Affect dynamics and depressive symptomatology: Revisiting the inertia-instability paradox.

IF 3.4 2区心理学 Q1 PSYCHOLOGY, EXPERIMENTAL

Emotion Pub Date : 2024-12-05 DOI:10.1037/emo0001465

Anthony D Ong, Lijuan Wang, Yuan Fang, Guangjian Zhang, Raquael J Joiner, Kenneth T Wilcox, C S Bergeman

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引用次数: 0

Abstract

The inertia-instability paradox poses an intriguing question in depression research: How can the affective experiences of depressed individuals demonstrate both resistance to change and fluctuation? Prior studies examining this paradox have faced limitations, including small sample sizes, analytic approaches prone to biased parameter estimates, and inconsistent results. Using data from 842 adults (M_age = 54.31, SD = 13.25, age range: 18-88; 58.2% female) collected over 56 consecutive days, we applied dynamic structural equation modeling to quantify individualized indices of mean levels, variability, instability, and inertia of negative affect. When adjusting for shared variances among affect dynamic measures, depressive symptoms were uniquely associated with both higher mean levels and inertia of negative affect. However, neither variability nor instability demonstrated unique links to depressive symptoms after accounting for the mean and inertia. Findings indicate that greater predictability in day-to-day negative affect is an important dynamic feature of depression. (PsycInfo Database Record (c) 2024 APA, all rights reserved).

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情绪动力学和抑郁症状学：重新审视惯性-不稳定悖论。

惯性-不稳定悖论在抑郁症研究中提出了一个有趣的问题：抑郁症患者的情感体验如何同时表现出对变化和波动的抵抗力？先前对这一悖论的研究面临着局限性，包括样本量小、分析方法容易产生参数估计偏差以及结果不一致。数据来自842名成人(Mage = 54.31, SD = 13.25，年龄18-88岁；（58.2%为女性），我们采用动态结构方程模型来量化负面情绪的平均水平、变异性、不稳定性和惯性等个性化指标。在调整情绪动态测量的共同方差时，抑郁症状与较高的平均水平和消极情绪的惯性都有独特的关联。然而，在考虑到平均值和惯性之后，变异性和不稳定性都没有显示出与抑郁症状的独特联系。研究结果表明，日常负面影响的可预测性是抑郁症的一个重要动态特征。（PsycInfo Database Record (c) 2024 APA，版权所有）。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Emotion PSYCHOLOGY, EXPERIMENTAL-

CiteScore

8.40

自引率

7.10%

发文量

325

审稿时长

8 weeks

期刊介绍： Emotion publishes significant contributions to the study of emotion from a wide range of theoretical traditions and research domains. The journal includes articles that advance knowledge and theory about all aspects of emotional processes, including reports of substantial empirical studies, scholarly reviews, and major theoretical articles. Submissions from all domains of emotion research are encouraged, including studies focusing on cultural, social, temperament and personality, cognitive, developmental, health, or biological variables that affect or are affected by emotional functioning. Both laboratory and field studies are appropriate for the journal, as are neuroimaging studies of emotional processes.