Psychiatry and Clinical Neurosciences最新文献

{"title":"Brain iron load and neuroaxonal vulnerability in adult attention-deficit hyperactivity disorder.","authors":"Jatta Berberat, Sonja M Kagerer, Claudia Späni, Jun Hua, Francesco Bavato, Philipp Gruber, Peter Cm van Zijl, Nader Perroud, Xu Li, Philipp Stämpfli, Erich Seifritz, Karl-Olof Lövblad, Boris B Quednow, Paul G Unschuld","doi":"10.1111/pcn.13806","DOIUrl":"https://doi.org/10.1111/pcn.13806","url":null,"abstract":"<p><strong>Aim: </strong>Adult attention deficit hyperactivity disorder (ADHD) may be associated with an increased risk of dementia in old age. Here, we investigated the liability for neurodegenerative brain disease in adult ADHD, possibly reflected by increased brain iron content and associated neuroaxonal vulnerability.</p><p><strong>Methods: </strong>Thirty-two adults with ADHD (35 ± 10 years) and 29 age- and sex-matched controls (32 ± 12 years) underwent magnetic resonance imaging (MRI), standardized psychometric testing and assessment of lifestyle factors. Quantitative susceptibility mapping (QSM) was used to assess magnetic abnormalities indicating local alterations of iron deposition in the brain. By calculating QSM-maps, local iron deposition was tested for statistically significant differences between ADHD and healthy controls. Plasma neurofilament light chain (NfL) levels were measured as an indicator of neuroaxonal integrity by using a fourth-generation ELLA immunoassay.</p><p><strong>Results: </strong>Brain iron content differed in persons with ADHD, with strongest effects observable in the right precentral cortex (healthy controls: 0.0033 ± 0.0017ppm; ADHD: 0.0048 ± 0.0016ppm; t(59) = 3.56, P < 0.001). Moreover, right precentral cortex iron in persons with ADHD was associated with increased blood NfL levels (F(1.57) = 13.2, P = 0.001, r² = 0.19).</p><p><strong>Conclusion: </strong>Our results indicate altered regional iron content in the brains of adults with ADHD. The observed association between increased precentral magnetic susceptibility and increased NfL suggests a connection between local excess of brain iron and neuroaxonal damage in ADHD. Given the limited sample size of the current study and the naturalistic medication plan, further longitudinal studies are needed to establish whether altered brain iron distribution in adults with ADHD may be associated with an increased risk of dementia at old age.</p>","PeriodicalId":20938,"journal":{"name":"Psychiatry and Clinical Neurosciences","volume":" ","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143516539","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Epidemiology of Hikikomori: A systematic review and meta-analysis of 19 studies.","authors":"Wei Zhang, Meng-Yi Chen, Yuan Feng, Zhaohui Su, Teris Cheung, Todd Jackson, Qinge Zhang, Yu-Tao Xiang","doi":"10.1111/pcn.13768","DOIUrl":"https://doi.org/10.1111/pcn.13768","url":null,"abstract":"<p><strong>Aim: </strong>Hikikomori, a severe form of social withdrawal, has been recognized as an important global public health problem. However, estimates of the worldwide Hikikomori prevalence have been inconsistent. This study aimed to provide a comprehensive assessment of the cross-cultural prevalence of Hikikomori through a meta-analysis and systematic review.</p><p><strong>Methods: </strong>We systematically searched multiple databases (including PubMed, EMBASE, PsycINFO, and Web of Science) for relevant studies. Pooled prevalence estimates were calculated using a random-effects model. Subgroup analyses for categorical variables and meta-regression analyses for continuous variables were performed to identify potential moderators of Hikikomori prevalence estimates.</p><p><strong>Results: </strong>A total of 19 studies based on 58,229 participants were included for analysis. The overall prevalence of Hikikomori was 8.0% (95% CI, 4.9%-12.9%). The prevalence of Hikikomori did not differ significantly between regions (East Asia and Western), time periods (pre- and post-COVID-19 pandemic), sex, sample size, or presence versus absence of psychiatric disorders. In contrast, higher prevalence rates were reported in studies using the 25-item Hikikomori Questionnaire (HQ-25) (21.7%; 95% CI, 11.8%-36.4%) versus other questionnaires (5.0%; 95% CI, 3.1%-7.9%, [P < 0.01]) and nonprobability sampling (12.5%; 95% CI, 7.9%-19.2%) versus probability sampling methods (3.1%; 95% CI, 1.4%-6.9% [P < 0.01]). Lower study quality (coefficient = -0.45, P = 0.03) and older age were also linked to higher prevalence (coefficient = 0.10, P = 0.01).</p><p><strong>Conclusion: </strong>This meta-analysis suggests that Hikikomori is a common problem globally. The results highlight the importance of using standardized diagnostic tools as well as further research on moderating factors and intervention methods to alleviate disabling experiences associated with Hikikomori.</p>","PeriodicalId":20938,"journal":{"name":"Psychiatry and Clinical Neurosciences","volume":" ","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143524179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Predicting social anxiety disorder based on communication logs and social network data from a massively multiplayer online game: Using a graph neural network.","authors":"Kenji Yokotani, Masanori Takano, Nobuhito Abe, Takahiro A Kato","doi":"10.1111/pcn.13804","DOIUrl":"https://doi.org/10.1111/pcn.13804","url":null,"abstract":"<p><strong>Aim: </strong>Social anxiety disorder (SAD) is a mental disorder that requires early detection and treatment. However, some individuals with SAD avoid face-to-face evaluations, which leads to delayed detection. We aim to predict individuals with SAD based on their communication logs and social network data from a massively multiplayer online game (MMOG).</p><p><strong>Method: </strong>The study included 819 users of Pigg Party, a popular MMOG in Japan. Participants completed the Japanese version of the Liebowitz Social Anxiety Scale (LSAS-J) and a social withdrawal scale (hikikomori) questionnaire. Participants scoring ≥60 on the LSAS-J were classified as having SAD, while those scoring <60 were classified as not having SAD (non-SAD). A total of 142,147 users' communication logs and 613,618 social edges from Pigg Party were used as input to predict whether participants had SAD or non-SAD. Graph sample and aggregated embeddings (Graph SAGE) was utilized as a graph neural network model.</p><p><strong>Results: </strong>Individuals with SAD were more likely to be socially withdrawn in the physical community (hikikomori), had fewer friends, spent less time in other users' virtual houses, and showed lower entropy in their visitation times in MMOG. Based on their social network data, the Graph SAGE model predicted SAD, with an F1 score of 0.717.</p><p><strong>Conclusion: </strong>The communication logs and social network data in an MMOG include indicators of interpersonal avoidance behaviors, which is typical of individuals with SAD; this suggests their potential use as digital biomarkers for the early detection of SAD.</p>","PeriodicalId":20938,"journal":{"name":"Psychiatry and Clinical Neurosciences","volume":" ","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143503844","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Why physical restraints for fall prevention in psychiatric inpatients are medically unjustifiable.","authors":"Michitaka Funayama","doi":"10.1111/pcn.13807","DOIUrl":"https://doi.org/10.1111/pcn.13807","url":null,"abstract":"","PeriodicalId":20938,"journal":{"name":"Psychiatry and Clinical Neurosciences","volume":" ","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143483993","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Increase in luteinizing hormone is linked to reduction in depression in patients with dementia: Secondary analysis of a randomized clinical trial of benzoate.","authors":"Chieh-Hsin Lin, Shi-Heng Wang, Hsien-Yuan Lane","doi":"10.1111/pcn.13805","DOIUrl":"https://doi.org/10.1111/pcn.13805","url":null,"abstract":"","PeriodicalId":20938,"journal":{"name":"Psychiatry and Clinical Neurosciences","volume":" ","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143468963","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Long-term outcomes of schizophrenia in relation to course of social recovery and prescribed antipsychotics: A 10-year follow-up study at a single university hospital in Japan.","authors":"Yuhei Mori, Risa Shishido, Mizuki Hino, Akiko Sato, Atsuko Nagaoka, Hiroshi Hoshino, Masataka Hatano, Yuto Hosogai, Itaru Miura, Yasuto Kunii","doi":"10.1111/pcn.13803","DOIUrl":"https://doi.org/10.1111/pcn.13803","url":null,"abstract":"","PeriodicalId":20938,"journal":{"name":"Psychiatry and Clinical Neurosciences","volume":" ","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143410311","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"REIMAGINE: A central nervous system basket trial showing safety and efficacy of vafidemstat on aggression in different psychiatric disorders.","authors":"Marc Ferrer, Vanesa Richarte, Laura Gisbert, Jordi Xaus, Sonia Gutierrez, Maria Isabel Arevalo, Michael Ropacki, Roger Bullock, Carlos Buesa, Josep Antoni Ramos-Quiroga","doi":"10.1111/pcn.13800","DOIUrl":"https://doi.org/10.1111/pcn.13800","url":null,"abstract":"<p><strong>Aim: </strong>Vafidemstat is a brain-penetrant, orally bioavailable, small molecule irreversible inhibitor of the histone lysine-specific demethylase KDM1A (also known as LSD1), which corrects memory deficits and behavior alterations including aggression and social interaction deficits in preclinical models.</p><p><strong>Methods: </strong>Here, we report the results of REIMAGINE, a phase IIa, single-center, open-label, one-arm basket trial that evaluated the safety and efficacy of vafidemstat on aggression in adult patients with borderline personality disorder (BPD), attention-deficit/hyperactivity disorder (ADHD), and autistic spectrum disorder (ASD). Participants received 1.2 mg/day of vafidemstat for 8 weeks.</p><p><strong>Results: </strong>Vafidemstat was shown to be safe and well tolerated, and no drug-related clinically significant adverse events were observed. Furthermore, all neuropsychiatric scales assessed showed notable efficacy signals, whether assessing agitation/aggression (Clinical Global Impression for Severity [CGI-S] and Clinical Global Impression for Improvement [CGI-I] and Neuropsychiatric Inventory [NPI] questionnaire for Agitation-Aggression [NPI-AA]), overall patient functioning (total NPI), or disease-specific features (Attention-Deficit/Hyperactivity Disorder Rating Scale [ADHD-RS] and Borderline Personality Disorder Checklist [BPDCL]). Statistically significant improvements were observed in the aggregated data (all participants) and for each of the three disease groups independently. Changes were evident within the first 2 weeks of treatment.</p><p><strong>Conclusion: </strong>In summary, the REIMAGINE study supports that vafidemstat is safe, well tolerated, and causes a significant and consistent reduction in agitation/aggression and nonaggression features in BPD, ADHD, and ASD. These data support continuing the development of vafidemstat as a new treatment option for these psychiatric disorders.</p>","PeriodicalId":20938,"journal":{"name":"Psychiatry and Clinical Neurosciences","volume":" ","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143399824","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Focused ultrasound as an emerging therapy for neuropsychiatric disease: Historical perspectives and a review of current clinical data.","authors":"Daniel N de Souza, Andreas Seas, Kathryn Blethen, Jacob Feigal, Bhavya R Shah, Gerald A Grant, Stephen C Harward","doi":"10.1111/pcn.13799","DOIUrl":"https://doi.org/10.1111/pcn.13799","url":null,"abstract":"<p><p>Psychiatric disorders are a common source of disease morbidity with high rates of refractoriness to first-line treatments. As such, many have investigated the utility of neurosurgical interventions for treatment-resistant forms of these conditions. More recently among these, functional neurosurgical techniques using high- and low-intensity focused ultrasound (FUS) have emerged as promising options in this arena, largely due to their minimally-invasive nature and encouraging early safety and efficacy data. Existing clinical data have thus far demonstrated FUS to be a potentially useful intervention for treatment-refractory forms of obsessive-compulsive disorder, major depressive disorder, various anxiety disorders, substance-use disorder, and schizophrenia. This report presents a comprehensive review of existing clinical trial data, summarizing key findings, study specifications, and providing critical analysis. In addition to giving the most complete summary of modern clinical research on this topic to date, this report characterizes the current state of this body of literature using bibliometric analysis, succinctly highlighting the most investigated topics and the most promising areas of modern investigation. Based on our review of the literature, current work on this topic is highly heterogeneous with regard to specific treatment protocols and anatomic targets for FUS - targeting multiple nuclei at a wide variety of intensities. We recommend that future studies aim to clarify more precise therapeutic targets and specific treatment protocols which optimize the efficacy of these techniques.</p>","PeriodicalId":20938,"journal":{"name":"Psychiatry and Clinical Neurosciences","volume":" ","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143399823","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Distinct delay discounting patterns in anorexia nervosa: Comparing monetary and exercise rewards across clinical subgroups.","authors":"Paolo Meneguzzo, Luisa Ladduca, Pietro Balducci, Valentina Meregalli, Enrica Bucci, Anna Pillan, Chiara Cazzola, Alice Garolla, Elisa Bonello, Francesca Buscaglia, Patrizia Todisco","doi":"10.1111/pcn.13802","DOIUrl":"https://doi.org/10.1111/pcn.13802","url":null,"abstract":"<p><strong>Aims: </strong>People with anorexia nervosa (AN) often engage in compulsive exercise to control weight and manage emotions, altering the reward associated with physical activity. Delay-discounting evaluates preference for immediate over delayed rewards, potentially indicating struggles with prioritizing long-term gains. However, the impact of AN on these factors remains unexplored. This study aims to assess the attitudes of individuals with AN using a modified exercise delay discount task, comparing them with the general population.</p><p><strong>Methods: </strong>A sample of 76 individuals (70 women, 92.1%) with a diagnosis of AN was compared with a sample of 124 people (115 women, 92.7%) without a lifetime diagnosis of any eating disorder. Two different delay discount tasks were used to evaluate different constructs: a standardized monetary delay discount task and a modified version focused on physical activity.</p><p><strong>Results: </strong>The standardized monetary delay discount task confirmed the existence of varied monetary rewards in different subtypes of AN. The exercise-related task demonstrated a specific emphasis on exercise within AN, showing a tendency to delay physical activity by looking for a greater amount of exercise. On the contrary, the general population opted for immediate exercise proposals.</p><p><strong>Conclusions: </strong>Our findings suggest that the tendency to delay physical activity could be related to the compulsive nature of exercise in patients with AN, with a possible change in cognitive evaluation based on the magnitude of exercise. Finally, in addition to psychological problems related to eating disorders, additional cognitive factors likely contribute to exercise compulsiveness, necessitating further research exploration.</p>","PeriodicalId":20938,"journal":{"name":"Psychiatry and Clinical Neurosciences","volume":" ","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143383208","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Reduction of rejection-related emotions by transcranial direct current stimulation over right ventrolateral prefrontal cortex in borderline personality disorder: A double-blind randomized pilot study.","authors":"Alessandro Lisco, Alessia Gallucci, Chiara Fabietti, Annalisa Fornaroli, Carlo Marchesi, Emanuele Preti, Paolo Riva, Chiara De Panfilis, Leonor Josefina Romero Lauro","doi":"10.1111/pcn.13792","DOIUrl":"https://doi.org/10.1111/pcn.13792","url":null,"abstract":"<p><strong>Aims: </strong>Borderline personality disorder (BPD) patients show negative emotional reactions to both excluding and including social scenarios, with levels normalizing only during extreme inclusion. Prior research among healthy individuals highlights the right ventrolateral prefrontal cortex (rVLPFC) role in regulating emotional responses to social exclusion, since transcranial direct current stimulation (tDCS) of rVLPFC decreases rejection-related emotions following social exclusion. This pilot study investigated whether, in BPD patients, tDCS over the rVLPFC reduces rejection-related emotions not only after social exclusion but also after fair social inclusion.</p><p><strong>Methods: </strong>Forty BPD patients randomly received either real or sham tDCS on rVLPFC before participating in the Cyberball paradigm, which involved phases of inclusion, exclusion, and over-inclusion. Participants self-reported their level of rejection-related emotions following each phase.</p><p><strong>Results: </strong>Transcranial direct current stimulation reduced rejection-related emotions during both social exclusion and fair inclusion, but not during over-inclusion. Specifically, those in the Real tDCS group exhibited comparable emotional responses to fair and over-including scenarios, unlike those in the Sham group who experienced heightened rejection-related emotions during fair inclusion compared to over-inclusion.</p><p><strong>Conclusions: </strong>Transcranial direct current stimulation over the rVLPFC reduces BPD patients' tendency to feel rejected both in fairly including and excluding scenarios. These findings confirm the rVLPFC involvement in emotional regulation and highlight a therapeutic potential for tDCS in moderating BPD's typical heightened rejection-related emotional responses to fairly including scenarios. This study supports the application of tDCS in BPD treatment, providing new insights into neuromodulatory interventions that can aid BPD patients to better regulate their emotions during varying social scenarios.</p>","PeriodicalId":20938,"journal":{"name":"Psychiatry and Clinical Neurosciences","volume":" ","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143374546","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}