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Reto Meuli

Cette personne a quitté l’EPFL

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Publications associées (80)

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Testing the variability of Diffusion Spectrum Imaging (DSI): Inter- and intra-site comparison on "identical" 3T scanners

Jean-Philippe Thiran, Reto Meuli, Alessandro Daducci, Gunnar Krüger, François Lazeyras, Alia Lemkaddem

Multi-center neuroimaging studies have more power than smaller ones to conduct sophisticated studies of basic neuroanatomy and clinical disorders. One important confound of combining images obtained from different scanners is the potential for scanner effe ...

2011

Comparison of accelerated T1-weighted whole-brain structural-imaging protocols

Jean-Philippe Thiran, Reto Meuli, Tobias Kober, Bénédicte Marie Maréchal, Alexis Roche, Pavel Falkovskiy

Imaging in neuroscience, clinical research and pharmaceutical trials often employs the 3D magnetisation-prepared rapid gradient-echo (MPRAGE) sequence to obtain structural T1-weighted images with high spatial resolution of the human brain. Typical research ...

Academic Press Inc Elsevier Science2016

Local landmark-based registration for fMRI group studies of nonprimary auditory cortex

Jean-Philippe Thiran, Reto Meuli, Dragana Viceic

Interindividual functional and structural brain variability is a major problem in group studies, in which very focal activations are expected. Architectonic studies have shown that the human primary auditory area, which is located with a great constancy on ...

2009

Who said fat is bad? Skull-stripping benefits from additional fat image

Tobias Kober, Reto Meuli, Gunnar Krüger, Delphine Ribes Lemay

Being a preliminary step for many clinical applications and analyses, accurate skull-stripping is a key challenge in MR brain imaging. One of its major difficulties arises from the contrast similarities at brain/non-brain tissue interfaces, in particular b ...

2011

The Connectome Mapper: an open-source processing pipeline to map connectomes with MRI

Jean-Philippe Thiran, Patric Hagmann, Alessandro Daducci, Alessandra Griffa, Reto Meuli, Leila Cammoun, Leila Faiza Ben Hamida Cammoun, Alia Lemkaddem, Xavier Gigandet

Researchers working in the field of global connectivity analysis using diffusion magnetic resonance imaging (MRI) can count on a wide selection of software packages for processing their data, with methods ranging from the reconstruction of the local intra- ...

Public Library of Science2012

The Structural Core of Human Cerebral Cortex and its relation to the brain s default network

Reto Meuli, Leila Cammoun, Xavier Gigandet, Leila Faiza Ben Hamida Cammoun

Human cerebral cortex contains an uncertain number of structurally segregated regions interconnected by a dense network of axonal pathways. Using DSI, we map these pathways in individual human subjects. An analysis of the resulting large-scale structural b ...

2008

Attenuated asymmetry of functional connectivity in schizophrenia: A high-resolution EEG study

Reto Meuli, Martin Hasler, Mahdi Jalili

The interhemispheric asymmetries that originate from connectivity-related structuring of the cortex are compromised in schizophrenia (SZ). Under the assumption that such abnormalities affect functional connectivity, we analyzed its correlate-EEG synchroniz ...

Wiley-Blackwell2010

On the reproducibility and anatomical correspondence of DSI tractography

Jean-Philippe Thiran, Reto Meuli, Patric Hagmann, Alessandro Daducci, Gunnar Krüger, Leila Cammoun, Cristina Granziera, Xavier Gigandet, Leila Faiza Ben Hamida Cammoun

Diffusion spectrum imaging (DSI) is increasingly explored in clinical research. The quantitative value of the DSI technique, however, has still to be established. In this context, a better understanding of the reproducibility and the anatomical corresponde ...

2010

Estimating the Confidence Level of White Matter Connections Obtained with MRI Tractography

Jean-Philippe Thiran, Patric Hagmann, Reto Meuli, Leila Cammoun, Xavier Gigandet, Leila Faiza Ben Hamida Cammoun, Maciej Kurant

Background Since the emergence of diffusion tensor imaging, a lot of work has been done to better understand the properties of diffusion MRI tractography. However, the validation of the reconstructed fiber connections remains problematic in many respects. ...

2008

A new early and automated MRI-based predictor of motor improvement after stroke

Jean-Philippe Thiran, Reto Meuli, Alessandro Daducci, Gunnar Krüger, Djalel Eddine Meskaldji, Cristina Granziera, Nouchine Hadjikhani, Alexis Roche, Richard Frackowiak

Objectives: In this study, we investigated the structural plasticity of the contralesional motor network in ischemic stroke patients using diffusion magnetic resonance imaging (MRI) and explored a model that combines a MRI-based metric of contralesional ne ...

2012

Deriving scalar maps from Diffusion Spectrum MRI

Jean-Philippe Thiran, Reto Meuli, Patric Hagmann, Leila Cammoun, Xavier Gigandet, Leila Faiza Ben Hamida Cammoun

Whole brain DSI acquisitions are now clinically feasible. It is therefore necessary to have scalar maps available in order to easily visualize summary statistics of the full 3D diffusion pdf available in every voxel. We show how to derive from DSI not only ...

IEEE2007

Localization of electrodes in the subthalamic nucleus on magnetic resonance imaging

Jean-Philippe Thiran, Reto Meuli

Object. The authors describe a new method of localizing electrodes on magnetic resonance (MR) images and focus on the positions of both the most efficient contact and the electrode related to the MR imaging target. Methods. Thirty-one patients who had unde ...

2007

Thalamic nuclei clustering on High Angular Resolution Diffusion Images

Jean-Philippe Thiran, Reto Meuli, Patric Hagmann, Leila Cammoun, Leila Faiza Ben Hamida Cammoun, Pascal Hagmann

Thalamic nuclei can be distinguished by their characteristic fiber orientations, which influence the diffusion. Fiber orientations are relatively aligned within a nucleus due to the fact that the cerebrocortical striations within a nucleus all target the s ...

2008

Fast and high-resolution myelin water imaging: Accelerating multi-echo GRASE with CAIPIRINHA

Jean-Philippe Thiran, Reto Meuli, Tobias Kober, Alessandro Daducci, Tom Hilbert, Erick Jorge Canales Rodriguez, Marco Pizzolato, Gian Franco Piredda

Purpose Although several MRI methods have been explored to achievein vivomyelin quantification, imaging the whole brain in clinically acceptable times and sufficiently high resolution remains challenging. To address this problem, this work investigates the ...

Wiley2021

Mapping the human connectome at multiple scales with diffusion spectrum MRI

Jean-Philippe Thiran, Reto Meuli, Patric Hagmann, Leila Cammoun, Xavier Gigandet, Leila Faiza Ben Hamida Cammoun

2009

Diffusion Spectrum Imaging Shows the Structural Basis of Functional Cerebellar Circuits in the Human Cerebellum In Vivo

Reto Meuli, Cristina Granziera, Nouchine Hadjikhani

Background: The cerebellum is a complex structure that can be affected by several congenital and acquired diseases leading to alteration of its function and neuronal circuits. Identifying the structural bases of cerebellar neuronal networks in humans in vi ...

2009

Connectome alterations in schizophrenia

Jean-Philippe Thiran, Reto Meuli, Patric Hagmann, Leila Cammoun, Xavier Gigandet, Leila Faiza Ben Hamida Cammoun, Pascal Hagmann

2009

Simulated Half-Fourier Acquisitions Single-shot Turbo Spin Echo (HASTE) of the Fetal Brain: Application to Super-Resolution Reconstruction

Tobias Kober, Meritxell Bach Cuadra, Patric Hagmann, Reto Meuli, Tom Hilbert, Thomas Yu

Accurate characterization of in utero human brain maturation is critical as it involves complex interconnected structural and functional processes that may influence health later in life. Magnetic resonance imaging is a powerful tool complementary to the u ...

SPRINGER INTERNATIONAL PUBLISHING AG2021

Human auditory belt areas specialized in sound recognition: a functional magnetic resonance imaging study

Jean-Philippe Thiran, Reto Meuli, Dragana Viceic

The human primary auditory cortex is surrounded by at least six other, anatomically distinct areas that process auditory information. We have investigated their specialization with respect to sound recognition or sound localization with triple epoch functi ...

2006

Alpha rhythm and hypofrontality in schizophrenia

Reto Meuli, Martin Hasler, Oscar De Feo, Mahdi Jalili

2008