Journal of Behavioral Addictions最新文献

{"title":"Impact of digital addiction on youth health: A systematic review and meta-analysis.","authors":"Blen Dereje Shiferaw, Jie Tang, Yingxue Wang, Yihan Wang, Yuhao Wang, Louisa Esi Mackay, Yunjiao Luo, Na Yan, Xinyu Shen, Tong Zhou, Yiran Zhu, Jialin Cai, Qingzhi Wang, Wenjun Yan, Xiuyin Gao, Haifeng Pan, Wei Wang","doi":"10.1556/2006.2025.00081","DOIUrl":"10.1556/2006.2025.00081","url":null,"abstract":"<p><strong>Background and aims: </strong>Digital addiction among youth, characterized by excessive and compulsive use of digital devices such as smartphones, computers, and social media platforms, has become a global concern. The present study aimed to investigate the association between digital addiction subtypes in youth and various health outcomes using \"digital addiction\" as an umbrella term.</p><p><strong>Methods: </strong>We comprehensively reviewed articles reporting health outcomes related to digital addiction in youth from the Chinese National Knowledge Infrastructure (CNKI), Wanfang, PubMed, and Web of Science databases using a targeted search strategy and assessed them using predefined inclusion and exclusion criteria.</p><p><strong>Results: </strong>Youth with digital addiction were more likely to be overweight or obese (OR: 1.25, 95%CI: 1.03-1.48), reporting poor self-rated health (OR: 1.75, 95%CI: 1.42-2.08), and experience sleep problems such as insomnia (OR: 1.46, 95%CI: 1.33-1.59) and poor sleep quality (OR: 1.50, 95%CI: 1.37-1.64). These individuals also demonstrated higher odds of mental health concerns, including suicidal tendencies (OR: 2.63, 95%CI: 2.36-2.90), symptoms of depression (OR: 1.76, 95%CI: 1.68-1.83), stress (OR: 2.15, 95%CI: 1.79-2.52), and anxiety (OR: 2.14, 95%CI: 1.99-2.28). Furthermore, they were more prone to engage in smoking (OR: 1.55, 95%CI: 1.41-1.68), problematic alcohol consumption (OR: 1.47, 95%CI: 1.33-1.60), and drug use (OR: 1.94, 95%CI: 1.44-2.44).</p><p><strong>Conclusions: </strong>The present findings suggest that digital addiction among youth has a significant and wide range of detrimental health outcomes, including physical, mental, and behavioral issues.</p>","PeriodicalId":15049,"journal":{"name":"Journal of Behavioral Addictions","volume":" ","pages":"1129-1158"},"PeriodicalIF":6.2,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12486297/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145033141","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Problematic pornography use as an externalizing depression symptom in cisgender men: A cross-sectional questionnaire study.","authors":"Andreas Walther, Ulrike Ehlert, Nikola Komlenac","doi":"10.1556/2006.2025.00070","DOIUrl":"10.1556/2006.2025.00070","url":null,"abstract":"<p><strong>Background and aim: </strong>Depression is characterized by feeling sad, empty, hopeless, and a markedly diminished interest or pleasure in almost all daily activities. However, men often exhibit externalizing depression symptoms, such as abusing alcohol or drugs, or displaying irritability or anger, which align with how men are expected to be and behave, thus conforming to masculinity ideologies. The present study investigates whether problematic pornography use (PPU), which is characterized by poor impulse control and distressing or problematic perceptions of one's pornography consumption, may function as an externalizing depression symptom.</p><p><strong>Methods: </strong>We assessed depression, externalizing symptoms, conformity to masculinity ideologies, and PPU among 265 cisgender men (age: M = 31.8, SD = 7.0; 90.2% identified as heterosexual, 9.8% as sexual minority) living in German-speaking countries of Europe. A manifest mediation path model showed that more depressive symptoms (predictor) were associated with stronger conformity to masculinity ideologies (mediator), which in turn was linked to both more externalizing symptoms (Outcome 1) and increased PPU (Outcome 2).</p><p><strong>Results: </strong>The correlation between conformity to masculinity ideologies and externalizing symptoms was not significant. The two indirect paths from depressive symptoms to the two outcomes through conformity to masculinity ideologies did not differ significantly in strength.</p><p><strong>Discussion and conclusions: </strong>These findings suggest that PPU may serve a similar psychological function as other externalizing symptoms by allowing men to mask depressive symptoms through behaviors that align with masculinity ideologies. Future interventions should examine whether screening for PPU can help identify men experiencing mental health issues and employing maladaptive coping strategies.</p>","PeriodicalId":15049,"journal":{"name":"Journal of Behavioral Addictions","volume":" ","pages":"1444-1455"},"PeriodicalIF":6.2,"publicationDate":"2025-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12486261/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145015500","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Forms of interventions for problematic usage of the internet: A scoping review.","authors":"Irene P Carvalho, Artemisa R Dores, Ilaria Cataldo, Valeria Catalani, Luca Pellegrini, Elisabeth Prevete, Natalie Hall, Thomas Zandonai, Andres Roman-Urrestarazu, Julius Burkauskas, Alessandro Carollo, Gianluca Esposito, Jose M Menchon, Hans-Jürgen Rumpf, Zsolt Demetrovics, Ornella Corazza","doi":"10.1556/2006.2025.00058","DOIUrl":"10.1556/2006.2025.00058","url":null,"abstract":"<p><strong>Background and aims: </strong>This scoping review aims to identify current forms of interventions for Problematic Usage of the Internet (PUI) to inform more effective intervention and policy-making initiatives grounded in robust empirical evidence.</p><p><strong>Methods: </strong>The search was conducted in the PubMed, Scopus, and PsycINFO databases until October 12, 2024. Empirical research presenting data on interventions for PUI and written in English was included without restrictions of age groups, types of interventions, or types of PUI.</p><p><strong>Results: </strong>Five main forms of interventions for PUI were identified in the 77 studies included in the review, namely, pharmacotherapy, transcranial direct current stimulation, physical exercise, electroacupuncture, and psychotherapy or educational programs. Most studies were conducted in Asian and Middle-Eastern countries, and various validated instruments were used to assess PUI. Psychotherapy and education were the most common interventions in research. Apart from time spent online, positive results of the various interventions were reported on the respective PUI scales in most studies. However, studies with rigorous designs showed non-significant changes, suggesting that methodological differences may influence the reported outcomes.</p><p><strong>Discussion and conclusions: </strong>The different interventions reflect the multidimensional nature and complexity of PUI treatment and prevention strategies. Although current interventions show potential, more robust and rigorous study designs are necessary to draw definite conclusions. Further investigation is needed to understand the influence of comorbidities and the impact of individuals actively seeking help on treatment outcomes. Additionally, more substantial evidence is required to evaluate the effectiveness of PUI prevention efforts, particularly considering varying levels of PUI severity.</p>","PeriodicalId":15049,"journal":{"name":"Journal of Behavioral Addictions","volume":" ","pages":"1159-1198"},"PeriodicalIF":6.2,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12486281/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145000636","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Risky online buying-shopping behavior: The role of stress responsivity on the transfer from goal-directed behavior to stimulus-response habits.","authors":"Tobias A Thomas, Anna M Schmid, Nicolas K Erdal, Stefan Blümel, Silke M Müller, Christian J Merz, Oliver T Wolf, Matthias Brand, Sabine Steins-Loeber, Astrid Müller","doi":"10.1556/2006.2025.00062","DOIUrl":"10.1556/2006.2025.00062","url":null,"abstract":"<p><strong>Background and aim: </strong>There is a lack of research on the stress-related transfer from goal-directed behavior to stimulus-response habits in (early stages of) online buying-shopping disorder (BSD). This study investigated the Pavlovian-to-instrumental transfer (PIT) effect after reward devaluation (PIT-dev) as indicator of habitual behavior and its modulation by acute stress in individuals with risky (online) buying-shopping (r-BSh).</p><p><strong>Methods: </strong>Individuals with r-BSh (n = 67) and a control group (n = 67) underwent a PIT paradigm with devaluation procedure. A stress induction/control procedure was administered after the first part of the paradigm. Four salivary samples (alpha-amylase, sAA; cortisol, sCort) and subjective stress ratings were collected before/after stress induction.</p><p><strong>Results: </strong>Individuals with r-BSh showed higher sAA levels (after stress induction), but comparable sCort and subjective stress levels to the control group. The devaluation reduced, albeit not abolished, shopping-specific instrumental behaviors in both groups, particularly in neutral trials. There were no interaction effects of stress condition, group and devaluation on shopping-specific response choice in the preregistered analysis. sCort response significantly predicted PIT-dev as indicator for habitual behavior. Exploratory analyses showed that interactions of BSD symptom severity with subjective and sCort stress response predicted PIT-dev.</p><p><strong>Discussion and conclusions: </strong>The findings are mixed. They show some evidence for a stress-related shift to habitual shopping-specific behaviors in persons with higher symptom severity yet they do not match findings of other planned analyses. Further research is needed to clarify the role of stress in PIT effects and potentially habitual behaviors, which may have implications for prevention/early intervention.</p>","PeriodicalId":15049,"journal":{"name":"Journal of Behavioral Addictions","volume":" ","pages":"1326-1342"},"PeriodicalIF":6.2,"publicationDate":"2025-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12486293/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144955108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Salience and tolerance are not indicators of problematic social media use: Evidence from the Social Media Disorder Scale and the Bergen Social Media Addiction Scale.","authors":"Víctor Ciudad-Fernández, Loïs Fournier, Tamara Escrivá-Martínez, Rosa Baños, Alfredo Zarco-Alpuente, Joël Billieux","doi":"10.1556/2006.2025.00073","DOIUrl":"10.1556/2006.2025.00073","url":null,"abstract":"<p><strong>Background and aims: </strong>The components model of addiction outlines six criteria shared by all addictive disorders. This proposal has been widely applied to conceptualize behavioral addictions, including problematic social media use (PSMU). However, certain criteria can be defined as \"core\" (e.g., mood modification, relapse, withdrawal, conflict), reflecting problematic involvement, while others as \"peripheral\" (e.g., salience, tolerance), reflecting non-problematic involvement. We evaluated whether a two-factor model distinguishing between core and peripheral criteria provides a better fit than the unifactorial model in PSMU. Additionally, we examined whether core and peripheral criteria exhibit different patterns of association with psychological measures.</p><p><strong>Methods: </strong>A total of 2,761 adolescents (M = 14.80 years, SD = 1.91 years) completed the Bergen Social Media Addiction Scale (BSMAS), the Social Media Disorder Scale (SMD), and measures of depression, anxiety, loneliness, life satisfaction, and self-esteem. Confirmatory factor analyses compared one-factor and two-factor models for the BSMAS and SMD. Associations were evaluated using structural equation models.</p><p><strong>Results: </strong>A two-factor model that distinguished core (i.e., mood modification, relapse, withdrawal, conflict) and peripheral (i.e., salience, tolerance) criteria provided a better fit than the unifactorial model for both scales. Core criteria were positively associated with depression, anxiety, and loneliness, and negatively associated with life satisfaction and self-esteem. Opposite patterns were observed for peripheral criteria: they were negatively associated with depression, anxiety, and loneliness, and positively associated with life satisfaction and self-esteem.</p><p><strong>Discussion and conclusions: </strong>Our findings suggest that the components model of addiction may not be valid for assessing PSMU, promoting overdiagnosis and pathologization.</p>","PeriodicalId":15049,"journal":{"name":"Journal of Behavioral Addictions","volume":" ","pages":"1380-1393"},"PeriodicalIF":6.2,"publicationDate":"2025-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12486260/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144955105","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"How do cumulative family risks influence the trajectory of problematic social media use among Chinese adolescents: A three-year longitudinal study.","authors":"Kai Dou, Yan-Yu Li, Meng-Li Wang, Xue-Qing Yuan, Wei-Xuan Liang","doi":"10.1556/2006.2025.00074","DOIUrl":"10.1556/2006.2025.00074","url":null,"abstract":"<p><strong>Background and aims: </strong>Problematic social media use (PSMU) is a concerning public health issue among adolescents. Existing literature has paid attention to the role of singular family risk on PSMU, but how cumulative family risks affect the trajectory of PSMU needs to be further explored.</p><p><strong>Methods: </strong>The current study employed a five-wave longitudinal design that lasted for three years (each time interval: 6, 6, 12, and 12 months) to reveal the longitudinal mechanism between cumulative family risks and the trajectory of PSMU, examining the mediating roles of escape and relationship motivations. This study investigated 1,973 adolescents (Mage = 14.51, SDage = 1.49; age range: 11.95-17.45 years old; 47.4% females; 40% middle school) from southern China at wave 1, and the final sample size was 882 at wave 5.</p><p><strong>Results: </strong>PSMU among Chinese adolescents presented with a stable tendency. In addition, cumulative family risks positively predicted the initial level (B = 0.21, SE = 0.02, p < 0.001) but not the slopes of PSMU. Moreover, escape motivation mediated the association between cumulative family risks and the trajectory of PSMU (Bintercept = 0.10, SE = 0.01, 95%CI = [0.076, 0.118]; Blinear slope = -0.03, SE = 0.01, 95%CI = [-0.040, -0.019]; Bquadratic slope = 0.004, SE = 0.001, 95%CI = [0.002, 0.006]).</p><p><strong>Conclusions: </strong>Findings suggest that adolescents who experience cumulative family risks may be more likely to develop PSMU, potentially via the drive to escape from real life. A favorable family environment may be conducive to mitigating adolescent escape motivation and PSMU.</p>","PeriodicalId":15049,"journal":{"name":"Journal of Behavioral Addictions","volume":" ","pages":"1394-1410"},"PeriodicalIF":6.2,"publicationDate":"2025-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12486274/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144955116","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Early childhood screen use and symptoms of problematic media use.","authors":"Caroline Fitzpatrick, Marie-Andrée Binet, Daniel Tornaim Spritzer, Gabriel A Tiraboschi, Sarah E Domoff, Gabrielle Garon-Carrier, Hermano Tavares","doi":"10.1556/2006.2025.00064","DOIUrl":"10.1556/2006.2025.00064","url":null,"abstract":"<p><strong>Objective: </strong>To assess associations between early childhood screen time trajectories and problematic media use scores by age 5.5.</p><p><strong>Methods: </strong>The present study is based on a prospective, community-based convenience sample of 315 parents of preschoolers, from Canada studied at the ages of 3.5 (2020), 4.5 (2021), and 5.5 (2022) during the Covid-19 pandemic. Parent-reported screen use at the ages of 3.5, 4.5, and 5.5 was used to estimate preschooler screen use trajectories. Using latent growth modeling, we identified low (mean = 0.9 h/day, 23%), average (mean = 3.0 h/day, 56%), and high (mean = 6.38 h/day, 21%) screen time trajectories. Parents reported child problematic media using the Problematic Media Use Measure - Short Form (PMUM-SF).</p><p><strong>Results: </strong>A multiple regression, adjusted for child sex, effortful control and parent education and stress revealed that compared to children in the low screen time trajectory, children in the high screen time trajectory had higher problematic media use scores at age 5.5 (β = 0.378, p < 0.001). In addition, children in the average screen time trajectory scored higher than children in the low screen time trajectory (β = 0.229, p ≤ 0.001).</p><p><strong>Conclusion: </strong>Our findings suggest that higher screen use in early childhood is associated with an increased risk for the development of dysregulated media use, which can interfere with family functioning. As such, parents should be encouraged to follow screen time recommendations of ≤1 h/day for children between the ages of 2 and 5.</p>","PeriodicalId":15049,"journal":{"name":"Journal of Behavioral Addictions","volume":" ","pages":"1411-1418"},"PeriodicalIF":6.2,"publicationDate":"2025-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12486259/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144955102","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Causal impact of gambling-related cognitive distortions on the severity of gambling disorder: A one-year multicenter longitudinal study in treatment-seeking patients in Japan.","authors":"Yoshiki Koga, Moemi Shibasaki, Chie Nitta, Hitomi Okada, Satoshi Furuno, Kotaro Nishimura, Takanobu Matsuzaki, Sachio Matsushita","doi":"10.1556/2006.2025.00071","DOIUrl":"10.1556/2006.2025.00071","url":null,"abstract":"<p><strong>Background and aims: </strong>Gambling-related cognitive distortions (GRCD) sustain gambling behaviors despite adverse consequences. While previous studies have shown an association between GRCD and gambling disorder (GD) severity, few have conducted causal analyses. We aimed to examine temporal changes in GRCD among treatment-seeking patients and to investigate whether GRCD predicts subsequent gambling severity.</p><p><strong>Methods: </strong>This one-year follow-up study was conducted in collaboration with 20 addiction-specialized medical institutions. The participants were 100 male patients diagnosed with GD (mean age: 37.2±8.5). We also examined the differences in GRCD improvement based on gambling relapse after treatment initiation. GRCD were assessed using the Gambling-Related Cognitions Scale (GRCS), and gambling severity was measured using the Problem Gambling Severity Index (PGSI). Gambling engaement was assessed using a self-report questionnaire. Temporal changes were analyzed using repeated-measures ANOVA, and the causal relationship between the GRCD and the PGSI was examined using a cross-lagged panel model (CLPM).</p><p><strong>Results: </strong>Overall, GRCD significantly decreased within 6 months of treatment initiation and then stabilized. The abstinence group had significantly lower GRCD scores than the non-abstinence group at all the timepoints. CLPM identified Perceived Inability to Stop Gambling (IS) as the only GRCD subscale that significantly predicted PGSI scores at 12 months.</p><p><strong>Discussion: </strong>This study demonstrates that GRCD predict the severity of subsequent gambling disorders. In particular, IS has been identified as a critical target for interventions.</p><p><strong>Conclusions: </strong>These findings provide valuable evidence of a causal relationship between GRCD and gambling severity and underscore the importance of targeting IS in treatment.</p>","PeriodicalId":15049,"journal":{"name":"Journal of Behavioral Addictions","volume":" ","pages":"1267-1280"},"PeriodicalIF":6.2,"publicationDate":"2025-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12486266/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144955178","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Dysfunctional reward processing amplifies stress-related smartphone overuse: Evidence from ERPs and ecological momentary assessment.","authors":"Huaiyuan Qi, Di Song, Junyi Wang, Jiangyong Li, Guoliang Qu, Xuhai Chen, Yangmei Luo","doi":"10.1556/2006.2025.00066","DOIUrl":"10.1556/2006.2025.00066","url":null,"abstract":"<p><strong>Background and aims: </strong>Problematic Smartphone Use (PSU) has become a major public health issue, with stress identified as a key factor. Pathological technology use is often linked to dysfunctional reward processing, which is characterized by hyperactivity during reward anticipation and hypoactivity during reward receipt, both closely tied to emotion regulation. This study aimed to investigate the association between PSU and event-related potentials (ERP) linked to reward anticipation and feedback processing, while elucidating the role of reward processing dysfunction in the escalation of daily life stress into PSU through ecological momentary assessment.</p><p><strong>Methods: </strong>We recorded the ERPs of 44 PSU participants and 50 HC participants during the monetary incentive delay task. Meanwhile, we assessed the momentary stress, PSU levels, and screen time of these participants three times a day for 14 days.</p><p><strong>Results: </strong>ERP results showed that the PSU group, compared to the HC group, had significantly larger P3 amplitude (but not N2 amplitude) during reward anticipation (cue-P3: η2 = 0.066, p = 0.012; cue-N2: η2 = 0.004, p = 0.567). In contrast, during feedback, their amplitudes were reduced in both RewP and fb-P3 components (RewP: η2 = 0.092, p = 0.003; fb-P3: η2 = 0.043, p = 0.048). These findings indicate that PSU is linked to heightened neural activity during reward anticipation but reduced responsiveness during feedback, indicating potential dysfunction in reward processing. Ecological momentary assessment linked momentary stress to increased PSU (β = 0.17, HPD 95% CI [0.129, 0.218]) and screen time (β = 0.18, HPD 95% CI [0.135, 0.227]). Importantly, RewP amplitude moderated these associations, with blunted RewP responses amplifying stress-related increases in both PSU (β = -0.19, HPD 95% CI [-0.352, -0.036]) and screen time (β = -0.20, HPD 95% CI [-0.394, -0.003]).</p><p><strong>Conclusion: </strong>These findings indicate that reward-related ERPs may serve as potential neural markers for identifying PSU, while dysfunctional reward processing may exacerbate stress-related PSU behaviors. This work provides novel insights for developing prevention and intervention strategies in digital addiction.</p>","PeriodicalId":15049,"journal":{"name":"Journal of Behavioral Addictions","volume":" ","pages":"1429-1443"},"PeriodicalIF":6.2,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12486276/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144955083","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Temperament, brain structure and problematic video gaming in adolescence - A six-year longitudinal study.","authors":"Ines Mürner-Lavanchy, Silvano Sele, Julian Simmons, Dan I Lubman, Sarah Whittle, Nicholas B Allen, Michael Kaess","doi":"10.1556/2006.2025.00068","DOIUrl":"10.1556/2006.2025.00068","url":null,"abstract":"<p><strong>Background: </strong>Growing concerns regarding problematic gaming highlight the need for prospective longitudinal research to explore potential targets for prevention. Markers that can be observed during early adolescence, prior to the establishment of problematic behaviors, may be particularly informative. Two potential predictors of interest that have been shown to reflect important developmental and psychopathological processes are temperament and brain structure, which respectively provide self-reported and objective markers of individual differences.</p><p><strong>Methods: </strong>Temperament (n = 245) and brain volume (n = 154) were assessed at 11-13 years, and problematic video gaming (dimensional gaming addiction score; n = 130) at 17-19 years, in adolescents selected from a community sample to maximize variation in temperament. Associations between temperament and problematic video gaming were tested. Further models explored whether brain volume, and interactions between brain volume and temperament explained additional variance in predicting problematic video gaming.</p><p><strong>Results: </strong>Negative affectivity (b = 2.94 [95% CI 0.32, 5.57]), as well as male gender (b = -6.61 [-10.64, -2.59]), were associated with later problematic video gaming. Also, lower effortful control in male participants was associated with higher odds for problematic video gaming in later adolescence (b = 4.32 [CI 0.24, 8.39]). Exploratory analyses showed modest evidence for an interaction between effortful control and amygdala volume in predicting problematic video gaming.</p><p><strong>Conclusions: </strong>This six-year prospective longitudinal study, confirms associations between negative affectivity and effortful control and later problematic video gaming. Further, higher effortful control might have a protective role in individuals with larger amygdalae, who are vulnerable to mental health disorders, such as video gaming addiction.</p>","PeriodicalId":15049,"journal":{"name":"Journal of Behavioral Addictions","volume":" ","pages":"1315-1325"},"PeriodicalIF":6.2,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12486287/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144955095","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}