Body Image最新文献_第6页

Explaining the associations between adverse childhood experiences and body dissatisfaction through the lens of appearance stigma 从外貌耻辱感的角度解释童年不良经历与身体不满意之间的关系

IF 5.4 1区心理学 Q1 PSYCHIATRY

Body Image

Pub Date : 2025-10-31 DOI: 10.1016/j.bodyim.2025.101993

Christina M. Gaggiano , Siyu Wang , Wesley R. Barnhart , Feng Ji , Jinbo He

Empirical research evidence suggests an association between adverse childhood experiences (ACEs) and body dissatisfaction. However, prior research predominantly focused on body fat dissatisfaction, with limited research on muscularity dissatisfaction. Also, limited research has clarified potential pathways between ACEs and body dissatisfaction. To fill these gaps, we examined the relationship between ACEs and both body fat and muscularity dissatisfaction and proposed a theoretical model from the lens of appearance stigma where the experienced (i.e., weight and muscularity teasing) and internalized (i.e., weight and muscularity bias internalization) appearance stigma act as potential pathways. Data were collected online from 800 Chinese adults (n_women = 400, n_men = 400). Bivariate correlation analyses and structural equation modeling (SEM) were conducted separately by gender. Results showed significant positive correlations between ACEs and both body fat and muscularity dissatisfaction in men and women (rs = .24–.30, ps < .001). The proposed model could fully explain the relationships between ACEs and body dissatisfaction for both genders. Specifically, ACEs were associated with higher experienced and internalized appearance stigma, which, in turn, were related to higher body fat and muscularity dissatisfaction. Findings underscore the potential importance of targeting both experienced and internalized appearance stigma to mitigate the potential impact of ACEs on body dissatisfaction.

实证研究证据表明，不良童年经历（ace）与身体不满之间存在关联。然而，先前的研究主要集中在对身体脂肪的不满上，对肌肉不满的研究有限。此外，有限的研究已经阐明了ace和身体不满之间的潜在途径。为了填补这些空白，我们研究了ace与身体脂肪和肌肉不满之间的关系，并从外表耻辱感的角度提出了一个理论模型，其中经验（即体重和肌肉取笑）和内化（即体重和肌肉偏见内化）外表耻辱感作为潜在途径。在线收集了800名中国成年人（女性400人，男性400人）的数据。双变量相关分析和结构方程模型（SEM）分别按性别进行。结果显示，ace与男性和女性体脂和肌肉不满意程度呈正相关（rs = .24 -）。30日,ps & lt; 措施)。所提出的模型可以充分解释ace与两性身体不满之间的关系。具体来说，ace与更高的经验和内化的外表耻辱感有关，而外表耻辱感又与更高的体脂和肌肉不满有关。研究结果强调了针对经验和内化的外表耻辱感的潜在重要性，以减轻ace对身体不满的潜在影响。

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引用次数: 0

Prospective associations between self-compassion, emotional dysregulation, and negative body image components in an international sample of adult women 自我同情、情绪失调和负面身体形象成分在国际成年女性样本中的前瞻性关联

IF 5.4 1区心理学 Q1 PSYCHIATRY

Body Image

Pub Date : 2025-10-31 DOI: 10.1016/j.bodyim.2025.101994

Mariel Messer , Claudia Liu , Robyn L. Moffitt , Sohee Lee , Jake Linardon

Grounded in emotion regulation theory, cross-sectional research has shown that difficulties managing emotions are strongly associated with negative body image. However, a lack of prospective investigations limits our understanding of the temporal dynamics of these relationships, and whether different emotion dysregulation facets are relevant for distinct components of negative body image. We examined prospective associations between emotional regulation (i.e., self-compassion) and dysregulation (i.e., non-acceptance of negative emotions, problems with impulse control, lack of emotional clarity, limited access to emotion regulation strategies, and an inability to engage in goal directed behaviors) with negative body image components (dissatisfaction, fear of weight gain, feeling fat, over-evaluation, and preoccupation) in 3039 adult women at baseline (T1) and 8 months (T2). Higher self-compassion and lower emotion dysregulation strategies consistently predicted better body image outcomes in univariate models (R² =.31–.52), with all predictors significant for feeling fat, fear of weight gain, and preoccupation. In multivariate models (R² =.35–.72), only self-compassion predicted lower fear of weight gain and overvaluation. These findings support theoretical models linking emotion dysregulation to body image disturbance, while highlighting self-compassion as a particularly robust predictor and potential target for prevention and intervention efforts.

基于情绪调节理论，横断面研究表明，情绪管理的困难与消极的身体形象密切相关。然而，缺乏前瞻性研究限制了我们对这些关系的时间动态的理解，以及不同的情绪失调方面是否与负面身体形象的不同组成部分相关。我们研究了3039名成年女性在基线（T1）和8个月（T2）时情绪调节（即自我同情）和调节失调（即不接受负面情绪、冲动控制问题、缺乏情绪清晰度、有限的情绪调节策略和无法参与目标导向行为）与负面身体形象成分（不满、害怕体重增加、感觉肥胖、过度评价和专注）之间的前瞻性关联。在单变量模型中，较高的自我同情和较低的情绪失调策略一致预测较好的身体形象结果（R²= 0.31 -）。52)，所有的预测因素都与感觉肥胖、害怕体重增加和注意力集中有关。在多元模型中(R²=.35 -。72)，只有自我同情能降低对体重增加和高估的恐惧。这些发现支持了将情绪失调与身体形象障碍联系起来的理论模型，同时强调了自我同情是一个特别强大的预测因素，也是预防和干预努力的潜在目标。

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引用次数: 0

Assessment and adaptation of the model of gratitude, body appreciation, and intuitive eating among Brazilian women 巴西女性感恩、身体欣赏和直觉饮食模式的评估与适应

IF 5.4 1区心理学 Q1 PSYCHIATRY

Body Image

Pub Date : 2025-10-30 DOI: 10.1016/j.bodyim.2025.101988

Tassiana Aparecida Hudson , Pedro Henrique Berbert de Carvalho , Ana Carolina Soares Amaral , Maria Elisa Caputo Ferreira

The body gratitude and appreciation model suggests that women who experience gratitude tend to have greater body appreciation and engage in more intuitive eating. This relationship is mediated by a lower investment of their self-worth in appearance and others’ approval, as well as a reduced tendency to compare their bodies and food choices. Given the limited theoretical research on the development of positive body image among the Brazilian population, this study tested this model using structural equation modeling with a sample of 2136 Brazilian university women aged 18–35 years. The model demonstrated a good fit to the data, with all paths being significant. Mediation analyses indicated that gratitude was indirectly associated with body appreciation and intuitive eating through reduced investment in appearance and others’ approval, and lower levels of body and eating comparison. Notably, the majority of gratitude's effect on body appreciation was direct, accounting for 72.72 % of the total effect. These findings underscore the central role of body appreciation in the model and offer a theoretical foundation for future research focused on promoting positive body image in this population.

身体感恩和欣赏模型表明，经历过感恩的女性往往对身体有更强的欣赏能力，并且会更直觉地进食。这种关系是由他们在外表和他人认可上的自我价值投资较少，以及比较自己的身体和食物选择的倾向减少所介导的。鉴于巴西人口中积极身体形象发展的理论研究有限，本研究使用结构方程模型对2136名年龄在18-35岁的巴西大学女性样本进行了测试。该模型与数据拟合良好，所有路径均显著。中介分析表明，感恩通过减少对外表和他人认可的投入，以及较低的身体和饮食比较水平，与身体欣赏和直觉性饮食间接相关。值得注意的是，感恩对身体欣赏的影响主要是直接的，占总影响的72.72% %。这些发现强调了身体欣赏在模型中的核心作用，并为未来的研究提供了理论基础，重点是在这一人群中促进积极的身体形象。

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引用次数: 0

How self-compassion moderates the associations of body image with eating disorder psychopathology, eating-related psychosocial impairment, and psychological distress: A longitudinal study in Chinese adolescents 自我同情如何调节身体形象与饮食失调、精神病理、饮食相关社会心理障碍和心理困扰的关联：一项针对中国青少年的纵向研究。

IF 5.4 1区心理学 Q1 PSYCHIATRY

Body Image

Pub Date : 2025-10-29 DOI: 10.1016/j.bodyim.2025.101989

Zhaoyi Pan , Yuhan Chen , Wesley R. Barnhart , Shuqi Cui , Gui Chen , Feng Ji , Jason M. Nagata , See Heng Yim , Jinbo He

Although robust evidence supports the protective role of self-compassion in the links between body image, eating disorders (EDs), and mental well-being, previous research has predominantly used cross-sectional designs, focused on Western adult samples, and failed to distinguish between components of self-compassion, namely compassionate and uncompassionate self-responding. To address these gaps, we used a longitudinal design to examine how compassionate and uncompassionate self-responding moderated associations between body image (i.e., body dissatisfaction and body appreciation) and three outcome variables (i.e., ED psychopathology, eating-related psychosocial impairment, and psychological distress) among Chinese adolescents. A sample of 1428 adolescents (607 boys and 821 girls) participated in four waves of assessments over 18 months. A multilevel approach was used to test the moderation effects at within-person, between-person, and cross-levels separately for boys and girls. Results revealed sex-specific patterns: 1) at the within-person level, compassionate self-responding strengthened the associations between body image variables and ED psychopathology in boys, while uncompassionate self-responding weakened the effects of body appreciation on psychosocial impairment in girls; 2) compassionate self-responding attenuated the effects of body dissatisfaction and strengthened the effects of body appreciation at the between-person and/or cross-levels in girls only; 3) uncompassionate self-responding reinforced the links between body appreciation and/or body dissatisfaction and outcome variables in both sexes at the between-person and/or cross-levels. Findings provide a nuanced understanding of the differential aspects of self-compassion in body image, ED psychopathology, and mental health among adolescents, with important implications for culturally informed prevention strategies.

尽管强有力的证据支持自我同情在身体形象、饮食失调（EDs）和心理健康之间的联系中起保护作用，但之前的研究主要采用横断面设计，关注西方成人样本，未能区分自我同情的组成部分，即同情和不同情的自我反应。为了解决这些差距，我们采用纵向设计来研究富有同情心和无同情心的自我反应如何调节中国青少年身体形象（即身体不满和身体欣赏）与三个结果变量（即ED精神病理、饮食相关的社会心理障碍和心理困扰）之间的关联。1428名青少年（607名男孩和821名女孩）参加了为期18个月的四次评估。采用多水平方法分别对男孩和女孩在人内、人间和跨水平上的调节效应进行了测试。结果显示出性别差异：1)在人内水平上，体恤性自我反应强化了男孩身体形象变量与ED精神病理的关联，而非体恤性自我反应削弱了女孩身体欣赏对心理社会障碍的影响；2)仅在女孩中，体恤性自我反应在人际和/或跨层面上减弱了身体不满的影响，增强了身体欣赏的影响；3)冷漠的自我反应强化了身体欣赏和/或身体不满与结果变量之间的联系，在人与人之间和/或跨性别水平。研究结果对自我同情在身体形象、ED精神病理和青少年心理健康方面的不同方面提供了细致的理解，对文化知情的预防策略具有重要意义。

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引用次数: 0

Body appreciation moderates the relationship between self-objectification and disordered eating among pregnant women 身体欣赏调节孕妇自我物化与饮食失调之间的关系。

IF 5.4 1区心理学 Q1 PSYCHIATRY

Body Image

Pub Date : 2025-10-29 DOI: 10.1016/j.bodyim.2025.101990

Shahar Zaguri-Vittenberg, Rotem Kahalon

Literature has consistently documented an adverse association between self-objectification and eating disorders in the general population. Yet, this association has received less attention during pregnancy. Focusing on pregnant women, we tested whether body appreciation, i.e., a positive attitude toward one's body regardless of its appearance, may serve as a protective factor in the relationship between self-objectification and disordered eating symptoms. In a cross-sectional study, 389 primiparous pregnant women in their second to third trimester (M_age = 30.39) were recruited through relevant social media platforms. Participants completed a socio-demographic and health background questionnaire and self-objectification, disordered eating and body appreciation measures. Self-objectification was significantly and positively correlation with disordered eating symptoms. Moreover, body appreciation significantly moderated this relation, such that the relationship was significant for pregnant women with low and medium body appreciation levels, while it was nonsignificant for pregnant women with high body appreciation. The findings suggest that while women with high self-objectification may be more prone to disordered eating during pregnancy, high levels of body appreciation may serve as a protective factor, potentially mitigating negative experiences during the transition to motherhood. Thus, the findings highlight the clinical importance of prenatal interventions to foster body appreciation during pregnancy.

文献一致记录了一般人群中自我物化与饮食失调之间的不利联系。然而，这种关联在怀孕期间受到的关注较少。以孕妇为研究对象，我们测试了身体欣赏（body appreciation），即对自己的身体不顾其外表的积极态度，是否可能在自我物化与饮食失调症状之间的关系中起到保护作用。横断面研究通过相关社交媒体平台招募389名妊娠中期至晚期的初产妇（Mage = 30.39）。参与者完成了社会人口统计和健康背景问卷以及自我客观化、饮食失调和身体欣赏测量。自我物化与进食障碍症状显著正相关。此外，身材欣赏显著调节了这一关系，对于身材欣赏水平低和中等的孕妇，这一关系显著，而对于身材欣赏水平高的孕妇，这一关系不显著。研究结果表明，虽然自我物化程度高的女性在怀孕期间更容易饮食失调，但对身体的高度欣赏可能是一种保护因素，可能会减轻在成为母亲期间的负面经历。因此，研究结果强调了产前干预在怀孕期间培养身体欣赏的临床重要性。

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引用次数: 0

Social media and body image in young women: A meta-analysis of experimental studies on video- versus image-based platforms 社交媒体与年轻女性的身体形象：视频与图像平台实验研究的荟萃分析。

IF 5.4 1区心理学 Q1 PSYCHIATRY

Body Image

Pub Date : 2025-10-28 DOI: 10.1016/j.bodyim.2025.101991

Yu Zhang , Sihan Xiong , Nisha Yao , Jing Chen

Social media exposes young women to body-related content that can influence how they perceive their bodies. Given its broad influence, understanding when and how such exposure harms or improves body image is essential for supporting mental health. This meta-analysis synthesized experimental evidence to examine the causal effects of two types of content: body-ideal content promoting beauty standards and body-positive content encouraging acceptance. We also tested whether platform modality (image-based platforms such as Instagram vs. video-based platforms such as TikTok) moderated these effects. The analysis included 20 experimental studies involving 3603 young female participants. Exposure to body-positive content significantly improved body satisfaction (Cohen’s d = 0.20, p < .001), whereas exposure to body-ideal content significantly decreased it (Cohen’s d = −0.29, p < .001). Notably, video-based platforms intensified the negative effect: TikTok body-ideal content produced larger declines (d = −0.45) than Instagram image body-ideal content (d = −0.25). For body-positive content, effect sizes were similar across platforms (d = 0.21 vs. d = 0.20), although the number of available studies was limited. These findings provide causal evidence for the effects of social media exposure on body image and highlight platform modality as an important moderator. Body-positive content appears promising for digital interventions to promote body satisfaction, while the particularly harmful impact of body-ideal videos underscores the need to reduce exposure to such content in video-based environments.

社交媒体让年轻女性接触到与身体有关的内容，这会影响她们对自己身体的看法。鉴于其广泛的影响，了解这种接触何时以及如何损害或改善身体形象对于支持心理健康至关重要。本荟萃分析综合实验证据来检验两类内容的因果效应：促进审美标准的身体理想内容和鼓励接受的身体积极内容。我们还测试了平台模式（基于图像的平台，如Instagram与基于视频的平台，如TikTok）是否会缓解这些影响。该分析包括20项实验研究，涉及3603名年轻女性参与者。暴露于身体阳性内容显著提高了身体满意度(Cohen’s d = 0.20, p

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引用次数: 0

“My body is not mine”: A mixed methods study on trauma and the experience of embodiment “我的身体不是我的”：创伤与化身体验的混合方法研究。

IF 5.4 1区心理学 Q1 PSYCHIATRY

Body Image

Pub Date : 2025-10-22 DOI: 10.1016/j.bodyim.2025.101986

Bobo L. Josephson , Kristina Holmqvist Gattario , Johanna Kling , Niva Piran

This mixed methods study examined experience of embodiment in individuals with trauma. The participants, 201 women, 13 men, and 24 gender minorities (M_age = 37.68, SD = 10.74) with trauma, completed an online questionnaire that included measures of posttraumatic stress disorder (PTSD) symptoms, experience of embodiment, and an open-ended question asking them to describe their relationship with their bodies. Quantitative findings indicated a positive association between PTSD symptoms and negative experience of embodiment. Multiple regression analyses were conducted among the women sample only, with results indicating PTSD symptoms of negative alterations in cognitions and mood as unique predictors of experience of embodiment. The qualitative findings further described the participants’ relationships with their bodies through five themes: (I) The body is a place of pain, discomfort, and dissatisfaction; (II) The body and the self are separate; (III) Difficulties with the gaze of others; (IV) The trauma is in the body; and (V) Self-care, acceptance, and positive experiences of the body. We conclude that individuals with trauma report a breadth of disruptions in the way that they inhabit their bodies, yet they also attempt to foster positive embodiment, for example through attuned physical activities. Our findings suggest that clinical practice among individuals with experience(s) of trauma should address how they process and experience negative feelings in and toward their bodies.

这个混合方法的研究检验了创伤个体的化身体验。201名女性、13名男性和24名有创伤的少数性别（Mage = 37.68, SD = 10.74）的参与者完成了一份在线问卷，其中包括创伤后应激障碍（PTSD）症状的测量，化身体验，以及一个要求他们描述他们与自己身体关系的开放式问题。定量结果显示PTSD症状与负性身具体验呈正相关。多元回归分析仅在女性样本中进行，结果表明PTSD症状的认知和情绪的负面改变是体现体验的独特预测因素。定性研究结果通过五个主题进一步描述了参与者与身体的关系：(1)身体是痛苦、不适和不满的地方；（二）身体与自我是分离的；（三）难以接受他人的目光；（四）创伤在体内；（五）自我照顾、接纳和对身体的积极体验。我们得出的结论是，有创伤的人报告说，他们在居住自己身体的方式上有广泛的破坏，但他们也试图培养积极的化身，例如通过协调的身体活动。我们的研究结果表明，有创伤经历的个体的临床实践应该解决他们如何处理和体验对他们身体的负面情绪。

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引用次数: 0

Reframing the reflection: Can body positive videos boost body satisfaction? 重构反思：身体正面视频能提高身体满意度吗？

IF 5.4 1区心理学 Q1 PSYCHIATRY

Body Image

Pub Date : 2025-10-20 DOI: 10.1016/j.bodyim.2025.101980

Asher Salom , Celeste Tipple

As social media continues to promote unrealistic beauty standards, the body positive movement has gained prominence, promoting acceptance of diverse body types. This study investigated the effectiveness of body positive short-form videos in increasing body satisfaction. Specifically, it was hypothesised that viewing body positive short-form videos would lead to a significant increase in body satisfaction (H1), and that this increase would significantly differ between genders (H2). Additionally, it was hypothesised that levels of trait physical appearance comparison would significantly influence the effectiveness of these videos in improving body satisfaction (H3). To investigate these hypotheses, the present study employed a single-group pretest-posttest design with 135 participants aged 18–29 years (44 men, M age = 24.8; 91 women, M age = 24.8). Participants watched 7.5 min of body-positive short-form videos, with body satisfaction assessed pre- and post-exposure and trait appearance comparison measured at baseline. A robust mixed-design ANOVA was used to test H1 and H2, revealing a significant increase in body satisfaction after viewing body positive videos, with no significant difference between genders. A one-way ANCOVA tested H3, indicating that physical appearance comparison levels did not influence the effectiveness of body positive videos in increasing body satisfaction. The findings of this study highlight the potential of body positive short-form videos as an easily accessible intervention for increasing body satisfaction and challenges the applicability of appearance comparisons within this context, however, the lack of a control group limits causal inferences about the specific effects of body-positive content.

随着社交媒体继续宣扬不切实际的审美标准，身体积极运动得到了重视，促进了对不同体型的接受。本研究探讨身体正面短视频对提高身体满意度的效果。具体来说，我们假设观看身体正面短视频会导致身体满意度显著增加（H1），并且这种增加在性别之间存在显著差异（H2）。此外，据推测，特质外表比较的水平会显著影响这些视频在提高身体满意度方面的有效性（H3）。为了验证这些假设，本研究采用单组前测后测设计，共有135名年龄在18-29岁的参与者（44名男性，M年龄= 24.8；91名女性，M年龄= 24.8）。参与者观看了7.5 分钟的身体阳性短视频，并评估了暴露前后的身体满意度，并在基线上测量了特征外观比较。采用稳健混合设计方差分析对H1和H2进行检验，发现观看身体积极视频后，身体满意度显著增加，性别间无显著差异。单向ANCOVA测试H3，表明身体外观比较水平不影响身体正面视频提高身体满意度的有效性。本研究的结果强调了身体正面短视频作为提高身体满意度的一种容易获得的干预措施的潜力，并挑战了在这种情况下外观比较的适用性，然而，缺乏对照组限制了对身体正面内容具体效果的因果推断。

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引用次数: 0

A moderated-mediated model of family fat talk and eating disorder psychopathology among Chinese adolescents 中国青少年家庭肥胖谈话与饮食障碍精神病理的调节模型。

IF 5.4 1区心理学 Q1 PSYCHIATRY

Body Image

Pub Date : 2025-10-16 DOI: 10.1016/j.bodyim.2025.101983

Dan Li , Shuzhen Ruan , Wanyu Wu , Kui Wang , Michael P. Levine

Eating disorder psychopathology is common among Chinese adolescents, but whether and how it is associated with family fat talk is unknown. The present study tested a model linking family fat talk to eating disorder psychopathology through the indirect effects of body dissatisfaction and negative affect. The moderating role of gender in this model was also examined. Questionnaires were completed by 1,049 Chinese middle and high school students (574 girls; mean age = 15.12 years ± 1.22 years). Frequency of family fat talk was positively and strongly associated with eating disorder psychopathology. As predicted, body dissatisfaction and negative affect mediated this association. The entire path model explained nearly 55 % of the variance. The path from family fat talk → body dissatisfaction → eating disorder psychopathology was significantly stronger for girls than boys. Findings of the present study highlight the importance of addressing family fat talk, body dissatisfaction, and emotion regulation ability in eating disorder prevention and interventions.

饮食失调精神病理在中国青少年中很常见，但它是否以及如何与家庭肥胖谈话有关尚不清楚。本研究通过对身体不满和负面情绪的间接影响，检验了一个将家庭肥胖谈话与饮食失调精神病理联系起来的模型。性别在该模型中的调节作用也进行了检验。调查对象为1049名中国初高中学生，其中女生574名，平均年龄15.12岁±1.22岁。家庭肥胖谈话频率与饮食失调精神病理呈显著正相关。正如预测的那样，身体不满和负面影响介导了这种关联。整个路径模型解释了近55% %的方差。从家庭肥胖谈话→身体不满→饮食失调心理病理的路径女生明显强于男生。本研究结果强调了解决家庭肥胖谈话、身体不满和情绪调节能力在饮食失调预防和干预中的重要性。

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引用次数: 0

Connectome-based predictive modeling of longitudinal development of muscularity-oriented disordered eating and links with childhood maltreatment 肌肉导向进食障碍纵向发展的连接体预测模型及其与儿童虐待的联系。

IF 5.4 1区心理学 Q1 PSYCHIATRY

Body Image

Pub Date : 2025-10-15 DOI: 10.1016/j.bodyim.2025.101984

Bijie Tie , Sai Yao , Yixin Gao , Yang Viki Xu , D.A. Briley , Yunhong Wang , Jinbo He , Jiang Qiu

Objective

Muscularity-oriented disordered eating, characterized by disordered eating symptoms driven by the pursuit of a muscular physique, is an emerging public health concern. Although childhood maltreatment has been linked to thinness-oriented disordered eating, underpinned by the pursuit of a thin ideal, little is known about the longitudinal associations between specific subtypes and muscularity-oriented disordered eating or the neural mechanisms mediating these associations.

Method

This study used two-wave data from an ongoing research project tracking college freshmen at a university in Chongqing, China. At Time 1, 212 participants (Age: M (SD) = 18.87 (0.97) years; 38% men) completed behavioral assessments and resting-state fMRI scans, and 144 returned for follow-up at Time 2. We examined these relationships through connectome-based predictive modeling (CPM) and mediation analysis.

Results

Only childhood physical abuse showed a significant indirect effect on T2 muscularity-oriented disordered eating via T1 muscularity-oriented disordered eating. CPM identified the most significant predictive connections in the dorsolateral prefrontal cortex, inferior frontal gyrus, and cerebellum, with positive muscularity-oriented disordered eating networks primarily linking the salience/limbic network to the cerebellum and the fronto-parietal network to the default mode network. In the brain–behavior model, childhood physical abuse’s effect on muscularity-oriented disordered eating was partly mediated by these CPM-derived networks.

Conclusions

Childhood physical abuse emerged as a predictor of muscularity-oriented disordered eating from both behavioral and neural perspectives. These findings underscore the clinical importance of early identification of childhood physical abuse and support the development of integrated psychological and neurobiological interventions to prevent the development of muscularity-oriented disordered eating.

目的：以肌肉为导向的饮食失调是一个新兴的公共卫生问题，其特征是由追求肌肉体格驱动的饮食失调症状。虽然儿童虐待与追求瘦型饮食失调有关，但对特定亚型与肌肉导向型饮食失调之间的纵向关联或介导这些关联的神经机制知之甚少。方法：本研究使用了一项正在进行的研究项目的两波数据，该项目跟踪了中国重庆一所大学的大一新生。在时间1时，212名参与者(年龄：M (SD) = 18.87（0.97）岁；38%（男性）完成了行为评估和静息状态fMRI扫描，144人在时间2返回随访。我们通过基于连接体的预测建模（CPM）和中介分析来检验这些关系。结果：只有儿童期身体虐待通过T1期肌肉导向型进食障碍对T2期肌肉导向型进食障碍有显著的间接影响。CPM发现在背外侧前额叶皮层、额下回和小脑中存在最显著的预测连接，正向肌肉导向的进食紊乱网络主要将突出/边缘网络连接到小脑，将额顶叶网络连接到默认模式网络。在脑行为模型中，儿童身体虐待对肌肉导向饮食失调的影响部分是由这些cpm衍生的网络介导的。结论：从行为和神经的角度来看，儿童时期的身体虐待是肌肉导向饮食失调的预测因素。这些发现强调了早期识别儿童身体虐待的临床重要性，并支持综合心理和神经生物学干预的发展，以预防肌肉导向的饮食失调的发展。

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引用次数: 0