Showing 281 - 300 results of 356 for search '"fMRI"', query time: 0.07s Refine Results
  1. 281

    Aberrant Resting-State Functional Connectivity of the Dorsal Attention Network in Tinnitus by Haimeng Hu, Yining Lyu, Shihong Li, Zheng Yuan, Chuntao Ye, Zhao Han, Guangwu Lin

    Published 2021-01-01
    “…Previous functional magnetic resonance imaging (fMRI) analyses have shown that the dorsal attention network (DAN) is involved in the pathophysiological changes of tinnitus, but few relevant studies have been conducted, and the conclusions to date are not uniform. …”
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  2. 282

    QPPLab: A generally applicable software package for detecting, analyzing, and visualizing large-scale quasiperiodic spatiotemporal patterns (QPPs) of brain activity by Nan Xu, Behnaz Yousefi, Nmachi Anumba, Theodore J. LaGrow, Xiaodi Zhang, Shella Keilholz

    Published 2025-02-01
    “…To address these challenges, we present QPPLab, an open-source MATLAB-based toolbox for detecting, analyzing, and visualizing QPPs from fMRI time series. QPPLab integrates correlation-based iterative algorithms, supports customizable parameter settings, and features automated workflows to simplify analysis. …”
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  3. 283

    Increased BOLD Variability in the Parietal Cortex and Enhanced Parieto-Occipital Connectivity during Tactile Perception in Congenitally Blind Individuals by Andrea Leo, Giulio Bernardi, Giacomo Handjaras, Daniela Bonino, Emiliano Ricciardi, Pietro Pietrini

    Published 2012-01-01
    “…To verify this hypothesis, we compared fMRI-measured BOLD signal temporal variability, an index of efficiency in functional information integration, in congenitally blind and sighted individuals during tactile spatial discrimination and motion perception tasks. …”
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    Article
  4. 284

    Modern Imaging Methods in the Diagnosis of Neurodegenerative Diseases by Paulina Dorota Pietrukaniec, Bartosz Omasta, Katarzyna Kamińska-Omasta, Olga Krupa, Daria Rybak, Kuba Borys Romańczuk, Magdalena Agata Czerska, Szymon Przemysław Stolarczyk, Zofia Martyna Wójcik, Kinga Furtak

    Published 2025-02-01
    “…Advanced brain imaging techniques, such as magnetic resonance imaging (MRI), positron emission tomography (PET), single photon emission tomography (SPECT) and functional magnetic resonance imaging (fMRI), play a key role in the diagnosis and monitoring of neurodegenerative diseases. …”
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  5. 285

    Peripheral contributions to resting state brain dynamics by Sarah Bricault, Miranda Dawson, Jiyoung Lee, Mitul Desai, Miriam Schwalm, Kevin Sunho Chung, Elizabeth DeTienne, Erinn Fagan, Nan Li, Andrew Becker, Sureshkumar Muthupalani, Jan-Philipp Fränken, Dimitris A. Pinotsis, Alan Jasanoff

    Published 2024-12-01
    “…To test the limits of this assumption, we analyzed peripheral contributions to resting state activity measured by fMRI in unanesthetized, chemically immobilized male rats that emulate human neuroimaging conditions. …”
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  6. 286

    Reduced connection strength leads to enhancement of working memory capacity in cognitive training by Guiyang Lv, Tianyong Xu, Jinhang Li, Ping Zhu, Feiyan Chen, Dongping Yang, Guoguang He

    Published 2025-03-01
    “…Previous research has confirmed that abacus-based mental calculation (AMC) training can enhance the WMC of subjects and suggested its possible association with changes in functional connectivity. With fMRI data, we construct whole brain resting state connectivity of subjects who underwent long-term AMC training and other subjects from a control group. …”
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  7. 287

    孤独症谱系障碍儿童面孔加工的脑功能磁共振成像

    Published 2015-01-01
    “…恐惧表情面孔图片作为视觉刺激,对14名学龄期ASD儿童和与之相匹配的7名正常对照(TD)儿童进行脑功能磁共振成像(BOLD-fMRI)扫描,分析ASD组儿童对中性面孔及恐惧面孔特异激活的脑区情况及与TD组儿童的差异?【结果】ASD组和TD组对家具图片均表现有双侧额下回激活增强,对中性面孔均表现有左侧额下回激活增强,但TD组对家具和中性面孔的激活脑区都更为广泛?…”
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  8. 288

    Time Course of Brain Activity Changes Related to Number (Quantity) Processing Triggered by Digits Versus Number Words: An Event-Related Potential (ERP) Study by Peter Walla, Philipp Klimovic

    Published 2025-01-01
    “…This may be because most studies have used functional magnetic resonance imaging (fMRI), which is known to have limited temporal resolution. …”
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  9. 289

    Early life stress and functional connectivity in antipsychotic-naïve first episode psychosis patients by Hillary N. Patton, Jose O. Maximo, James E. Bryant, Adrienne C. Lahti

    Published 2025-01-01
    “…The objective of this study is to examine the relationship between childhood trauma and functional connectivity of fronto-limbic regions in a large sample of antipsychotic-naïve patients with first episode psychosis (FEP). Resting state fMRI data from 105 FEP patients and 123 healthy controls (HC) were used. …”
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  10. 290

    Causal Links Between Brain Functional Networks and Endometriosis: A Large-Scale Genetic-Driven Observational Study by Feng S, Wang Y, Liu S, Zhang Y, He L

    Published 2025-02-01
    “…Conversely, endometriosis also can influence brain connectivity, potentially contributing to cognitive and emotional symptoms.Keywords: endometriosis, brain functional networks, resting-state fMRI, Mendelian randomization…”
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    Article
  11. 291

    Functional Connectivity Changes in Multiple-Frequency Bands in Acute Basal Ganglia Ischemic Stroke Patients: A Machine Learning Approach by Jie Li, Lulu Cheng, Shijian Chen, Jian Zhang, Dongqiang Liu, Zhijian Liang, Huayun Li

    Published 2022-01-01
    “…Several functional magnetic resonance imaging (fMRI) studies have investigated the resting-state functional connectivity (rs-FC) changes in the primary motor cortex (M1) in patients with acute basal ganglia ischemic stroke (BGIS). …”
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  12. 292

    Identification of Alzheimer’s Disease Progression Stages Using Topological Measures of Resting-State Functional Connectivity Networks: A Comparative Study by Zhanxiong Wu, Jinhui Wu, Xumin Chen, Xun Li, Jian Shen, Hui Hong

    Published 2022-01-01
    “…Resting-state functional magnetic resonance imaging (rs-fMRI) has been widely employed to examine brain functional connectivity (FC) alterations in various neurological disorders. …”
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    Article
  13. 293

    Repetitive Transcranial Magnetic Stimulation of Dorsolateral Prefrontal Cortex Affects Performance of the Wisconsin Card Sorting Task during Provision of Feedback by Ji Hyun Ko, Oury Monchi, Alain Ptito, Michael Petrides, Antonio P. Strafella

    Published 2008-01-01
    “…More recently, we showed using event-related fMRI that the dorsolateral prefrontal cortex (DL-PFC) significantly increased activity during feedback but not matching periods of the WCST, consistent with its proposed role in the monitoring of information in working memory. …”
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    Article
  14. 294

    Decoding HIV-associated neurocognitive disorders: a new perspective from multimodal connectomics by Zhongkai Zhou, Wei Wang, Hui Li, Ying Shi, Lingling Zhao, Yibo Lu, Xingchen Wei, Hongjun Li

    Published 2025-01-01
    “…Using multimodal neuroimaging techniques such as diffusion tensor imaging (DTI), structural magnetic resonance imaging (sMRI), and resting-state functional magnetic resonance imaging (rs-fMRI), researchers can detail the connectome network changes in the brains of PLWH. …”
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  15. 295

    Temporal–Spatial Acupuncture Effects on Poststroke Sensorimotor Cortex via Yanglingquan (GB34) by Ruoyi Liu, Yue Wang, Myadagbadam Boldbayar, Yuanyuan Li, Chen Chen, Xin Yu, Tianjiao Xu, Muzhao Zhang, Yihuai Zou, Hua Zhang

    Published 2024-01-01
    “…To explore motor cortex pathology and acupuncture’s immediate spatiotemporal effects on poststroke motor pathway impairment, 63 patients and 42 healthy subjects underwent three functional magnetic resonance imaging (fMRI) scans: resting-state, passive finger movement, and acupuncture at Yanglingquan points. …”
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  16. 296

    海洛因成瘾患者静息状态下脑默认网络功能及结构连接的改变

    Published 2015-01-01
    “…观察海洛因成瘾患者脑默认网络结构连接(DTI三维白质纤维束追踪获取的路径长度,FA(分数各向异性),MD(平均扩散系数),AD(轴向弥散率)和RD(纵向弥散率))和功能连接(f-MRI获取的时间相关系数)改变,应用皮尔森相关分析调查海洛因患者的默认网络结构/功能连接指数与海洛因成瘾时间及临床决策能力(爱荷华赌博任务(IGT))间的关系。…”
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  17. 297

    原发性失眠全脑度中心度的改变 by 马晓芬, 曾少庆, 吴筠凡, 傅世舜, 华克磊, 江桂华

    Published 2017-01-01
    “…【目的】基于静息态功能磁共振成像技术(fMRI),利用度中心度(DC)分析方法探讨原发性失眠(PI)患者静息 态下脑神经网络功能连接的异常属性,找寻原发性失眠相关神经机制的影像学证据。…”
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  18. 298

    Tripartite organization of brain state dynamics underlying spoken narrative comprehension by Lanfang Liu, Jiahao Jiang, Hehui Li, Guosheng Ding

    Published 2025-01-01
    “…Applying Hidden Markov Modeling to fMRI data obtained during spoken narrative comprehension, we reveal that the whole brain networks predominantly oscillate within a tripartite latent state space. …”
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  19. 299

    Prob-sparse self-attention extraction of time-aligned dynamic functional connectivity for ASD diagnosis by Hongwu Chen, Fan Feng, Pengwei Lou, Ying Li, MingLi Zhang, Feng Zhao

    Published 2025-01-01
    “…Our model is evaluated on fMRI data from the ABIDE NYU site, and the experimental results demonstrate that the model outperforms other methods in the paper with a classification accuracy of 81.8 %. …”
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  20. 300

    Frontal Pole, Cingulate Gyrus, and Precuneus Cortex Represent the Confidence Level in Prediction of Other's Risky Decision-Making. by Ahmad Shoaa Haghighi, Soroush Safari, Elahe Oloumi, Hadis Jameei, Gholam Ali Hossein Zadeh, Abdol-Hossein Vahabie

    Published 2025-01-01
    “…For this aim, functional magnetic resonance imaging (fMRI) combined with behavioral tasks is used to demonstrate the neural representation of human confidence level about others’ possible choices. …”
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    Article