaneous decision-making (GDMS; Scott & Bruce, 1995). The findings reported here indicate a possible role of sibling aggression in the development of avoidant and spontaneous decision-making styles. Study 2 investigated the relationship between childhood sibling aggression (ESAS; Harrison, 2017) and performance in risky decision-making tasks (IOWA gambling task; Bechara et al., 2000) among 75 adult participants. It revealed that experiences of sibling aggression did not predict risky decision-making. These findings indicate that the types of decisions made may be influenced by childhood sibling aggression, but not the level of risk involved in decisions made.
| Item Type: | Article | ||||||
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| Identification Number: | https://doi.org/10.1007/s12144-023-04475-7 | ||||||
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| Uncontrolled Keywords: | Cognitive development, Decision-making, Prefrontal cortex, Sibling aggression, Executive function | ||||||
| Subjects: | CAH04 - psychology > CAH04-01 - psychology > CAH04-01-01 - psychology (non-specific) | ||||||
| Divisions: | Faculty of Business, Law and Social Sciences > School of Social Sciences > Dept. Psychology | ||||||
| Depositing User: | Gemma Tonks | ||||||
| Date Deposited: | 01 Aug 2023 12:17 | ||||||
| Last Modified: | 01 Aug 2023 12:17 | ||||||
| URI: | https://www.open-access.bcu.ac.uk/id/eprint/14640 |
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