vmPFC-IPL功能连接是未来自我连续性影响拖延症的神经基础:预期积极结果的中介作用。

IF 4.7 2区 心理学 Q1 BEHAVIORAL SCIENCES
Xiaotian Zhao, Rong Zhang, Tingyong Feng
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引用次数: 0

摘要

拖延被普遍认为是一种有问题的行为,会对个人生活的各个方面产生广泛的影响,包括学习成绩、社会成就和心理健康。尽管以往的研究表明,未来自我连续性与拖延症呈显著负相关,但未来自我连续性对拖延症影响的神经机制仍是未知数。为了解决这个问题,我们采用了一种自由构建的方法来收集个体对特定拖延任务的外显未来思维(EFT)想法。接下来,我们进行了体素形态计量(VBM)和静息态功能连接(RSFC)分析,以探索未来自我连续性的神经基底。行为结果显示,未来自我连续性与拖延显著负相关,与预期积极结果正相关。VBM 分析显示,未来自我连续性与右侧腹内侧前额叶皮层(vmPFC)的灰质体积呈正相关。此外,RSFC 结果表明,右侧 vmPFC 和左侧下顶叶(IPL)之间的功能连接与未来自我连续性呈正相关。更重要的是,中介分析表明,预期的积极结果可以完全中介 vmPFC-IPL 功能连接与拖延之间的关系。这些研究结果表明,vmPFC-IPL功能连接可能会促使人们对任务产生预期的积极结果,从而减少拖延,这为理解未来自我连续性与拖延之间的关系提供了一个新的视角。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The vmPFC-IPL functional connectivity as the neural basis of future self-continuity impacted procrastination: the mediating role of anticipated positive outcomes.

Procrastination is universally acknowledged as a problematic behavior with wide-ranging consequences impacting various facets of individuals' lives, including academic achievement, social accomplishments, and mental health. Although previous research has indicated that future self-continuity is robustly negatively correlated with procrastination, it remains unknown about the neural mechanisms underlying the impact of future self-continuity on procrastination. To address this issue, we employed a free construction approach to collect individuals' episodic future thinking (EFT) thoughts regarding specific procrastination tasks. Next, we conducted voxel-based morphometry (VBM) and resting-state functional connectivity (RSFC) analysis to explore the neural substrates underlying future self-continuity. Behavior results revealed that future self-continuity was significantly negatively correlated with procrastination, and positively correlated with anticipated positive outcome. The VBM analysis showed a positive association between future self-continuity and gray matter volumes in the right ventromedial prefrontal cortex (vmPFC). Furthermore, the RSFC results indicated that the functional connectivity between the right vmPFC and the left inferior parietal lobule (IPL) was positively correlated with future self-continuity. More importantly, the mediation analysis demonstrated that anticipated positive outcome can completely mediate the relationship between the vmPFC-IPL functional connectivity and procrastination. These findings suggested that vmPFC-IPL functional connectivity might prompt anticipated positive outcome about the task and thereby reduce procrastination, which provides a new perspective to understand the relationship between future self-continuity and procrastination.

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来源期刊
Behavioral and Brain Functions
Behavioral and Brain Functions 医学-行为科学
CiteScore
5.90
自引率
0.00%
发文量
11
审稿时长
6-12 weeks
期刊介绍: A well-established journal in the field of behavioral and cognitive neuroscience, Behavioral and Brain Functions welcomes manuscripts which provide insight into the neurobiological mechanisms underlying behavior and brain function, or dysfunction. The journal gives priority to manuscripts that combine both neurobiology and behavior in a non-clinical manner.
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