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Publisher Correction: Diversity and immune dynamics of choroid plexus macrophages are shaped by distinct developmental origins. 编者更正:脉络膜丛巨噬细胞的多样性和免疫动力学是由不同的发育起源形成的。
IF 2 1区 医学 Q1 NEUROSCIENCES Pub Date : 2026-02-05 DOI: 10.1038/s41593-026-02222-2
Siling Du, Khai M Nguyen, Alina Ulezko Antonova, Jose L Fachi, Patrick Fernandes Rodrigues, Alice Verdiani, Martina Molgora, Igor Smirnov, Jasmin Herz, Tornike Mamuladze, Jennifer Ponce, Amanda Swain, Mattia Bugatti, Susan Gilfillan, Marina Cella, William Vermi, Jonathan Kipnis, Marco Colonna, Simone Brioschi
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引用次数: 0
Neural population geometry and optimal coding of tasks with shared latent structure 共享潜在结构任务的神经种群几何与优化编码
IF 25 1区 医学 Q1 NEUROSCIENCES Pub Date : 2026-02-04 DOI: 10.1038/s41593-025-02183-y
Albert J. Wakhloo, Will Slatton, SueYeon Chung
Animals can recognize latent structures in their environment and apply this information to efficiently navigate the world. Several works argue that the brain supports these abilities by forming neural representations from which behaviorally relevant variables can be read out across contexts and tasks. However, it is unclear which features of neural activity facilitate downstream readout. Here we analytically determine the geometric properties of neural activity that govern linear readout generalization on a set of tasks sharing a common latent structure. We show that four statistics summarizing the dimensionality, factorization and correlation structures of neural activity determine generalization. Early in learning, optimal neural representations are lower dimensional and exhibit higher correlations between single units and task variables than late in learning. We support these predictions through biological and artificial neural data analysis. Our results tie the linearly decodable information in neural population activity to its geometry.
动物可以识别环境中潜在的结构,并利用这些信息有效地导航世界。一些研究认为,大脑通过形成神经表征来支持这些能力,从神经表征中可以读出跨环境和任务的行为相关变量。然而,目前尚不清楚神经活动的哪些特征促进了下游读出。在这里,我们分析确定了神经活动的几何性质,这些神经活动控制着一组共享共同潜在结构的任务的线性读出泛化。我们证明了总结神经活动的维数、因子分解和相关结构的四种统计量决定了泛化。在学习早期,最优神经表征是较低维度的,并且在单个单元和任务变量之间表现出比学习后期更高的相关性。我们通过生物和人工神经数据分析来支持这些预测。我们的结果将神经种群活动中的线性可解码信息与其几何结构联系起来。
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引用次数: 0
Studying infant vision in the scanner and in silico reveals the richness of early brain function. 通过扫描仪和计算机研究婴儿视觉揭示了早期大脑功能的丰富性。
IF 2 1区 医学 Q1 NEUROSCIENCES Pub Date : 2026-02-02 DOI: 10.1038/s41593-025-02198-5
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引用次数: 0
Infants have rich visual categories in ventrotemporal cortex at 2 months of age 婴儿在2月龄时具有丰富的腹颞叶皮层视觉分类
IF 25 1区 医学 Q1 NEUROSCIENCES Pub Date : 2026-02-02 DOI: 10.1038/s41593-025-02187-8
Cliona O’Doherty, Áine T. Dineen, Anna Truzzi, Graham King, Lorijn Zaadnoordijk, Keelin Harrison, Enna-Louise D’Arcy, Jessica White, Chiara Caldinelli, Tamrin Holloway, Anna Kravchenko, Jörn Diedrichsen, Ailbhe Tarrant, Angela T. Byrne, Adrienne Foran, Eleanor J. Molloy, Rhodri Cusack
What are the foundations of visual categories in the human brain? Although infant looking behavior characterizes the development of overt categorization, it cannot measure neural representation or distinguish the underlying mechanism. For this, we need rich neuroimaging from young infants and the capacity to apply advanced computational models of vision. In this study, we conducted an awake functional magnetic resonance imaging (fMRI) study of more than 100 2-month-old infants, with follow-ups at 9 months, finding that categorical structure is present in high-level visual cortex from 2 months of age. This precedes its emergence in lateral visual cortex, suggesting non-hierarchical development of category representations. A deep neural network model aligned with infants’ representational geometry, indicating that the features comprising infants’ category template span a range of complexities and can be learned from the statistics of visual input. Our results reveal the existence of complex function in ventral visual cortex at 2 months of age and describe the early development of category perception.
人类大脑中视觉分类的基础是什么?虽然婴儿注视行为是显性分类发展的特征,但它不能衡量神经表征或区分潜在的机制。为此,我们需要幼儿丰富的神经影像和应用先进的视觉计算模型的能力。在这项研究中,我们对100多名2个月大的婴儿进行了清醒功能磁共振成像(fMRI)研究,并在9个月大时进行了随访,发现分类结构从2个月大开始就存在于高级视觉皮层中。这先于它在侧视皮层的出现,表明类别表征的非分层发展。一个深度神经网络模型与婴儿的具象几何相一致,表明构成婴儿类别模板的特征跨越了一系列复杂性,并且可以从视觉输入的统计中学习。我们的研究结果揭示了婴儿2月龄时腹侧视觉皮层复杂功能的存在,并描述了类别知觉的早期发展。
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引用次数: 0
Corticothalamic communication for action coordination in a skilled motor behavior. 在熟练的运动行为中协调动作的皮质丘脑通讯。
IF 2 1区 医学 Q1 NEUROSCIENCES Pub Date : 2026-01-29 DOI: 10.1038/s41593-025-02195-8
Yi Li, Xu An, Patrick J Mulcahey, Yongjun Qian, X Hermione Xu, Shengli Zhao, Hemanth Mohan, Shreyas M Suryanarayana, Ludovica Bachschmid-Romano, Nicolas Brunel, Ian Q Whishaw, Z Josh Huang

The coordination of forelimb and orofacial movements to compose an ethological reach-to-consume behavior likely involves neural communication across brain regions. Leveraging wide-field imaging and photoinhibition to survey across the cortex, we identified a cortical network and a high-order motor area (the central region of the secondary motor cortex (MOs-c)), which coordinate action progression in a mouse reach-and-withdraw-to-drink (RWD) behavior. Electrophysiology and photoinhibition across multiple projection neuron types within the MOs-c revealed differential contributions of pyramidal tract and corticothalamic (CTMOs) output channels to action progression and hand-mouth coordination. Notably, CTMOs display sustained firing throughout RWD actions and selectively enhance RWD-relevant activity in postsynaptic thalamus neurons, which also contribute to action coordination. CTMOs receive converging monosynaptic inputs from forelimb and orofacial sensorimotor areas and are reciprocally connected to thalamic neurons, which project back to the cortical network. Therefore, the motor cortex CT channel may selectively amplify the thalamic integration of cortical and subcortical sensorimotor streams to coordinate a skilled motor behavior.

前肢和口面部运动的协调构成了一种行为学上的伸手消费行为,可能涉及到大脑区域之间的神经交流。利用宽视场成像和光抑制对整个皮层进行调查,我们确定了一个皮层网络和一个高阶运动区域(次级运动皮层的中心区域(MOs-c)),它们协调了小鼠伸手戒酒(RWD)行为的行动进展。MOs-c内多种投射神经元类型的电生理和光抑制揭示了锥体束和皮质丘脑(CTMOs)输出通道对动作进展和手口协调的不同贡献。值得注意的是,CTMOs在RWD动作中表现出持续的放电,并选择性地增强了突触后丘脑神经元中RWD相关的活动,这也有助于动作协调。ctmo接收来自前肢和口面部感觉运动区的聚合单突触输入,并与丘脑神经元相互连接,丘脑神经元投射回皮层网络。因此,运动皮质CT通道可能选择性地放大丘脑皮层和皮层下感觉运动流的整合,以协调熟练的运动行为。
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引用次数: 0
Diversity and immune dynamics of choroid plexus macrophages are shaped by distinct developmental origins 脉络丛巨噬细胞的多样性和免疫动力学是由不同的发育起源形成的
IF 25 1区 医学 Q1 NEUROSCIENCES Pub Date : 2026-01-21 DOI: 10.1038/s41593-025-02158-z
Siling Du, Khai M. Nguyen, Alina Ulezko Antonova, Jose L. Fachi, Patrick Fernandes Rodrigues, Alice Verdiani, Martina Molgora, Igor Smirnov, Jasmin Herz, Tornike Mamuladze, Jennifer Ponce, Amanda Swain, Mattia Bugatti, Susan Gilfillan, Marina Cella, William Vermi, Jonathan Kipnis, Marco Colonna, Simone Brioschi
The choroid plexus forms a key barrier and signaling interface between the brain and peripheral circulation, yet its immune landscape remains incompletely understood. Using single-cell transcriptomics combined with lineage and spatial tracing methods, we identified three biologically distinct populations of choroid plexus macrophages, defined by differential expression of CD163, MHCII or CD9. These subsets arise from separate hematopoietic waves, occupy distinct anatomical niches and differentially rely on CSF1 and IL-34 for survival. We found that TGFβ signaling is essential to maintain their tissue-specific identities, and deletion of Tgfbr2 in these cells induces broad phenotypic reprogramming. During neuroinflammation, choroid plexus macrophages mount type I interferon responses and secrete chemokines that recruit CD8+ T cells. Finally, analysis of human choroid plexus reveals macrophage subsets corresponding to those found in mice, indicating evolutionary conservation of their molecular and immune features. Together, these findings define the developmental origin, niche specialization and immune dynamics of choroid plexus macrophages.
脉络膜丛形成了大脑和外周循环之间的关键屏障和信号接口,但其免疫景观仍不完全了解。利用单细胞转录组学结合谱系和空间追踪方法,我们鉴定了三种生物学上不同的脉络膜丛巨噬细胞群体,通过CD163、MHCII和CD9的差异表达来定义。这些亚群产生于不同的造血波,占据不同的解剖位,不同地依赖于CSF1和IL-34来生存。我们发现TGFβ信号对于维持其组织特异性身份至关重要,并且在这些细胞中删除Tgfbr2可诱导广泛的表型重编程。在神经炎症期间,脉络膜丛巨噬细胞产生I型干扰素反应并分泌趋化因子募集CD8+ T细胞。最后,对人脉络膜丛的分析揭示了巨噬细胞亚群与小鼠中发现的巨噬细胞亚群相对应,表明其分子和免疫特征的进化守恒。总之,这些发现定义了脉络膜丛巨噬细胞的发育起源、生态位特化和免疫动力学。
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引用次数: 0
A prefrontal cortex map based on single-neuron activity 基于单个神经元活动的前额皮质图
IF 25 1区 医学 Q1 NEUROSCIENCES Pub Date : 2026-01-20 DOI: 10.1038/s41593-025-02190-z
Pierre Le Merre, Katharina Heining, Marina Slashcheva, Felix Jung, Eleni Moysiadou, Nicolas Guyon, Ram Yahya, Hyunsoo Park, Fredrik Wernstal, Marie Carlén
The intrinsic organization underlying the central cognitive role of the prefrontal cortex (PFC) is poorly understood. We approached organization by profiling the activity and spatial location of >24,000 neurons recorded in awake mice. High-resolution activity maps of the PFC did not align with cytoarchitecturally defined subregions. Instead, spontaneous activity and tuning to choice during a behavioral task were both related to intra-PFC hierarchy, suggesting that connectivity, rather than cytoarchitecture, shapes the PFC’s activity landscape. Low-rate, regular spontaneous firing was a hallmark of both the PFC and high hierarchy. Surprisingly, choice tuning was overrepresented in units displaying high spontaneous firing rates, linking connectivity-based hierarchy to distinct functional properties in separate neuronal populations. Our data-driven approach provides a scalable roadmap to explore functional organizations in diverse brain regions and species, opening avenues to obtain an integrated view of activity, structure and function in the brain.
前额叶皮层(PFC)核心认知作用的内在组织尚不清楚。我们通过分析清醒小鼠记录的bbbb24000个神经元的活动和空间位置来研究组织。PFC的高分辨率活动图与细胞结构定义的亚区不一致。相反,行为任务中的自发活动和选择调整都与PFC内部的层次结构有关,这表明是连通性而不是细胞结构塑造了PFC的活动格局。低速率,有规律的自发射击是PFC和高等级的标志。令人惊讶的是,选择调谐在显示高自发放电率的单元中被过度代表,将基于连接的层次结构与不同神经元群体的不同功能特性联系起来。我们的数据驱动方法为探索不同大脑区域和物种的功能组织提供了可扩展的路线图,为获得大脑活动,结构和功能的综合视图开辟了途径。
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引用次数: 0
Author Correction: Choroid plexus apocrine secretion shapes CSF proteome during mouse brain development 作者更正:在小鼠大脑发育过程中脉络丛大汗液分泌形成脑脊液蛋白质组。
IF 2 1区 医学 Q1 NEUROSCIENCES Pub Date : 2026-01-15 DOI: 10.1038/s41593-026-02203-5
Ya’el Courtney, Joshua P. Head, Neil Dani, Olga V. Chechneva, Frederick B. Shipley, Yong Zhang, Michael J. Holtzman, Cameron Sadegh, Towia A. Libermann, Maria K. Lehtinen
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引用次数: 0
Investigating the methodological foundation of lesion network mapping 探讨病变网络映射的方法学基础
IF 25 1区 医学 Q1 NEUROSCIENCES Pub Date : 2026-01-15 DOI: 10.1038/s41593-025-02196-7
Martijn P. van den Heuvel, Ilan Libedinsky, Sebastian Quiroz Monnens, Jonathan Repple, Iris Sommer, Luca Cocchi
Lesion network mapping (LNM) is a neuroimaging framework that uses normative functional connectivity (FC) data to link heterogeneous brain lesions and functional alterations to brain networks implicated in neurological and psychiatric conditions. However, many of the networks identified by LNM and related methods appear to be highly similar across diverse conditions such as addiction, depression, psychosis and epilepsy. To understand this similarity, we re-examined the data from multiple LNM studies and assessed the methodological roots of the method. Our findings reveal a foundational limitation: at its core, LNM involves a repetitive sampling of one and the same FC matrix. As a result, it systematically maps sets of local brain changes—whether they are patient lesions, magnetic resonance imaging-derived alterations, synthetic or random—onto the same nonspecific properties of the used FC data, producing highly similar networks across conditions. This central limitation cautions the use of LNM as a method for studying distinct biological networks underlying brain disorders. Our work may aid the development of a new generation of network-mapping methods from first principles.
病变网络映射(LNM)是一种神经成像框架,它使用规范功能连接(FC)数据将异质脑病变和功能改变与神经和精神疾病相关的脑网络联系起来。然而,LNM和相关方法确定的许多网络在成瘾、抑郁、精神病和癫痫等不同情况下似乎高度相似。为了理解这种相似性,我们重新检查了多个LNM研究的数据,并评估了该方法的方法学根源。我们的研究结果揭示了一个基本的局限性:LNM的核心是对同一个FC矩阵进行重复采样。因此,它系统地将局部大脑变化的集合——无论是患者病变,磁共振成像衍生的改变,合成的还是随机的——映射到使用的FC数据的相同的非特异性属性上,在不同条件下产生高度相似的网络。这一中心限制使LNM作为一种研究大脑疾病背后的不同生物网络的方法受到警告。我们的工作可能有助于从第一性原理发展新一代网络映射方法。
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引用次数: 0
Rethinking the role of position in cortical function 重新思考位置在皮质功能中的作用。
IF 2 1区 医学 Q1 NEUROSCIENCES Pub Date : 2026-01-08 DOI: 10.1038/s41593-025-02191-y
Abnormally located cortical neurons, displaced in developing mice lacking cortical Eml1, retain their molecular identities, form appropriate connections and build functional sensory maps. Most strikingly, these misplaced neurons can drive behavior by themselves — showing that brain function depends on how neurons connect, and to what, more than where they live.
在缺乏皮层Eml1的发育小鼠中,位置异常的皮质神经元移位,保留其分子身份,形成适当的连接并构建功能感觉图。最引人注目的是,这些错位的神经元可以自己驱动行为——这表明大脑功能取决于神经元如何连接,连接什么,而不是它们生活在哪里。
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引用次数: 0
期刊
Nature neuroscience
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