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Diagnosis of Schizophrenia and Its Subtypes Using MRI and Machine Learning 利用MRI和机器学习诊断精神分裂症及其亚型。
IF 2.6 3区 心理学 Q2 BEHAVIORAL SCIENCES Pub Date : 2024-12-31 DOI: 10.1002/brb3.70219
Hosna Tavakoli, Reza Rostami, Reza Shalbaf, Mohammad-Reza Nazem-Zadeh
<div> <section> <h3> Purpose</h3> <p>The neurobiological heterogeneity present in schizophrenia remains poorly understood. This likely contributes to the limited success of existing treatments and the observed variability in treatment responses. Our objective was to employ magnetic resonance imaging (MRI) and machine learning (ML) algorithms to improve the classification of schizophrenia and its subtypes.</p> </section> <section> <h3> Method</h3> <p>We utilized a public dataset provided by the UCLA (University of California, Los Angeles) Consortium for Neuropsychiatric Research, containing structural MRI and resting-state fMRI (rsfMRI) data. We integrated all individuals within the dataset diagnosed with schizophrenia (<i>N</i> = 50), along with age- and gender-matched healthy individuals (<i>N</i> = 50). We extracted volumetrics of 66 subcortical and thickness of 72 cortical regions. Additionally, we obtained four graph-based measures for 116 intracranial regions from rsfMRI data, including degree, betweenness centrality, participation coefficient, and local efficiency. Employing conventional ML methods, we sought to distinguish the patients with schizophrenia from healthy individuals. Furthermore, we applied the methods for discriminating subtypes of schizophrenia. To streamline the feature set, various feature selection techniques were applied. Moreover, a validation phase involved employing the model on a dataset domestically acquired using the same imaging assessments (<i>N</i> = 13). Finally, we explored the correlation between neuroimaging features and behavioral assessments.</p> </section> <section> <h3> Finding</h3> <p>The classification accuracy reached as high as 79% in distinguishing schizophrenia patients from healthy in the UCLA dataset. This result was achieved by the <i>k</i>-nearest neighbor algorithm, utilizing 12 brain neuroimaging features, selected by the feature selection method of minimum redundancy maximum relevance (MRMR). The model demonstrated effectiveness (72% accuracy) in estimating the patient's label for a new dataset acquired domestically. Using a linear support vector machine (SVM) on 62 features obtained from MRMR, patients with schizophrenic subtypes were classified with an accuracy of 64%. The highest Spearman correlation coefficient between the neuroimaging features and behavioral assessments was observed between the degree of the postcentral gyrus and mean reaction time in the verbal capacity task (<i>r</i> = 0.49, <i>p</i> = 0.001).</p> </section> <section> <h3> Conclusion</h3> <p>The findings of this study u
目的:精神分裂症中存在的神经生物学异质性仍然知之甚少。这可能导致现有治疗方法的有限成功和观察到的治疗反应的可变性。我们的目标是使用磁共振成像(MRI)和机器学习(ML)算法来改进精神分裂症及其亚型的分类。方法:我们利用UCLA(加州大学洛杉矶分校)神经精神病学研究联盟提供的公共数据集,其中包含结构MRI和静息状态fMRI (rsfMRI)数据。我们整合了数据集中诊断为精神分裂症的所有个体(N = 50),以及年龄和性别匹配的健康个体(N = 50)。我们提取了66个皮质下区域的体积和72个皮质区域的厚度。此外,我们从rsfMRI数据中获得了116个颅内区域的4个基于图的测量指标,包括程度、中间中心性、参与系数和局部效率。采用传统的ML方法,我们试图将精神分裂症患者与健康个体区分开来。此外,我们还应用了区分精神分裂症亚型的方法。为了简化特征集,应用了各种特征选择技术。此外,验证阶段涉及使用相同的成像评估在国内获得的数据集上使用模型(N = 13)。最后,我们探讨了神经影像学特征与行为评估之间的相关性。发现:在加州大学洛杉矶分校的数据集中,区分精神分裂症患者和健康患者的分类准确率高达79%。该结果是通过k近邻算法实现的,该算法利用最小冗余最大相关性(MRMR)特征选择方法选择12个脑神经成像特征。该模型在估计国内获得的新数据集的患者标签方面显示出有效性(准确率为72%)。使用线性支持向量机(SVM)对从MRMR中获得的62个特征进行分类,准确率为64%。在言语能力任务中,中枢后回的程度与平均反应时间之间的Spearman相关系数最高(r = 0.49, p = 0.001)。结论:本研究的发现强调了MRI和ML算法在增强精神分裂症诊断过程中的效用。此外,这些方法有望检测与大脑相关的异常和与这种疾病相关的认知障碍。
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引用次数: 0
Endovascular Treatment of Mirror Aneurysms in Subarachnoid Hemorrhage Patients: Single Stage or Multiple Stage? 蛛网膜下腔出血镜像动脉瘤的血管内治疗:单期还是多期?
IF 2.6 3区 心理学 Q2 BEHAVIORAL SCIENCES Pub Date : 2024-12-31 DOI: 10.1002/brb3.70234
Yunfei Song, Guoqiang Song, Guijing Liu, Limei Mao, Xiuhu An, Chao Peng, Jian Li, Yan Chen, Hongwen Li, Changkai Hou, Bangyue Wang, Yan Zhao, Xiangdong Wang, Gangfeng Yin, Xinyu Yang

Objective

The study evaluated the effectiveness and safety of single-stage versus multistage endovascular treatment in subarachnoid hemorrhage patients with Mirror Aneurysms.

Materials and Methods

Our research team performed a prospective study, focusing on the radiographic and clinical data of patients diagnosed with subarachnoid hemorrhage, specifically those who presented with Mirror Aneurysms upon admission to our institutions. According to the different endovascular treatment stages, these patients were grouped into the multistage cohort and the single-stage cohort.

Result

A total of 216 aneurysms were identified among the 108 patients, with every patient having one ruptured aneurysm. The duration of follow-up was 2 years in both groups. In the single-stage cohort, all 114 aneurysms in 57 patients were managed during a single session. During the 2-year follow-up, it was observed that 49 patients achieved a modified Rankin Scale score ≤2. Five complications were encountered, including cerebral vasospasm in three patients, cerebral hemorrhage in one patient, and thromboembolism in one patient. In the multistage cohort, only the ruptured aneurysm (amounting to 51 in total) received treatment at the initial occurrence, while the remaining 51 aneurysms were addressed subsequently. Throughout the 2-year follow-up period, 46 subjects exhibited a modified Rankin scale score ≤2. Overall, four complications were documented, including cerebral vasospasm in two patients, a subarachnoid hemorrhage in one patient, and thromboembolism in one patient.

Conclusion

The safety and effectiveness of both endovascular treatment groups have been verified for patients with Mirror Aneurysms suffering from subarachnoid hemorrhage. If feasible, single-stage embolization should be considered a viable treatment option for these patients.

目的:评价单期与多期血管内治疗蛛网膜下腔出血镜像动脉瘤患者的有效性和安全性。材料和方法:我们的研究小组进行了一项前瞻性研究,重点研究了诊断为蛛网膜下腔出血的患者的影像学和临床资料,特别是那些在入院时出现镜像动脉瘤的患者。根据不同的血管内治疗阶段,将患者分为多期队列和单期队列。结果:108例患者共发现216个动脉瘤,每例患者有1个动脉瘤破裂。两组随访时间均为2年。在单期队列中,57例患者的114个动脉瘤均在一次治疗中得到处理。在2年的随访中,49例患者达到改良Rankin量表评分≤2分。5例并发症,包括脑血管痉挛3例,脑出血1例,血栓栓塞1例。在多期队列中,只有破裂的动脉瘤(总计51个)在最初发生时接受治疗,其余51个动脉瘤随后得到治疗。在2年的随访中,有46例受试者的改良Rankin量表得分≤2分。总的来说,记录了4个并发症,包括2例患者脑血管痉挛,1例患者蛛网膜下腔出血,1例患者血栓栓塞。结论:两种腔内治疗组对镜动脉瘤伴蛛网膜下腔出血患者的安全性和有效性均已得到验证。如果可行,单期栓塞应该被认为是这些患者可行的治疗选择。
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引用次数: 0
Suicide in Bangladesh: An Ecological Systems Analysis 孟加拉国的自杀:生态系统分析。
IF 2.6 3区 心理学 Q2 BEHAVIORAL SCIENCES Pub Date : 2024-12-31 DOI: 10.1002/brb3.70233
S. M. Yasir Arafat, Tamkeen Saleem

Background

Suicide happens due to a complex interaction among multiple factors. Hence, prevention strategies should consider a wider range of personal and ecological aspects. It is an underprioritized public health problem in Bangladesh where risk factors for suicide have been poorly studied, and there is no national suicide prevention strategy. Therefore, exploring socioecological aspects of suicidal behavior would foster suicide prevention in the country.

Objectives

We aim to discuss the ecological model for suicide and suicide prevention in Bangladesh.

Methods

We performed a narrative review and organized the risk factors and prevention strategies according to the socioecological model in the context of Bangladesh. We used ecological systems to analyze risk factors for suicide and suicide prevention strategies in the country.

Results

Based on the available evidence, we categorized the risk factors for suicide into ontogenic system, microsystem, mesosystem, exosystem, macrosystem, and chronosystem. In addition, we contextualized the existing suicide prevention initiatives and potential suicide prevention strategies in ontogenic system, microsystem, mesosystem, exosystem, macrosystem, and chronosystem.

Conclusions

This article explored suicide and suicide prevention in Bangladesh through the lens of ecological systems theory that may foster the formulation of a national suicide prevention strategy in the country.

背景:自杀是多种因素复杂相互作用的结果。因此,预防战略应考虑到更广泛的个人和生态方面。在孟加拉国,这是一个没有得到优先重视的公共卫生问题,对自杀的风险因素研究甚少,而且没有全国性的自杀预防战略。因此,探索自杀行为的社会生态学方面将促进该国的自杀预防。目的:我们旨在讨论孟加拉国自杀和自杀预防的生态模式。方法:以孟加拉国为例,根据社会生态模型进行叙事回顾,并组织风险因素和预防策略。我们使用生态系统来分析该国自杀的风险因素和自杀预防策略。结果:基于现有证据,我们将自杀的危险因素分为个体系统、微系统、中系统、外系统、宏观系统和时间系统。此外,我们从个体系统、微系统、中系统、外系统、宏观系统和时间系统等方面对现有的自杀预防措施和潜在的自杀预防策略进行了背景分析。结论:本文通过生态系统理论的视角探讨了孟加拉国的自杀和自杀预防,这可能会促进该国制定国家自杀预防战略。
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引用次数: 0
Genetic Insights Into the Role of Cathepsins in Alzheimer's Disease, Parkinson's Disease, and Amyotrophic Lateral Sclerosis: Evidence From Mendelian Randomization Study 组织蛋白酶在阿尔茨海默病、帕金森病和肌萎缩侧索硬化症中的作用:来自孟德尔随机化研究的证据。
IF 2.6 3区 心理学 Q2 BEHAVIORAL SCIENCES Pub Date : 2024-12-31 DOI: 10.1002/brb3.70207
Yanhong Jiang, Wenhui Fan, Yaxin Li, Hua Xue

Background

Previous studies have confirmed the significant role of cathepsins in the development of neurodegenerative diseases. We aimed to determine whether genetically predicted 10 cathepsins may have a causal effect on Alzheimer's disease (AD), Parkinson's disease (PD), and amyotrophic lateral sclerosis (ALS).

Methods

We conducted a two-sample bidirectional Mendelian randomization (MR) study using publicly available data from genome-wide association study (GWAS) to assess the causal associations between 10 cathepsins and three neurodegenerative diseases, including AD, PD, and ALS. We employed the following methods, including inverse variance weighting (IVW), MR-Egger, and weighted median (WM). The results were further validated using sensitivity analysis.

Results

The forward MR analysis results indicate that elevated cathepsin H levels increase the risk of AD (p = 0.005, odds ratio [OR] = 1.040, 95% confidence interval [CI] = 1.011–1.069), elevated cathepsin B levels decrease the risk of PD (p < 0.001, OR = 0.890, 95% CI = 0.831–0.954), and no significant association was found between cathepsin levels and ALS. Reverse MR analysis suggests that there is no causal association between 10 cathepsins and three neurodegenerative diseases.

Conclusion

Our study provides new genetic insights into the role of cathepsin H in AD and cathepsin B in PD. However, our findings need to be further validated in a wider population, and future research should explore the potential mechanisms of cathepsins in these diseases in order to provide a basis for the development of new therapeutic strategies.

背景:以往的研究已经证实组织蛋白酶在神经退行性疾病的发生发展中的重要作用。我们的目的是确定基因预测的10组织蛋白酶是否对阿尔茨海默病(AD)、帕金森病(PD)和肌萎缩侧索硬化症(ALS)有因果影响。方法:我们使用全基因组关联研究(GWAS)的公开数据进行了一项双样本双向孟德尔随机化(MR)研究,以评估10种组织蛋白酶与三种神经退行性疾病(包括AD、PD和ALS)之间的因果关系。我们采用了以下方法,包括方差逆加权(IVW)、MR-Egger和加权中位数(WM)。灵敏度分析进一步验证了结果。结果:前向磁共振分析结果显示,组织蛋白酶H水平升高可增加AD的发病风险(p = 0.005,比值比[OR] = 1.040, 95%可信区间[CI] = 1.011-1.069),组织蛋白酶B水平升高可降低PD的发病风险(p < 0.001, OR = 0.890, 95% CI = 0.831-0.954),组织蛋白酶水平与ALS无显著相关性。反向磁共振分析表明,10种组织蛋白酶与3种神经退行性疾病之间没有因果关系。结论:本研究为组织蛋白酶H在AD和组织蛋白酶B在PD中的作用提供了新的遗传学见解。然而,我们的发现需要在更广泛的人群中得到进一步的验证,未来的研究应该探索组织蛋白酶在这些疾病中的潜在机制,以便为开发新的治疗策略提供基础。
{"title":"Genetic Insights Into the Role of Cathepsins in Alzheimer's Disease, Parkinson's Disease, and Amyotrophic Lateral Sclerosis: Evidence From Mendelian Randomization Study","authors":"Yanhong Jiang,&nbsp;Wenhui Fan,&nbsp;Yaxin Li,&nbsp;Hua Xue","doi":"10.1002/brb3.70207","DOIUrl":"10.1002/brb3.70207","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Previous studies have confirmed the significant role of cathepsins in the development of neurodegenerative diseases. We aimed to determine whether genetically predicted 10 cathepsins may have a causal effect on Alzheimer's disease (AD), Parkinson's disease (PD), and amyotrophic lateral sclerosis (ALS).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We conducted a two-sample bidirectional Mendelian randomization (MR) study using publicly available data from genome-wide association study (GWAS) to assess the causal associations between 10 cathepsins and three neurodegenerative diseases, including AD, PD, and ALS. We employed the following methods, including inverse variance weighting (IVW), MR-Egger, and weighted median (WM). The results were further validated using sensitivity analysis.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>The forward MR analysis results indicate that elevated cathepsin H levels increase the risk of AD (<i>p</i> = 0.005, odds ratio [OR] = 1.040, 95% confidence interval [CI] = 1.011–1.069), elevated cathepsin B levels decrease the risk of PD (<i>p</i> &lt; 0.001, OR = 0.890, 95% CI = 0.831–0.954), and no significant association was found between cathepsin levels and ALS. Reverse MR analysis suggests that there is no causal association between 10 cathepsins and three neurodegenerative diseases.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>Our study provides new genetic insights into the role of cathepsin H in AD and cathepsin B in PD. However, our findings need to be further validated in a wider population, and future research should explore the potential mechanisms of cathepsins in these diseases in order to provide a basis for the development of new therapeutic strategies.</p>\u0000 </section>\u0000 </div>","PeriodicalId":9081,"journal":{"name":"Brain and Behavior","volume":"15 1","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11688054/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142909194","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Implementation of the Biopsychosocial Model: Individuals With Alcohol Use Disorder and Post-Traumatic Stress Disorder 生物心理社会模型的实施:酒精使用障碍和创伤后应激障碍的个体。
IF 2.6 3区 心理学 Q2 BEHAVIORAL SCIENCES Pub Date : 2024-12-31 DOI: 10.1002/brb3.70230
Fernando Hinostroza, Michele M. Mahr

Introduction

This extensive literature review investigates the relationship between post-traumatic stress disorder (PTSD) and alcohol use disorder (AUD), focusing on the neurobiological changes associated with their co-occurrence. Given that these disorders frequently coexist, we analyze mechanisms through which alcohol serves as a coping strategy for PTSD symptoms, particularly highlighting the drinking-to-cope self-medication model, which suggests that alcohol use exacerbates PTSD symptoms and complicates recovery.

Methods

A systematic literature search was conducted across multiple databases, including PubMed and Google Scholar, to identify studies examining the intersection of the biopsychosocial model with PTSD, AUD, and associated neural alterations.

Results

Findings demonstrate that chronic PTSD is associated with progressive dysfunction in the amygdala, hippocampus, prefrontal cortex, hypothalamic–pituitary–adrenal axis, and white matter pathways. Also, our findings underscore alterations within the reward system, prefrontal cortex, hippocampus, amygdala, basal ganglia, and hypothalamic–pituitary–adrenal axis that contribute to the pathophysiology of AUD. Our results support the notion that a biopsychosocial framework is essential for contemporary addiction treatment, particularly in the context of alcohol addiction and PTSD.

Conclusion

PTSD frequently leads individuals to use alcohol as a maladaptive coping strategy, ultimately resulting in neuroadaptive alterations across critical brain regions. These neurobiological changes contribute to the development and maintenance of AUD. The findings reiterate the necessity of employing a biopsychosocial model in treating individuals grappling with both PTSD and AUD. This model allows for a comprehensive understanding of the unique challenges faced by this population, integrating biological, psychological, and social factors that influence recovery.

引言:本文对创伤后应激障碍(PTSD)和酒精使用障碍(AUD)之间的关系进行了广泛的文献综述,重点研究了与两者共存相关的神经生物学变化。鉴于这些疾病经常共存,我们分析了酒精作为应对创伤后应激障碍症状的策略的机制,特别强调了饮酒应对自我药物模型,该模型表明酒精使用加剧了创伤后应激障碍症状并使恢复复杂化。方法:对包括PubMed和谷歌Scholar在内的多个数据库进行了系统的文献检索,以确定研究生物心理社会模型与PTSD、AUD和相关神经改变的交集。结果:慢性创伤后应激障碍与杏仁核、海马、前额皮质、下丘脑-垂体-肾上腺轴和白质通路的进行性功能障碍有关。此外,我们的研究结果强调了奖励系统、前额皮质、海马、杏仁核、基底神经节和下丘脑-垂体-肾上腺轴的改变,这些改变有助于AUD的病理生理。我们的研究结果支持这样一种观点,即生物心理社会框架对当代成瘾治疗至关重要,特别是在酒精成瘾和创伤后应激障碍的背景下。结论:PTSD经常导致个体使用酒精作为一种适应不良的应对策略,最终导致关键大脑区域的神经适应性改变。这些神经生物学变化有助于AUD的发展和维持。研究结果重申了采用生物心理社会模型治疗PTSD和AUD患者的必要性。该模型可以综合考虑影响恢复的生物、心理和社会因素,全面了解这一人群面临的独特挑战。
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引用次数: 0
A Neural Circuit From Paraventricular Nucleus of the Thalamus to the Nucleus Accumbens Mediates Inflammatory Pain in Mice 从丘脑室旁核到伏隔核的神经回路介导小鼠炎性疼痛。
IF 2.6 3区 心理学 Q2 BEHAVIORAL SCIENCES Pub Date : 2024-12-31 DOI: 10.1002/brb3.70218
Xi Liu, Xi Zhang, Dongxu Wang, Ya Cao, Ling Zhang, Zhonghua Li, Qin Zhang, Yu Shen, Xian Lu, Keyu Fan, Mingxia Liu, Jingqiu Wei, Siping Hu, He Liu
<div> <section> <h3> Background</h3> <p>Pain is a prevalent comorbidity in numerous clinical conditions and causes suffering; however, the mechanism of pain is intricate, and the neural circuitry underlying pain in the brain remains incompletely elucidated. More research into the perception and modulation of pain within the central nervous system is essential. The nucleus accumbens (NAc) plays a pivotal role in the regulation of animal behavior, and extensive research has unequivocally demonstrated its significant involvement in the occurrence and development of pain. NAc receives projections from various other neural nuclei within the brain, including the paraventricular nucleus of the thalamus (PVT). In this experiment, we demonstrate that the specific glutamatergic neural circuit projection from PVT to NAc (PVT<sup>Glut</sup>→NAc) is implicated in the modulation of inflammatory pain in mice.</p> </section> <section> <h3> Methods</h3> <p>We compared the difference in pain thresholds between complete Freund's adjuvant (CFA)-induced inflammatory pain models and controls. Then in a well-established mouse model of CFA-induced inflammatory pain, immunofluorescence staining was utilized to evaluate changes in c-Fos protein expression within PVT neurons. To investigate the role of PVT<sup>Glut</sup>→NAc in the modulation of pain, we used optogenetics to modulate this neural circuit, and nociceptive behavioral tests were employed to investigate the functional role of the PVT<sup>Glut</sup>→NAc circuit in the modulation of inflammatory pain.</p> </section> <section> <h3> Results</h3> <p>In the mice with the inflammatory pain group, both the paw withdrawal latencies (PWLs) and paw withdrawal thresholds (PWTs) of the right hind paw were decreased compared to the control group. In addition, compared to the control group, CFA-induced inflammatory pain led to increased c-Fos protein expression in PVT, which means that some of the neurons in this area of the brain region have been activated. Following the injection of retrograde transport fluorescent-labeled virus into NAc, glutamatergic neurons projecting from the PVT to NAc were observed, confirming the projection relationship between PVT and NAc. In the experiments in optogenetic regulation, normal mice exhibited pain behavior when the PVT<sup>Glut</sup>→NAc circuit was stimulated by a 473 nm blue laser, resulting in decreased PWLs and PWTs compared to the control group, which means activating this neural circuit can lead to painful behaviors. In the CFA-induced pain group, inhibition of the PVT<sup>Glut</sup>→NAc circuit by a 589 nm yellow laser alleviated pain behavior, leading to increased PWLs and PWTs c
背景:疼痛是一种普遍的合并症在许多临床条件和导致痛苦;然而,疼痛的机制是复杂的,大脑中疼痛的神经回路仍未完全阐明。对中枢神经系统对疼痛的感知和调节进行更多的研究是必要的。伏隔核(NAc)在动物行为的调节中起着关键作用,广泛的研究已经明确表明它在疼痛的发生和发展中起着重要的作用。NAc接收来自大脑内各种其他神经核的投射,包括丘脑室旁核(PVT)。在本实验中,我们证明了特定的谷氨酸能神经回路从PVT到NAc的投射(PVTGlut→NAc)参与了小鼠炎症性疼痛的调节。方法:我们比较完全弗氏佐剂(CFA)诱导的炎症性疼痛模型和对照组疼痛阈值的差异。然后在建立的cfa诱导的炎症性疼痛小鼠模型中,利用免疫荧光染色评估PVT神经元内c-Fos蛋白表达的变化。为了研究PVTGlut→NAc在疼痛调节中的作用,我们采用光遗传学方法对PVTGlut→NAc回路进行了调节,并采用伤害性行为实验来研究PVTGlut→NAc回路在炎症性疼痛调节中的功能作用。结果:炎症性疼痛组小鼠右后足的脱足潜伏期(PWLs)和脱足阈值(PWTs)均较对照组降低。此外,与对照组相比,cfa诱导的炎症性疼痛导致PVT中c-Fos蛋白表达增加,这意味着该脑区部分神经元被激活。将逆行转运荧光标记病毒注入NAc后,观察到谷氨酸能神经元从PVT向NAc投射,证实了PVT与NAc之间的投射关系。在光遗传调控实验中,当473 nm蓝色激光刺激PVTGlut→NAc回路时,正常小鼠表现出疼痛行为,与对照组相比,pwl和PWTs下降,这意味着激活该神经回路可导致疼痛行为。在cfa诱导的疼痛组中,589 nm黄色激光抑制PVTGlut→NAc回路减轻了疼痛行为,导致pwl和pwt较对照组增加,表明抑制该神经回路减轻了疼痛行为。结论:这些发现揭示了PVTGlut→NAc回路在调节CFA引起的小鼠炎症性疼痛中的关键作用。
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引用次数: 0
Association Between Depressive Symptoms and Comorbidities Among Elderly Diabetic Individuals in China 中国老年糖尿病患者抑郁症状与合并症的关系
IF 2.6 3区 心理学 Q2 BEHAVIORAL SCIENCES Pub Date : 2024-12-31 DOI: 10.1002/brb3.70232
Luyao Qiao, Xin Pan, Tianpei Li, Shouqin Yi, Zhenyu Tang

Background

Diabetic individuals are at an increased risk of mental illness and comorbidities. However, the precise association between depressive symptoms and comorbidity remains uncertain. Our study aimed to investigate this relationship among elderly Chinese diabetic patients.

Methods

Data from the China Health and Retirement Longitudinal Study (CHARLS) in 2020 were utilized for the cross-sectional analysis. Depressive status was defined as the dependent variable, while the presence, number, and type of comorbidities served as independent variables. Logistic regression analyses were performed, adjusting for potential demographic factors, and health status and functioning factors.

Results

Our findings indicate that diabetic patients with complications are more likely to experience depression. With the exception for dyslipidemia (OR = 1.195, 95% CI: 0.969, 1.475), individuals with hypertension, heart disease, stroke, kidney disease, memory-related disease, or arthritis/rheumatism were prone to develop depressive status in the fully adjusted model. After adjusting for covariates, diabetic patients with memory-related diseases exhibited the most pronounced association with depressive symptoms (OR = 2.673, 95% CI: 1.882, 3.797). Furthermore, an increasing number of depression-related comorbidities strengthened the association (p < 0.05). Sensitivity analysis revealed that there were no significant differences stratified by gender or marital status (p < 0.05).

Conclusions

In the elderly diabetic population in China, the presence, number, and type of comorbidities were independently associated with depressive symptoms. Diabetic patients with memory-related diseases displayed the highest likelihood of experiencing depressive status. These findings underscore the importance of implementing effective strategies for multimorbidity management in diabetic patients.

背景:糖尿病患者患精神疾病和合并症的风险增加。然而,抑郁症状与合并症之间的确切联系仍不确定。我们的研究旨在探讨中国老年糖尿病患者的这种关系。方法:采用2020年中国健康与退休纵向研究(CHARLS)的数据进行横断面分析。抑郁状态被定义为因变量,而并存病的存在、数量和类型被定义为自变量。进行逻辑回归分析,调整潜在的人口因素、健康状况和功能因素。结果:我们的研究结果表明,合并并发症的糖尿病患者更容易出现抑郁。除血脂异常(OR = 1.195, 95% CI: 0.969, 1.475)外,在完全调整后的模型中,高血压、心脏病、中风、肾病、记忆相关疾病或关节炎/风湿病患者更容易发展为抑郁状态。校正协变量后,伴有记忆相关疾病的糖尿病患者与抑郁症状的关联最为显著(OR = 2.673, 95% CI: 1.882, 3.797)。此外,抑郁相关合并症数量的增加加强了这种关联(p < 0.05)。敏感性分析显示,性别和婚姻状况分层差异无统计学意义(p < 0.05)。结论:在中国老年糖尿病人群中,合并症的存在、数量和类型与抑郁症状独立相关。患有记忆相关疾病的糖尿病患者表现出最高的抑郁状态。这些发现强调了在糖尿病患者中实施有效的多病管理策略的重要性。
{"title":"Association Between Depressive Symptoms and Comorbidities Among Elderly Diabetic Individuals in China","authors":"Luyao Qiao,&nbsp;Xin Pan,&nbsp;Tianpei Li,&nbsp;Shouqin Yi,&nbsp;Zhenyu Tang","doi":"10.1002/brb3.70232","DOIUrl":"10.1002/brb3.70232","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Diabetic individuals are at an increased risk of mental illness and comorbidities. However, the precise association between depressive symptoms and comorbidity remains uncertain. Our study aimed to investigate this relationship among elderly Chinese diabetic patients.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Data from the China Health and Retirement Longitudinal Study (CHARLS) in 2020 were utilized for the cross-sectional analysis. Depressive status was defined as the dependent variable, while the presence, number, and type of comorbidities served as independent variables. Logistic regression analyses were performed, adjusting for potential demographic factors, and health status and functioning factors.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Our findings indicate that diabetic patients with complications are more likely to experience depression. With the exception for dyslipidemia (OR = 1.195, 95% CI: 0.969, 1.475), individuals with hypertension, heart disease, stroke, kidney disease, memory-related disease, or arthritis/rheumatism were prone to develop depressive status in the fully adjusted model. After adjusting for covariates, diabetic patients with memory-related diseases exhibited the most pronounced association with depressive symptoms (OR = 2.673, 95% CI: 1.882, 3.797). Furthermore, an increasing number of depression-related comorbidities strengthened the association (<i>p</i> &lt; 0.05). Sensitivity analysis revealed that there were no significant differences stratified by gender or marital status (<i>p</i> &lt; 0.05).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>In the elderly diabetic population in China, the presence, number, and type of comorbidities were independently associated with depressive symptoms. Diabetic patients with memory-related diseases displayed the highest likelihood of experiencing depressive status. These findings underscore the importance of implementing effective strategies for multimorbidity management in diabetic patients.</p>\u0000 </section>\u0000 </div>","PeriodicalId":9081,"journal":{"name":"Brain and Behavior","volume":"15 1","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11688112/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142909136","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Deep Learning–Based Prediction of Freezing of Gait in Parkinson's Disease With the Ensemble Channel Selection Approach 基于集成通道选择方法的深度学习预测帕金森病步态冻结
IF 2.6 3区 心理学 Q2 BEHAVIORAL SCIENCES Pub Date : 2024-12-31 DOI: 10.1002/brb3.70206
Sara Abbasi, Khosro Rezaee

Purpose

A debilitating and poorly understood symptom of Parkinson's disease (PD) is freezing of gait (FoG), which increases the risk of falling. Clinical evaluations of FoG, relying on patients’ subjective reports and manual examinations by specialists, are unreliable, and most detection methods are influenced by subject-specific factors.

Method

To address this, we developed a novel algorithm for detecting FoG events based on movement signals. To enhance efficiency, we propose a novel architecture integrating a bottleneck attention module into a standard bidirectional long short-term memory network (BiLSTM). This architecture, adaptable to a convolution bottleneck attention–BiLSTM (CBA-BiLSTM), classifies signals using data from ankle, leg, and trunk sensors.

Finding

Given three movement directions from three locations, we reduce computational complexity in two phases: selecting optimal channels through ensemble learning followed by feature reduction using attention mapping. In FoG event detection tests, performance improved significantly compared to control groups and existing methods, achieving 99.88% accuracy with only two channels.

Conclusion

The reduced computational complexity enables real-time monitoring. Our approach demonstrates substantial improvements in classification results compared to traditional deep learning methods.

目的:帕金森病(PD)的一种衰弱且鲜为人知的症状是步态冻结(FoG),它增加了跌倒的风险。FoG的临床评估依赖于患者的主观报告和专家的手工检查,是不可靠的,大多数检测方法受到受试者特定因素的影响。方法:为了解决这个问题,我们开发了一种基于运动信号检测FoG事件的新算法。为了提高效率,我们提出了一种将瓶颈注意模块集成到标准双向长短期记忆网络(BiLSTM)中的新架构。该架构适用于卷积瓶颈关注- bilstm (CBA-BiLSTM),使用来自脚踝,腿部和躯干传感器的数据对信号进行分类。发现:给定来自三个位置的三个运动方向,我们通过两个阶段降低计算复杂度:通过集成学习选择最佳通道,然后使用注意映射进行特征约简。在FoG事件检测测试中,与对照组和现有方法相比,性能有显著提高,仅用两个通道即可达到99.88%的准确率。结论:降低了计算复杂度,实现了实时监测。与传统的深度学习方法相比,我们的方法在分类结果上有了实质性的改进。
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引用次数: 0
Executive Function Strengths in Athletes: a Systematic Review and Meta-Analysis 运动员执行功能优势:系统回顾与元分析。
IF 2.6 3区 心理学 Q2 BEHAVIORAL SCIENCES Pub Date : 2024-12-31 DOI: 10.1002/brb3.70212
Shuangquan Ren, Peng Shi, Xioasu Feng, Kai Zhang, Wenchao Wang

Objective

Whether athletes possess superior executive functions still needs further examination. Therefore, the aim of this study is to explore the executive function advantages of athletes and the differences in these advantages between open- and closed-skill sports through systematic review and meta-analysis.

Methods

Computer searches of CNKI, Web of Science, PubMed, ScienceDirect, and SPORTDiscus databases were conducted. After document selection, data extraction, and quality assessment by two researchers, data processing, statistical analysis, and visual presentation were performed using SPSS 25.0, Stata 16.0, and GraphPad Prism 8 software.

Results

A total of 41 articles were included, including 3845 athletes with a mean age of 9.6–42.8 years. Athletes showed more positive inhibitory control (= 5.18, standardized mean difference (SMD) = −0.631, 95% confidence intervals (CI) = −0.869 to −0.392, = 0.000) and working memory (= 3.42, SMD = −0.382, 95%CI = −0.601 to −0.163, = 0.001) compared to the general group with no sports experience. Elite and sub-elite, and sub-elite and amateur athletes all showed more positive performance on the cognitive flexibility task compared to the latter. In addition, open-skilled athletes performed more positively on working memory and cognitive flexibility tasks compared to closed-skilled athletes. Egger linear regression analysis revealed a possible publication bias for inhibitory control, whereas there was no publication bias for working memory and cognitive flexibility. Univariate meta-regression analysis revealed that date of publication (β = 0.145) and sample size (β = −0.002) were sources of heterogeneity between studies for the inclusion of cognitive flexibility (< 0.05). The sensitivity analysis of the one-by-one elimination method and the cut-and-patch method found the results to be relatively robust and reliable.

Conclusion

Athletes have superior executive function performance that increases with sports experience. In addition, open-skilled athletes showed more positive executive function. The result has guiding significance for the selection and training of athletes in the future.

目的:运动员是否具有优越的执行功能还有待进一步研究。因此,本研究的目的是通过系统回顾和荟萃分析,探讨运动员的执行功能优势以及这些优势在开放式和封闭式技能运动中的差异。方法:计算机检索CNKI、Web of Science、PubMed、ScienceDirect、SPORTDiscus等数据库。经两位研究者进行文献选择、数据提取和质量评估后,采用SPSS 25.0、Stata 16.0和GraphPad Prism 8软件进行数据处理、统计分析和可视化呈现。结果:共纳入41篇文献,包括3845名运动员,平均年龄9.6 ~ 42.8岁。运动员抑制控制(Z = 5.18,标准化平均差(SMD) = -0.631, 95%可信区间(CI) = -0.869 ~ -0.392, p = 0.000)和工作记忆(Z = 3.42, SMD = -0.382, 95%CI = -0.601 ~ -0.163, p = 0.001)较无运动经验的普通组表现出更高的正性。优秀运动员和次优秀运动员、次优秀运动员和业余运动员在认知灵活性任务上的表现都比后者积极。此外,与封闭式技术运动员相比,开放式技术运动员在工作记忆和认知灵活性任务上的表现更为积极。Egger线性回归分析显示抑制控制可能存在发表偏倚,而工作记忆和认知灵活性不存在发表偏倚。单变量荟萃回归分析显示,发表日期(β = 0.145)和样本量(β = -0.002)是纳入认知灵活性的研究之间异质性的来源(p结论:运动员具有优异的执行功能表现,并且随着运动经验的增加而增加。此外,开放式技术运动员表现出更积极的执行功能。研究结果对今后运动员的选拔和训练具有指导意义。
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引用次数: 0
Research Progress on the Potential Pathogenesis of Persistent Postural–Perceptual Dizziness 持续性体位-知觉性头晕潜在发病机制的研究进展。
IF 2.6 3区 心理学 Q2 BEHAVIORAL SCIENCES Pub Date : 2024-12-31 DOI: 10.1002/brb3.70229
Chen Qin, Ruyi Zhang, Zhihui Yan
<div> <section> <h3> Introduction</h3> <p>Persistent postural–perceptual dizziness (PPPD) is the most prevalent chronic functional dizziness in the clinic. Unsteadiness, dizziness, or non-spinning vertigo are the main symptoms of PPPD, and they are typically aggravated by upright posture, active or passive movement, and visual stimulation. The pathogenesis of PPPD remains incompletely understood, and it cannot be attributed to any specific anatomical defect within the vestibular system. Consequently, there is no objective examination method for the disease, and the diagnosis primarily depends on the symptoms of the patient, which lack specificity.</p> </section> <section> <h3> Methods</h3> <p>To better understand the pathogenesis of PPPD and to aid in the development of novel diagnostic strategies and therapies, we conducted a comprehensive narrative review of the relevant literature. We performed a search for literature in PubMed using the following search phrases: “persistent postural–perceptual dizziness” OR “PPPD” OR “chronic subjective dizziness” OR “functional dizziness” OR “space-motion discomfort” OR “visual vertigo” OR “phobic postural vertigo.” The reference list of relevant studies was also screened. The search was limited to publications in English, and the final references were selected based on their relevance to the scope of this review.</p> </section> <section> <h3> Results</h3> <p>This review summarizes recent studies that have investigated the pathogenesis of PPPD. It is traditionally assumed that PPPD may result from altered postural control strategies, cortical integration of threat assessment and spatial orientation, or abnormal integration of multi-sensory information. Recent studies have shown that the brain structure, activity, structural connectivity, and even cerebral perfusion of patients with PPPD differ from those of healthy individuals. Furthermore, PPPD patients are different from healthy individuals in spatial navigation ability, vestibular perception thresholds, central sensitization, and oxidative stress. These findings provide additional anatomical and behavioral insights into the pathogenesis of PPPD, suggesting that PPPD may arise from shifts in the interactions among emotional, visuo-vestibular, and sensorimotor networks.</p> </section> <section> <h3> Conclusion</h3> <p>Understanding the complex pathogenesis of PPPD is crucial for the development of novel therapeutics against PPPD. Following the existing findings, our review suggests directions for future research.</p> </section> </di
持续性体位知觉头晕(PPPD)是临床上最常见的慢性功能性头晕。不稳、头晕或非旋转性眩晕是PPPD的主要症状,直立姿势、主动或被动运动以及视觉刺激通常会加重这些症状。PPPD的发病机制仍不完全清楚,它不能归因于任何特定的前庭系统解剖缺陷。因此,该疾病没有客观的检查方法,诊断主要依靠患者的症状,缺乏特异性。方法:为了更好地了解PPPD的发病机制,帮助开发新的诊断策略和治疗方法,我们对相关文献进行了全面的综述。我们使用以下搜索短语在PubMed中搜索文献:“持续性体位-知觉头晕”或“PPPD”或“慢性主观性头晕”或“功能性头晕”或“空间运动不适”或“视觉眩晕”或“恐惧体位性眩晕”。还筛选了相关研究的参考文献清单。检索仅限于英文出版物,最终参考文献是根据其与本综述范围的相关性选择的。结果:本文综述了近年来PPPD发病机制的研究进展。传统认为PPPD可能是由姿势控制策略改变、威胁评估和空间定向的皮质整合或多感觉信息的异常整合引起的。最近的研究表明,PPPD患者的大脑结构、活动、结构连通性甚至脑灌注都与健康人不同。此外,PPPD患者在空间导航能力、前庭感知阈值、中枢敏化和氧化应激方面与健康个体存在差异。这些发现为PPPD的发病机制提供了额外的解剖学和行为学见解,表明PPPD可能是由情感、视觉-前庭和感觉运动网络之间相互作用的变化引起的。结论:了解PPPD的复杂发病机制对开发新的PPPD治疗药物至关重要。根据现有的研究结果,我们的综述提出了未来研究的方向。
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引用次数: 0
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Brain and Behavior
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