Filters








179 Hits in 8.1 sec

001 058 002 059 003 060 004 061 005 062 006 063 007 064 008 065 009 066 010 067 011 068 012 069 013 070 014 071 015 072 016 073 017 074 018 075 019 076 020 077 021 078 022 079 023 080 024 081 025 082 026 083 027 084 028 085 029 086 030 087 031 088 032 089 033 090 034 091 035 092 036 093 037 094 038 095 039 096 040 097 041 098 042 099 043 100 044 101 045 102 046 103 047 104 048 105 049 106 050 107 051 108 052 109 053 110 054 111 055 112 056 113 057 114 NEUROINFORMATICS METHODS ARTICLE published: xx November ...

Pedro Antonio Valdés-Hernández
2011 Frontiers in Neuroinformatics  
In this paper we present a new in vivo rat T 2 MRI template set, comprising average images of both intensity and shape, obtained via non-linear registration.  ...  Also, unlike previous rat template sets, we include white and gray matter probabilistic segmentations, expanding its use to those applications demanding prior-based tissue segmentation, e.g., statistical  ...  "The neuro architectonic determinants of EEG recordings" and by the JSPS Grants-in-Aid (B) 18320062.  ... 
doi:10.3389/fninf.2011.00026 pmid:22275894 pmcid:PMC3254174 fatcat:f273ojw2rrfxpogwy5s7bgixde

The SIGMA rat brain templates and atlases for multimodal MRI data analysis and visualization

D. A. Barrière, R. Magalhães, A. Novais, P. Marques, E. Selingue, F. Geffroy, F. Marques, J. Cerqueira, J. C. Sousa, F. Boumezbeur, M. Bottlaender, T. M. Jay (+3 others)
2019 Nature Communications  
Finally, we propose a complete set of preclinical MRI reference resources, compatible with common neuroimaging software, for the investigation of rat brain structures and functions.  ...  Here, we present two rat brain MRI templates and their associated gray matter, white matter and cerebrospinal fluid probability maps, generated from ex vivo [Formula: see text]-weighted images (90 µm isotropic  ...  By so doing we are able to provide a comprehensive and detailed atlas of the rat brain for MRI morphometry and segmentation.  ... 
doi:10.1038/s41467-019-13575-7 pmid:31836716 pmcid:PMC6911097 fatcat:5m536v5tcrd6dc2u2ixwxmn5z4

Advantages and Challenges of Small Animal Magnetic Resonance Imaging as a Translational Tool

Carolin Hoyer, Natalia Gass, Wolfgang Weber-Fahr, Alexander Sartorius
2014 Neuropsychobiology  
In this review, we discuss advantages and challenges of animal MRI and provide an overview of the major structural (voxel-based morphometry and diffusion tensor imaging) and functional approaches [resting-state  ...  functional MRI (rs-fMRI), MR spectroscopy (MRS), regional cerebral blood volume measurement and arterial spin labelling] that are applied in animal MRI research.  ...  Figure 3 depicts the steps required for the creation of a group template for segmentation and subsequent individual segmentation and statistics.  ... 
doi:10.1159/000360859 pmid:24863537 fatcat:belz7e6dx5eyzorm7igkfdxg2u

A collaborative resource platform for non-human primate neuroimaging [article]

Adam Messinger, Nikoloz Sirmpilatze, Katja Heuer, Kep Kee Loh, Rogier Mars, Julien Sein, Ting Xu, Daniel Glen, Benjamin Jung, Jakob Seidlitz, Paul Taylor, Roberto Toro (+20 others)
2020 biorxiv/medrxiv   pre-print
Resources that were primarily developed for human neuroimaging often need to be significantly adapted for use with NHPs or other animals, which has led to an abundance of custom, in-house solutions.  ...  In recent years, the global NHP neuroimaging community has made significant efforts to transform the field towards more open and collaborative practices.  ...  Acknowledgements We would like to thank Patrick Markwalter for assistance with compiling references, editing and formatting.  ... 
doi:10.1101/2020.07.31.230185 fatcat:6vpogby2ezhu3jgxnpjlkbt3ai

A collaborative resource platform for non-human primate neuroimaging

Adam Messinger, Nikoloz Sirmpilatze, Katja Heuer, Kep Kee Loh, Rogier B. Mars, Julien Sein, Ting Xu, Daniel Glen, Benjamin Jung, Jakob Seidlitz, Paul Taylor, Roberto Toro (+20 others)
2021 NeuroImage  
Resources that were primarily developed for human neuroimaging often need to be significantly adapted for use with NHPs or other animals, which has led to an abundance of custom, in-house solutions.  ...  In recent years, the global NHP neuroimaging community has made significant efforts to transform the field towards more open and collaborative practices.  ...  Acknowledgements We would like to thank Patrick Markwalter for assistance with compiling references, editing and formatting.  ... 
doi:10.1016/j.neuroimage.2020.117519 pmid:33227425 pmcid:PMC9272762 fatcat:67ng3nt3uvbg3l4n4prlshuuwi

Functional Magnetic Resonance Imaging of Rats with Experimental Autoimmune Encephalomyelitis Reveals Brain Cortex Remodeling

S. Tambalo, L. Peruzzotti-Jametti, R. Rigolio, S. Fiorini, P. Bontempi, G. Mallucci, B. Balzarotti, P. Marmiroli, A. Sbarbati, G. Cavaletti, S. Pluchino, P. Marzola
2015 Journal of Neuroscience  
Morphological and functional MRI (fMRI) were performed before disease induction and during the relapsing and chronic phases of EAE.  ...  Voxel-based morphometry demonstrated gray matter (GM) atrophy in the cerebral cortex, and both GM and white matter atrophy were assessed by ex vivo pathology of the sensorimotor cortex and corpus callosum  ...  Given the lack of information on the probability distribution of different tissue classes in the rat brain, the images were segmented using an intensity-based tissue classification kernel.  ... 
doi:10.1523/jneurosci.0540-15.2015 pmid:26157006 pmcid:PMC4495237 fatcat:jqsxlizsofazhmxazzjqstz6xi

Structural and functional alterations in the retrosplenial cortex following neuropathic pain

David André Barrière, Al Mahdy Hamieh, Ricardo Magalhães, Amidou Traoré, Julie Barbier, Jean-Marie Bonny, Denis Ardid, Jérôme Busserolles, Sébastien Mériaux, Fabien Marchand
2019 Pain  
In addition, we found that the functional RSgA connectivity to the subiculum and the prelimbic system are significantly increased in spared nerve injury animals and correlated with peripheral pain thresholds  ...  In this article, we conducted a longitudinal and multimodal study to assess how chronic pain affects the brain.  ...  Rat brain template and atlas Anatomical images were segmented and co-registered to an inhouse anatomical rat brain template and its corresponding atlas previously used in. 42 Our high-resolution template  ... 
doi:10.1097/j.pain.0000000000001610 pmid:31145220 fatcat:6g3hlk4zrrawhpubpbvsnhxywq

Front Matter: Volume 9784

2016 Medical Imaging 2016: Image Processing  
Contour tracking and probabilistic segmentation of tissue phase mapping MRI [9784-3] 9784 05 Automatic detection of cardiovascular risk in CT attenuation correction maps in Rb-82 PET/CTs [9784-4] 9784  ...  06 Combining the boundary shift integral and tensor-based morphometry for brain atrophy estimation [9784-5] SESSION 2 KEYNOTE AND DIFFUSION MRI 9784 07 Image-processing pipelines: applications in magnetic  ...  of perceived emotional facial expressions: an event-related fMRI study [9784-64] 9784 1U Template-based automatic extraction of the joint space of foot bones from CT scan [9784-65] 9784 1V Tissue  ... 
doi:10.1117/12.2240619 fatcat:kot6cogf4rf6dcjhkzdrr5gahi

Magnetic resonance imaging of mouse brain networks plasticity following motor learning

Alexandra Badea, Kwan L. Ng, Robert J. Anderson, Jiangyang Zhang, Michael I. Miller, Richard J. O'Brien, Jessica Dubois
2019 PLoS ONE  
We aimed to detect plasticity following learning of a unilateral reaching movement, and relied on MRI performed with a rapid structural protocol suitable for in vivo brain imaging, and a longer diffusion  ...  In vivo MRI detected contralateral volume increases in trained animals (reachers), in circuits involved in motor control, sensory processing, and importantly, learning and memory.  ...  Acknowledgments We are grateful to James Cook and Lucy Upchurch for software and hardware support, and to Tatiana Johnson for editorial assistance.  ... 
doi:10.1371/journal.pone.0216596 pmid:31067263 pmcid:PMC6505950 fatcat:bapchpaq45hqxlfh64urrgrviy

Functional but not structural changes associated with learning: An exploration of longitudinal Voxel-Based Morphometry (VBM)

Adam G. Thomas, Sean Marrett, Ziad S. Saad, Douglas A. Ruff, Alex Martin, Peter A. Bandettini
2009 NeuroImage  
Voxel-Based Morphometry (VBM) has been used for several years to study differences in brain structure between populations.  ...  In the present study we use fMRI and three different standard implementations of longitudinal VBM: SPM2, FSL, and SPM5 to assess functional and structural changes associated with a simple learning task  ...  The authors would like to acknowledge comments and assistance from Rasmus Birn, Gang Chen, Dan Handwerker, David McMahon, Kevin Murphy, Allison Nugent, and Regina Nuzzo.  ... 
doi:10.1016/j.neuroimage.2009.05.097 pmid:19520171 pmcid:PMC2981435 fatcat:l75v5sbk6rb5veoskxvcpwogvq

Brain grey matter volume reduction and anxiety-like behavior in lipopolysaccharide-induced chronic pulmonary inflammation rats: A structural MRI study with histological validation

Ji Chen, Ya Yan, Fengjuan Yuan, Jianbo Cao, Shanhua Li, Simon B. Eickhoff, Jiaxing Zhang
2019 Brain, behavior, and immunity  
Specifically, in-vivo T2-weighted MRI was performed on rats with lipopolysaccharide (LPS)-induced chronic pulmonary inflammation (CPI) and those without.  ...  Brain grey matter volume reduction and anxiety-like behavior in lipopolysaccharide-induced chronic pulmonary inflammation rats: A structural MRI study with histological validation, Brain, Behavior, and  ...  The whole process of DARTEL consists of 6 rounds and 18 in total iterations, generating 6 sets of tissue probability templates and flow field files for each rat brain.  ... 
doi:10.1016/j.bbi.2018.11.020 pmid:30472482 fatcat:3q2c5y3ajjdq3nlostia6oplcu

The Aged Striatum: Evidence of Molecular and Structural Changes Using a Longitudinal Multimodal Approach in Mice

Bruno Lima Giacobbo, Özgün Özalay, Tomas Mediavilla, Madelene Ericsson, Jan Axelsson, Anna Rieckmann, Fahad Sultan, Daniel Marcellino
2022 Frontiers in Aging Neuroscience  
PET and sMRI data were analyzed by binding potential (BPND), voxel- and tensor-based morphometry (VBM and TBM, respectively).  ...  Although contrary to expectations, this increase in modulated GM density may be attributed to an age-related increase in non-neuronal cells.  ...  Morphological maturation of the mouse brain: An in vivo MRI and histology investigation.  ... 
doi:10.3389/fnagi.2022.795132 pmid:35140600 pmcid:PMC8818755 fatcat:gnbdax7nibdolev4jpgbqbfpv4

MRI Techniques and New Animal Models for Imaging the Brain [chapter]

Elodie Chaillou, Yves Tillet, Frdric Andersso
2012 When Things Go Wrong - Diseases and Disorders of the Human Brain  
www.intechopen.com When Things Go Wrong -Diseases and Disorders of the Human Brain 208 MRI techniques MRI is a non-invasive and in vivo technique, both essential features for biomedical research.  ...  The BOLD effect is due to a local variation of desoxyhemoglobin concentration (acting as an endogenous contrast agent) which induces a T2* modification and a variation of the MR signal. fMRI uses EPI sequences  ...  MRI Techniques and New Animal Models for Imaging the Brain, When Things Go Wrong -Diseases and Disorders of the Human Brain, Dr.  ... 
doi:10.5772/35834 fatcat:hqdqiirinvbaraxafxbazxg2gu

Hippocampal gray matter reduction associates with memory deficits in adolescents with history of prematurity

Mónica Giménez, Carme Junqué, Ana Narberhaus, Xavier Caldú, Pilar Salgado-Pineda, Núria Bargalló, Dolors Segarra, Francesc Botet
2004 NeuroImage  
Our results suggest that left hippocampal tissue loss may be responsible for memory impairment and is probably related to the learning disabilities that HP subjects present during schooling. D  ...  Using optimized voxel-based morphometry (VBM), we compared the relationship between hippocampal and thalamic gray matter loss and memory impairment in 22 adolescents with history of prematurity (HP) and  ...  Narberhaus, and the grant AP2002-0737 (Ministerio de Educación, Cultura y Deporte) to M.  ... 
doi:10.1016/j.neuroimage.2004.07.029 pmid:15528087 fatcat:aw5r2uue2jaxbnevu5c6qo5gjm

Neuroimaging in the Epileptic Baboon

C. Akos Szabo, Felipe S. Salinas
2022 Frontiers in Veterinary Science  
Based upon its phylogenetic proximity and similar brain anatomy to humans, the epileptic baboon provides an excellent translational model.  ...  Characterization of baboon model of genetic generalized epilepsy (GGE) is driven both electroclinically and by successful adoption of neuroimaging platforms, such as magnetic resonance imaging (MRI) and  ...  with an in-vivo acquired MRI (24) ; this approach could link research relying on post-mortem microscopic material analysis with applications using in-vivo macroscopic imaging analysis.  ... 
doi:10.3389/fvets.2022.908801 pmid:35909685 pmcid:PMC9330034 fatcat:jgppwq4ee5c6pbqgddzddjc7se
« Previous Showing results 1 — 15 out of 179 results