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Anatomical Brain Networks on the Prediction of Abnormal Brain States

Yasser Iturria-Medina
2013 Brain Connectivity  
Graph-based brain anatomical network analysis models the brain as a graph whose nodes represent structural/ functional regions, whereas the links between them represent nervous fiber connections.  ...  This article offers an overview from early gross connectional anatomy explorations until more recent advances on anatomical brain network reconstruction approaches, with a specific focus on how the latter  ...  Acknowledgments I am grateful to Mireille Besson, Philip J.  ... 
doi:10.1089/brain.2012.0122 pmid:23249224 fatcat:bujls77bb5fdtivilt5iqbhatu

Hierarchical topological network analysis of anatomical human brain connectivity and differences related to sex and kinship

Julio M. Duarte-Carvajalino, Neda Jahanshad, Christophe Lenglet, Katie L. McMahon, Greig I. de Zubicaray, Nicholas G. Martin, Margaret J. Wright, Paul M. Thompson, Guillermo Sapiro
2012 NeuroImage  
fiber tracts in the white matter, providing a basis to reconstruct a detailed map of brain structural connectivity networks.  ...  In addition to studying new topological features, here we provide a unifying general method to investigate topological brain networks and connectivity differences between individuals, pairs of individuals  ...  In a degenerative disease such as Alzheimer's disease, for example, there is interest in whether network measures of brain connectivity are altered by the disease.  ... 
doi:10.1016/j.neuroimage.2011.10.096 pmid:22108644 pmcid:PMC3551467 fatcat:vu5x7jetuvheli3vn7eqpmgro4

Robust multimodality registration for brain mapping

Laurent Itti, Linda Chang, Jean François Mangin, Jacques Darcourt, Thomas Ernst
1997 Human Brain Mapping  
A new generalized distance definition and new specific methodologies allow registration of scans that cover only a limited range of brain surface.  ...  In conclusion, the application of several new image processing techniques allowed efficient and robust registration. r Human Brain Mapping 5:3-17(1997) r r 1997 Wiley-Liss, Inc. r Robust Multimodality  ...  We consequently devised a new anisotropic chamfer distance map (ACDM; detailed in Surface Matching, below) to obtain truly isotropic erosion.  ... 
doi:10.1002/(sici)1097-0193(1997)5:1<3::aid-hbm2>3.3.co;2-b fatcat:e24bs3alp5ddhbqurfjkfd67om

Robust multimodality registration for brain mapping

Laurent Itti, Linda Chang, Jean François Mangin, Jacques Darcourt, Thomas Ernst
1997 Human Brain Mapping  
A new generalized distance definition and new specific methodologies allow registration of scans that cover only a limited range of brain surface.  ...  In conclusion, the application of several new image processing techniques allowed efficient and robust registration. r Human Brain Mapping 5:3-17(1997) r r 1997 Wiley-Liss, Inc. r Robust Multimodality  ...  We consequently devised a new anisotropic chamfer distance map (ACDM; detailed in Surface Matching, below) to obtain truly isotropic erosion.  ... 
doi:10.1002/(sici)1097-0193(1997)5:1<3::aid-hbm2>3.0.co;2-7 pmid:20408206 fatcat:rjf5uybrwbhhvilhbu34byaljy

Identifying and Mapping Connectivity Patterns of Brain Network Hubs in Alzheimer's Disease

Zhengjia Dai, Chaogan Yan, Kuncheng Li, Zhiqun Wang, Jinhui Wang, Miao Cao, Qixiang Lin, Ni Shu, Mingrui Xia, Yanchao Bi, Yong He
2014 Cerebral Cortex  
Alzheimer's disease (AD) is associated not only with regional gray matter damages, but also with abnormalities in functional integration between brain regions.  ...  Finally, the nodal connectivity strength in the posteromedial cortex exhibited a highly discriminative power in distinguishing individuals with AD from HCs.  ...  Introduction Alzheimer's disease (AD) is a progressive, neurodegenerative disease characterized by a decline of memory and cognitive functions.  ... 
doi:10.1093/cercor/bhu246 pmid:25331602 fatcat:zzo7wrofkbh7nc34tbaipzni44

Rich club analysis in the Alzheimer's disease connectome reveals a relatively undisturbed structural core network

Madelaine Daianu, Neda Jahanshad, Talia M. Nir, Clifford R. Jack, Michael W. Weiner, Matt A. Bernstein, Paul M. Thompson
2015 Human Brain Mapping  
Diffusion imaging can assess the white matter connections within the brain, revealing how neural pathways break down in Alzheimer's disease (AD).  ...  From whole-brain tractography, we reconstructed structural brain connectivity networks to map connections between cortical regions.  ...  Drug Discovery Research and Education, and the study is coordinated by the Alzheimer's Disease Cooperative Study at the University of California, San Diego.  ... 
doi:10.1002/hbm.22830 pmid:26037224 pmcid:PMC4504816 fatcat:ltqlyxmjiff37jier5i6kg5ucu

The heterogeneous functional architecture of the posteromedial cortex is associated with selective functional connectivity differences in Alzheimer's disease

Wasim Khan, Ali Amad, Vincent Giampietro, Emilio Werden, Sara De Simoni, Jonathan O'Muircheartaigh, Eric Westman, Owen O'Daly, Steve C. R. Williams, Amy Brodtmann, for the Alzheimer's Disease Neuroimaging Initiative
2019 Human Brain Mapping  
The posteromedial cortex (PMC) is a key region involved in the development and progression of Alzheimer's disease (AD).  ...  These distinct connectivity profiles were subsequently quantified in the Alzheimer's Disease Neuroimaging Initiative study, to examine functional connectivity differences in AD patients and cognitively  ...  Subsequently, these detailed maps of the PMC were used to compare functional connectivity differences in AD using the publicly available and widely phenotyped Alzheimer's Disease Neuroimaging Initiative  ... 
doi:10.1002/hbm.24894 pmid:31854490 pmcid:PMC7268042 fatcat:x4gtebmu7fekxg4ojxifyppcpq

Loss in connectivity among regions of the brain reward system in alcohol dependence

Amy Kuceyeski, Dieter J. Meyerhoff, Timothy C. Durazzo, Ashish Raj
2012 Human Brain Mapping  
A recently developed measure of structural brain connectivity disruption, the loss in connectivity (LoCo), is adapted for studies in alcohol dependence.  ...  Abstract A recently developed measure of structural brain connectivity disruption, the Loss in Connectivity (LoCo), is adapted for studies in alcohol dependence.  ...  Acknowledgments This work was supported by the National Institutes of Health [F32 EB012404-02 to AK, P41 RR023953-02 to AR and DJM, P41 RR023953-02S1 to AR, R21 EB008138-02 to AR, AA10788 to DJM, DA24136  ... 
doi:10.1002/hbm.22132 pmid:22815206 pmcid:PMC3931305 fatcat:ll6lumbe2jbvtjpscin7idcrsm

Diffusion Tensor Imaging (DTI)-based White Matter Mapping in Brain Research: A Review

Yaniv Assaf, Ofer Pasternak
2007 Journal of Molecular Neuroscience  
While DTI offers a powerful tool to study and visualize white matter, it suffers from inherent artifacts and limitations.  ...  Nevertheless, when combined with functional brain mapping, DTI provides an efficient tool for comprehensive, noninvasive, functional anatomy mapping of the human brain.  ...  DTI as an Anatomical Tool (or To Track or Not To Track?)  ... 
doi:10.1007/s12031-007-0029-0 pmid:18157658 fatcat:5t3ewp6j2ja73fyshg7hk5usuu

In vivo neuropathology of the hippocampal formation in AD: A radial mapping MR-based study

G.B. Frisoni, F. Sabattoli, A.D. Lee, R.A. Dutton, A.W. Toga, P.M. Thompson
2006 NeuroImage  
Early involvement of the hippocampal formation is the biological basis of the typical learning deficit in Alzheimer's disease (AD).  ...  The aim of the study was to locate in vivo the structural changes within the hippocampal formation in AD patients of mild to moderate severity.  ...  for Research Resources (P50 AG016570, R21 EB01651, R21 RR019771 to P.T., and P41 RR13642 and U54 GM072978 to A.W.T.).  ... 
doi:10.1016/j.neuroimage.2006.03.015 pmid:16631382 fatcat:4o65oigidffllkfvweh62nl6sy

Cortical Hubs Revealed by Intrinsic Functional Connectivity: Mapping, Assessment of Stability, and Relation to Alzheimer's Disease

R. L. Buckner, J. Sepulcre, T. Talukdar, F. M. Krienen, H. Liu, T. Hedden, J. R. Andrews-Hanna, R. A. Sperling, K. A. Johnson
2009 Journal of Neuroscience  
To identify regions of high connectivity in the human cerebral cortex, we applied a computationally efficient approach to map the degree of intrinsic functional connectivity across the brain.  ...  These nexuses are intriguing because of their potential role in integration and also because they may augment metabolic cascades relevant to brain disease.  ...  Comparison of locations of hubs to A␤ deposition in early-stage Alzheimer's disease.  ... 
doi:10.1523/jneurosci.5062-08.2009 pmid:19211893 pmcid:PMC2750039 fatcat:iyvjhh62zndzblxhl5mj4sdxa4

Quantitative mapping of the brain's structural connectivity using diffusion MRI tractography: a review [article]

Fan Zhang, Alessandro Daducci, Yong He, Simona Schiavi, Caio Seguin, Robert Smith, Chun-Hung Yeh, Tengda Zhao, Lauren J. O'Donnell
2021 arXiv   pre-print
In this paper, we provide a high-level overview of how tractography is used to enable quantitative analysis of the brain's structural connectivity in health and disease.  ...  Over the last two decades, the study of brain connectivity using dMRI tractography has played a prominent role in the neuroimaging research landscape.  ...  CHY is grateful to the Ministry of Science and Technology of Taiwan (MOST 109-2222-E-182-001-MY3) for the support.  ... 
arXiv:2104.11644v1 fatcat:l3ixpcwu7jb7zcqo2sm5pswmja

The contribution of electrophysiology to functional connectivity mapping

Marieke L. Schölvinck, David A. Leopold, Matthew J. Brookes, Patrick H. Khader
2013 NeuroImage  
A powerful way to probe brain function is to assess the relationship between simultaneous changes in activity across different parts of the brain.  ...  In recent years, the temporal activity correlation between brain areas has frequently been taken as a measure of their functional connections.  ...  MLS is supported by a Human Frontiers Long-Term Fellowship; MJB is supported by a Leverhulme Trust Early Career Fellowship.  ... 
doi:10.1016/j.neuroimage.2013.04.010 pmid:23587686 pmcid:PMC4206447 fatcat:t6d777vsmvgqtf3lkg6is6m7ve

Brain Molecular Connectivity in Neurodegenerative Diseases: Recent Advances and New Perspectives Using Positron Emission Tomography

Arianna Sala, Daniela Perani
2019 Frontiers in Neuroscience  
Positron emission tomography (PET) represents a unique molecular tool to get in vivo access to a wide spectrum of biological and neuropathological processes, of crucial relevance for neurodegenerative  ...  Finally, we will highlight possible future perspectives in the field, with reference in particular to newly available PET tracers, which will expand the application of molecular connectivity to new, exciting  ...  (Malpetti et al., 2018) , suggesting a multi-factorial modulation of brain connectivity in Alzheimer's disease.  ... 
doi:10.3389/fnins.2019.00617 pmid:31258466 pmcid:PMC6587303 fatcat:r7ofmlabf5di3pjuxivbqvor2m

Decreased between-hemisphere connectivity strength and network efficiency in geriatric depression

Xuesong Li, David C. Steffens, Guy G. Potter, Hua Guo, Sen Song, Lihong Wang
2016 Human Brain Mapping  
Between-hemisphere connectivity and graph theoretical methods were used to analyze the data.  ...  To address these questions, we acquired diffusion tensor images in 24 RGD and 24 healthy participants. Among them, 10 patients and 19 healthy controls completed a 1-year follow up.  ...  Similar findings were found in a functional network study in depression and in a structural network study in MCI and Alzheimer's disease [Ajilore et al., 2014; Bai et al., 2012; Lo et al., 2010] .  ... 
doi:10.1002/hbm.23343 pmid:27503772 pmcid:PMC5899899 fatcat:xfehjiv54rdqzbrkzri3yrf2pe
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