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<p>Extensive research has supported rumination as a form of repetitive negative thinking closely associated with increased depressive symptoms in college students. Previous studies that have focused on impulsivity did not pay attention to the dimension of emotion, which might be the key factor that influences depression. Meanwhile, cognitive factors, such as inhibition, should be considered, as they are closely related to depression. However, how cognition, such as inhibition, might affect the relationship between rumination and depression is not clearly explored. To address these research gaps, this study aims to focus on the emotional aspect of impulsivity in the relationship between rumination and depressive symptoms. Additionally, we aim to study the moderating effect of inhibition in this mediating model. This study involved 107 Chinese college students (M=20.70, SD=1.18) from a university in Kaili City, Guizhou Province, China. Participants completed the Ruminative Responses Scale (RRS), UPPS Impulsive Behavior Scale (UPPS-P), Self-Rating Depression Scale (SDS), and the Stroop task. The SPSS Process Model 15 was used to investigate the psychological mechanisms between rumination and depression symptoms. Significantly positive correlations were observed among rumination, emotion-related impulsivity, and depressive symptoms. Additionally, we found that emotion-related impulsivity could fully mediate the relationship between rumination and depressive symptoms. Furthermore, we discovered that inhibition could moderate the mediation model, as individuals with high levels of inhibition experienced a smaller negative impact of rumination on their depressive symptoms compared to individuals with low levels of inhibition. Our results revealed the significant roles of emotion-related impulsivity and inhibition in the relationship between rumination and depressive symptoms. These findings emphasize the importance of considering emotion-related impulsivity and inhibition in interventions aimed at addressing depressive symptoms among college students.</p>

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The role of emotion-related impulsivity and inhibition in the associations between rumination and depressive symptoms in college students: the moderated mediation model

  • 期刊论文

  • 发表日期：

    2025年4月2日

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  • Yanman Long,
  • Mei Yu

摘要

Extensive research has supported rumination as a form of repetitive negative thinking closely associated with increased depressive symptoms in college students. Previous studies that have focused on impulsivity did not pay attention to the dimension of emotion, which might be the key factor that influences depression. Meanwhile, cognitive factors, such as inhibition, should be considered, as they are closely related to depression. However, how cognition, such as inhibition, might affect the relationship between rumination and depression is not clearly explored. To address these research gaps, this study aims to focus on the emotional aspect of impulsivity in the relationship between rumination and depressive symptoms. Additionally, we aim to study the moderating effect of inhibition in this mediating model. This study involved 107 Chinese college students (M=20.70, SD=1.18) from a university in Kaili City, Guizhou Province, China. Participants completed the Ruminative Responses Scale (RRS), UPPS Impulsive Behavior Scale (UPPS-P), Self-Rating Depression Scale (SDS), and the Stroop task. The SPSS Process Model 15 was used to investigate the psychological mechanisms between rumination and depression symptoms. Significantly positive correlations were observed among rumination, emotion-related impulsivity, and depressive symptoms. Additionally, we found that emotion-related impulsivity could fully mediate the relationship between rumination and depressive symptoms. Furthermore, we discovered that inhibition could moderate the mediation model, as individuals with high levels of inhibition experienced a smaller negative impact of rumination on their depressive symptoms compared to individuals with low levels of inhibition. Our results revealed the significant roles of emotion-related impulsivity and inhibition in the relationship between rumination and depressive symptoms. These findings emphasize the importance of considering emotion-related impulsivity and inhibition in interventions aimed at addressing depressive symptoms among college students.