Brain Structure & Function最新文献

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Animal models are useful in studying human neuroanatomy with tractography. 动物模型在利用神经束造影研究人类神经解剖学方面是有用的。
IF 2.7 3区 医学
Brain Structure & Function Pub Date : 2025-05-31 DOI: 10.1007/s00429-025-02945-1
Alard Roebroeck, Suzanne Haber, Elena Borra, Simona Schiavi, Stephanie J Forkel, Kathleen Rockland, Tim B Dyrby, Kurt Schilling
{"title":"Animal models are useful in studying human neuroanatomy with tractography.","authors":"Alard Roebroeck, Suzanne Haber, Elena Borra, Simona Schiavi, Stephanie J Forkel, Kathleen Rockland, Tim B Dyrby, Kurt Schilling","doi":"10.1007/s00429-025-02945-1","DOIUrl":"https://doi.org/10.1007/s00429-025-02945-1","url":null,"abstract":"<p><p>Despite the impact of tractography on human brain mapping, direct validation and biological interpretation remain challenging. This short communication summarizes the key points of a debate held at the 2024 Tract-Anat Retreat on whether animal models are useful for studying human neuroanatomy with diffusion MRI tractography. While recognizing limitations, such as anatomical and biological differences between species, hardware and acquisition considerations and direct translation and interpretation, we identified immense value and utility of animal models for tractography including validation with histology, acquiring high-resolution datasets, exploring disease mechanisms, and advancing comparative neuroanatomy. These perspectives highlight the translational potential of preclinical models to inform tractography methodologies and underscore the need for careful species selection, methodological rigor, and ethical oversight in cross-species neuroimaging research.</p>","PeriodicalId":9145,"journal":{"name":"Brain Structure & Function","volume":"230 5","pages":"79"},"PeriodicalIF":2.7,"publicationDate":"2025-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144191520","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}
引用次数: 0
Altered white matter architecture in patients with isolated congenital anosmia. 孤立性先天性嗅觉缺失患者的白质结构改变。
IF 2.7 3区 医学
Brain Structure & Function Pub Date : 2025-05-31 DOI: 10.1007/s00429-025-02942-4
Yun-Ting Chao, Yin-Chun Liao, Pei-Shan Hsu, Divesh Thaploo
{"title":"Altered white matter architecture in patients with isolated congenital anosmia.","authors":"Yun-Ting Chao, Yin-Chun Liao, Pei-Shan Hsu, Divesh Thaploo","doi":"10.1007/s00429-025-02942-4","DOIUrl":"https://doi.org/10.1007/s00429-025-02942-4","url":null,"abstract":"<p><p>Isolated Congenital Anosmia (ICA) is a rare condition characterized by the absence of the sense of smell due to the underdevelopment of the olfactory bulbs and a corresponding lifelong lack of olfactory input to the brain. Previous studies have reported that ICA patients exhibit structural and volumetric alterations in both gray and white matter regions as well as slightly elevated fractional anisotropy (FA) in the orbitofrontal cortex. This study expanded on these findings by utilizing whole-brain diffusion tensor imaging (DTI) with a 3T MR scanner to investigate microstructural changes in the white matter of 8 ICA patients and 14 age- and gender-matched healthy controls (HCs). Tract-based spatial statistics revealed significantly lower FA values in the right superior corona radiata (SCR) of ICA patients compared to HCs (p = 0.001), indicating compromised white matter integrity in this region. Elevated mean diffusivity and radial diffusivity values in the right SCR (p = 0.009 and p = 0.002, respectively) suggest underlying demyelination. In the HC group, FA values in the SCR cluster were positively correlated with odor identification scores (rho = 0.59, p = 0.026), highlighting the functional relevance of SCR in processing olfactory information and semantic formation of odor perception. These findings underscore the critical role of early sensory input in shaping the architecture of white matter, and illustrate the impact of congenital olfactory deprivation on the structural integrity and functional organization of neural pathways.</p>","PeriodicalId":9145,"journal":{"name":"Brain Structure & Function","volume":"230 5","pages":"78"},"PeriodicalIF":2.7,"publicationDate":"2025-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144191519","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}
引用次数: 0
Brain connectivity: complex, not chaotic. 大脑连接:复杂,而非混乱。
IF 2.7 3区 医学
Brain Structure & Function Pub Date : 2025-05-30 DOI: 10.1007/s00429-025-02943-3
Elena Borra, Derek K Jones, Martin Parent, Laurent Petit, Kathleen S Rockland, R Jarrett Rushmore, Diego Szczupak
{"title":"Brain connectivity: complex, not chaotic.","authors":"Elena Borra, Derek K Jones, Martin Parent, Laurent Petit, Kathleen S Rockland, R Jarrett Rushmore, Diego Szczupak","doi":"10.1007/s00429-025-02943-3","DOIUrl":"https://doi.org/10.1007/s00429-025-02943-3","url":null,"abstract":"<p><p>The term \"connections\" is a commonly used and convenient shorthand for describing the complex organization of the brain, but it can easily lead to an overemphasis on pairwise or point-to-point, source-target network connectivity. Anatomical studies make clear that there are other important features to consider such as divergence and collateralization (axons or bundles branching to multiple targets), convergence (multiple bundles from different sources converging on the same target), and scrambled topography along a trajectory. This short \"Did You Know\" communication elaborates on several of these features from the anatomical perspective, while inviting continued dialogue with the tractography community in addressing the shared goals of better understanding brain organization.</p>","PeriodicalId":9145,"journal":{"name":"Brain Structure & Function","volume":"230 5","pages":"77"},"PeriodicalIF":2.7,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144186489","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}
引用次数: 0
Cross-species neuroanatomy in primates using tractography. 用神经束造影进行灵长类动物的跨物种神经解剖学。
IF 2.7 3区 医学
Brain Structure & Function Pub Date : 2025-05-28 DOI: 10.1007/s00429-025-02914-8
Stamatios N Sotiropoulos, Michel Thiebaut de Schotten, Suzanne N Haber, Stephanie J Forkel
{"title":"Cross-species neuroanatomy in primates using tractography.","authors":"Stamatios N Sotiropoulos, Michel Thiebaut de Schotten, Suzanne N Haber, Stephanie J Forkel","doi":"10.1007/s00429-025-02914-8","DOIUrl":"10.1007/s00429-025-02914-8","url":null,"abstract":"<p><p>Due to their integrative role in brain function, long-range white matter connections exhibit high individual variability, giving rise to personalised brain circuits. This neurovariability is more evident in the connection patterns of brain areas that have evolved more recently. Diffusion MRI tractography allows unique opportunities for comparative neuroanatomy across species to study evolution and provide unique insights into the phylogeny of brain networks, which we overview in this note, inspired by discussions at the International Society for Tractography (IST) retreat.</p>","PeriodicalId":9145,"journal":{"name":"Brain Structure & Function","volume":"230 5","pages":"75"},"PeriodicalIF":2.7,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12119697/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144156945","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Neuroimaging and immunofluorescence of the Pseudopus apodus brain: unraveling its structural complexity. 伪蜈蚣脑的神经成像和免疫荧光:揭示其结构复杂性。
IF 2.7 3区 医学
Brain Structure & Function Pub Date : 2025-05-28 DOI: 10.1007/s00429-025-02940-6
S Jiménez, R Morona, M J Ruiz-Fernández, E Fernández-Valle, D Castejón, M I García-Real, J González-Soriano, N Moreno
{"title":"Neuroimaging and immunofluorescence of the Pseudopus apodus brain: unraveling its structural complexity.","authors":"S Jiménez, R Morona, M J Ruiz-Fernández, E Fernández-Valle, D Castejón, M I García-Real, J González-Soriano, N Moreno","doi":"10.1007/s00429-025-02940-6","DOIUrl":"10.1007/s00429-025-02940-6","url":null,"abstract":"<p><p>The present study provides an in-depth neuroanatomical characterization of the brain of Pseudopus apodus, combining magnetic resonance imaging (MRI) with histological analysis by immunofluorescence. In the telencephalon, the pallial regions showed distinct anatomical features, including a cortical structure, a dorsal ventricular ridge and the spherical nucleus, but prominent layering patterns, observable on histological slides, were not fully resolved by MRI. Subpallial structures, such as the nucleus accumbens and the basal ganglia, were delineated with histological clarity and further supported by MRI. In the hypothalamic and diencephalic regions, the dense and complex cellular composition made precise delineation of individual nuclei difficult by MRI, in contrast to the histological accuracy, however by MRI the identification of the major tracts running through these domains are clearly identifiable. Mesencephalic and rhombencephalic structures, including the optic tectum, isthmic nuclei, cerebellum, and reticular groups, were systematically described using a combination of histological and MRI techniques. In addition, immunofluorescence analysis of specific markers, such as Calretinin, ChAT, Isl1, Satb1, Serotonin and Tyrosine Hydroxylase, provided higher resolution of functional sub-regions, allowing precise identification of boundaries and facilitating comprehensive regional mapping, showing complex organizational arrangements, both in rostral regions, such as the dorsal ventricular crest, and in caudal regions, within the tegmental and posterior nuclei of the brain, including the ventral tegmental area, substantia nigra and raphe nuclei. These findings establish a robust neuroanatomical framework for Pseudopus apodus, contributing significantly to the understanding of reptile brain organization and providing valuable insights into the evolutionary adaptations underlying a limbless lizard neuroanatomy.</p>","PeriodicalId":9145,"journal":{"name":"Brain Structure & Function","volume":"230 5","pages":"76"},"PeriodicalIF":2.7,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12119748/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144156947","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Classifying athletes and non-athletes by differences in spontaneous brain activity: a machine learning and fMRI study. 根据自发脑活动的差异对运动员和非运动员进行分类:一项机器学习和功能磁共振成像研究。
IF 2.7 3区 医学
Brain Structure & Function Pub Date : 2025-05-24 DOI: 10.1007/s00429-025-02941-5
Lei Peng, Lin Xu, Zheyuan Zhang, Zexuan Wang, Xiao Zhong, Letong Wang, Ziyi Peng, Ruiping Xu, Yongcong Shao
{"title":"Classifying athletes and non-athletes by differences in spontaneous brain activity: a machine learning and fMRI study.","authors":"Lei Peng, Lin Xu, Zheyuan Zhang, Zexuan Wang, Xiao Zhong, Letong Wang, Ziyi Peng, Ruiping Xu, Yongcong Shao","doi":"10.1007/s00429-025-02941-5","DOIUrl":"https://doi.org/10.1007/s00429-025-02941-5","url":null,"abstract":"<p><p>Different types of sports training can induce distinct changes in brain activity and function; however, it remains unclear if there are commonalities across various sports disciplines. Moreover, the relationship between these brain activity alterations and the duration of sports training requires further investigation. This study employed resting-state functional magnetic resonance imaging (rs-fMRI) techniques to analyze spontaneous brain activity using the amplitude of low-frequency fluctuations (ALFF) and fractional amplitude of low-frequency fluctuations (fALFF) in 86 highly trained athletes compared to 74 age- and gender-matched non-athletes. Our findings revealed significantly higher ALFF values in the Insula_R (Right Insula), OFCpost_R (Right Posterior orbital gyrus), and OFClat_R (Right Lateral orbital gyrus) in athletes compared to controls, whereas fALFF in the Postcentral_R (Right Postcentral) was notably higher in controls. Additionally, we identified a significant negative correlation between fALFF values in the Postcentral_R of athletes and their years of professional training. Utilizing machine learning algorithms, we achieved accurate classification of brain activity patterns distinguishing athletes from non-athletes with over 96.97% accuracy. These results suggest that the functional reorganization observed in athletes' brains may signify an adaptation to prolonged training, potentially reflecting enhanced processing efficiency. This study emphasizes the importance of examining the impact of long-term sports training on brain function, which could influence cognitive and sensory systems crucial for optimal athletic performance. Furthermore, machine learning methods could be used in the future to select athletes based on differences in brain activity.</p>","PeriodicalId":9145,"journal":{"name":"Brain Structure & Function","volume":"230 5","pages":"74"},"PeriodicalIF":2.7,"publicationDate":"2025-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144136002","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}
引用次数: 0
Activation patterns in male and female forebrain areas during habituation to food and context novelty. 在食物和环境新颖性习惯过程中,男性和女性前脑区域的激活模式。
IF 2.7 3区 医学
Brain Structure & Function Pub Date : 2025-05-22 DOI: 10.1007/s00429-025-02927-3
Zoe R Irving, Eliza M Greiner, Mark Indriolo, Zhe Liu, Gorica D Petrovich
{"title":"Activation patterns in male and female forebrain areas during habituation to food and context novelty.","authors":"Zoe R Irving, Eliza M Greiner, Mark Indriolo, Zhe Liu, Gorica D Petrovich","doi":"10.1007/s00429-025-02927-3","DOIUrl":"https://doi.org/10.1007/s00429-025-02927-3","url":null,"abstract":"<p><p>Novelty has significant effects on feeding behavior. New foods and unfamiliar environments suppress consumption, and adaptation to novelty is fundamental to survival. Yet, little is known about habituation to eating in a novel environment. The aim of the current study was to determine if context familiarity impacts habituation to novel food and to identify underlying neural substrates. Adult male and female rats were tested for consumption of a novel, palatable food in a novel or familiar environment across four habituation sessions and a final test session. Test-induced Fos expression was measured in amygdalar, thalamic, prefrontal, and hippocampal regions known to be recruited during the first exposure to novelty. Rats in the novel context ate less compared to rats in the familiar context during each habituation session and test, and females ate less than males during the first session. Habituation to eating in the novel context robustly induced Fos in the majority of regions analyzed, including the central, basolateral, and basomedial nuclei of the amygdala, thalamic paraventricular and reuniens nuclei, and the hippocampal field CA1. Females had overall higher Fos induction in most regions analyzed and higher in the novel condition in the reuniens nucleus. Bivariate correlation analyses of Fos induction between regions found a large number of correlations in the novel context condition. Females tested in the novel context had uniquely large number of correlations between all regions analyzed, except for one thalamic subregion. These results suggest that novelty from context remains relevant late in habituation and recruits a distinct and more interactive network in females than in males.</p>","PeriodicalId":9145,"journal":{"name":"Brain Structure & Function","volume":"230 5","pages":"73"},"PeriodicalIF":2.7,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144118884","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}
引用次数: 0
The functional connectivity between the dorsolateral prefrontal cortex and the medial prefrontal cortex underlying the association between self-control and delay discounting. 背外侧前额叶皮层和内侧前额叶皮层之间的功能连接是自我控制和延迟折扣之间联系的基础。
IF 2.7 3区 医学
Brain Structure & Function Pub Date : 2025-05-21 DOI: 10.1007/s00429-025-02936-2
Wenzhuo Gong, Hengyue Zhao, Zhuoran Wei, Tingyong Feng, Pan Feng
{"title":"The functional connectivity between the dorsolateral prefrontal cortex and the medial prefrontal cortex underlying the association between self-control and delay discounting.","authors":"Wenzhuo Gong, Hengyue Zhao, Zhuoran Wei, Tingyong Feng, Pan Feng","doi":"10.1007/s00429-025-02936-2","DOIUrl":"10.1007/s00429-025-02936-2","url":null,"abstract":"<p><p>Delay discounting is the tendency for people to devalue future rewards as the time required to obtain them increases over time. Self-control is the ability to regulate behavior, emotions and cognition to achieve goals or adhere to social norms despite temptations, impulses or distractions. Previous studies have found that self-control was negatively correlated with delay discounting. However, the neural mechanism underlying the relationship between self-control and delay discounting remains unclear. To address this question, we examined the neural basis of the relationship between self-control and delay discounting using voxel-based morphometry(VBM) and resting-state functional connectivity analysis(RSFC). The behavioral results demonstrated a negative correlation between delay discounting and self-control. Furthermore, the voxel-based morphometry results showed a positive correlation between self-control and gray matter volume in the dorsolateral prefrontal cortex(dlPFC). Moreover, self-control was positively correlated with functional connectivity between the medial prefrontal cortex(mPFC) and the dorsolateral prefrontal cortex. More importantly, the association between self-control and delay discounting was shown to be partially mediated by the functional connectivity between the dlPFC and mPFC. These findings suggested that dlPFC-mPFC functional connectivity could be the neural basis underlying the association between self-control and delay discounting, which provided novel insights into how self-control affected delay discounting and offered new explanations from a neural perspective.</p>","PeriodicalId":9145,"journal":{"name":"Brain Structure & Function","volume":"230 5","pages":"71"},"PeriodicalIF":2.7,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144109543","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}
引用次数: 0
Katrin Amunts. 凯特琳Amunts。
IF 2.7 3区 医学
Brain Structure & Function Pub Date : 2025-05-21 DOI: 10.1007/s00429-025-02929-1
Katrin Amunts
{"title":"Katrin Amunts.","authors":"Katrin Amunts","doi":"10.1007/s00429-025-02929-1","DOIUrl":"https://doi.org/10.1007/s00429-025-02929-1","url":null,"abstract":"","PeriodicalId":9145,"journal":{"name":"Brain Structure & Function","volume":"230 5","pages":"70"},"PeriodicalIF":2.7,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144109539","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}
引用次数: 0
Fixel-based evidence for preserved white matter asymmetry in human situs inversus totalis. 基于固定的证据,证明人类相对于整体位置保留的白质不对称性。
IF 2.7 3区 医学
Brain Structure & Function Pub Date : 2025-05-21 DOI: 10.1007/s00429-025-02931-7
Emma M Karlsson, Helena Verhelst, Guy Vingerhoets
{"title":"Fixel-based evidence for preserved white matter asymmetry in human situs inversus totalis.","authors":"Emma M Karlsson, Helena Verhelst, Guy Vingerhoets","doi":"10.1007/s00429-025-02931-7","DOIUrl":"10.1007/s00429-025-02931-7","url":null,"abstract":"<p><p>Situs inversus totalis (SIT), a rare condition involving the complete reversal of thoracic and abdominal organ placement, provides a unique model for investigating potential relationships between visceral and cerebral asymmetries. In this study, we examined whether white matter asymmetries are altered in a group of 21 SIT participants compared with 21 matched situs solitus (SO) controls. This sample represents the largest cohort of SIT individuals studied to date. Using fixel-based analysis, an advanced diffusion magnetic resonance imaging framework, we compared micro- and macrostructural white matter asymmetries across the whole brain between the two groups, specifically assessing fiber density and cross-section (FDC). Both groups showed extensive yet comparable patterns of white matter asymmetry, with no significant group differences. These asymmetry patterns were consistent with those reported in previous fixel-based studies. These results suggest that white matter lateralization is preserved despite complete visceral reversal. The observed divergence between brain and visceral asymmetry patterns suggests that symmetry breaking in visceral laterality relies on distinct mechanisms.</p>","PeriodicalId":9145,"journal":{"name":"Brain Structure & Function","volume":"230 5","pages":"69"},"PeriodicalIF":2.7,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144109538","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}
引用次数: 0
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