Advanced Neuroimaging Techniques and Applications

Development of the visual white matter pathways mediates development of electrophysiological responses in visual cortex

The paper shows that maturation of optic radiations in childhood influences the speed and amplitude of visual cortex responses to high contrast stimuli.

Ventral Intermediate Nucleus structural connectivity-derived segmentation: anatomical reliability and variability

This study evaluates parcellation pipelines for identifying the ventral intermediate nucleus (Vim) using tractography, finding that higher-order modeling and threshold-based classification yield the most reliable results despite inter-subject variability.

In vivo Restricted-Diffusion Imaging (RDI) is sensitive to differences in axonal density in typical children and adults

This study shows that RDI accurately maps axonal density in adults and children compared to other diffusion imaging methods.

Tractography dissection variability: what happens when 42 groups dissect 14 white matter bundles on the same dataset?

This study evaluates variability in white matter bundle segmentation across 42 groups using the same dataset, finding protocol variability exceeds other sources of inconsistency.

Modelling cortical laminar connectivity in the macaque brain

The paper models laminar connectivity in the macaque brain using MRI data and validates it against historical findings with 83% accuracy.

Soma and Neurite Density MRI (SANDI) of the in-vivo mouse brain

The paper introduces SANDI, a diffusion MRI method for characterizing cellular and neurite densities in mouse brains, showing strong correlation with the Allen brain atlas.

Reducing susceptibility distortion related image blurring in diffusion MRI EPI data

This study improves susceptibility distortion correction in diffusion MRI data using a new pipeline, enhancing g-ratio mapping accuracy.

Fiber tractography bundle segmentation depends on scanner effects, vendor effects, acquisition resolution, diffusion sampling scheme, diffusion sensitization, and bundle segmentation workflow

This study evaluates how scanner, vendor, resolution, diffusion scheme, and segmentation workflow variations affect diffusion tractography bundle segmentation results.

Neurobiological underpinnings of rapid white matter plasticity during intensive reading instruction

The paper examines changes in white matter properties during reading instruction using diffusion MRI and T1 relaxation measurements, finding that diffusion changes may not reflect myelin density changes.

Changes in regional white matter volumetry and microstructure during the post-adolescence period: a cross-sectional study of a cohort of 1,713 university students

This study examines regional changes in white matter volume and microstructure in young adults using MRI data from 1,713 university students, revealing age-related variations in microstructural properties.

High-fidelity, high-spatial-resolution diffusion MRI of the ex-vivo whole human brain on the 3T Connectom scanner using structured low-rank EPI ghost correction

This paper introduces a structured low-rank matrix modeling method to correct ghosting in ex vivo dMRI, improving accuracy and reliability of diffusion metrics.

The MRi-Share database: brain imaging in a cross-sectional cohort of 1,870 university students

The paper introduces the MRi-Share database, a multi-modal brain MRI dataset of 1,870 young adults, and presents preliminary findings on age and sex associations with brain phenotypes.

Diffusional Kurtosis Imaging in the Diffusion Imaging in Python Project

This paper implements Diffusional Kurtosis Imaging (DKI) in the DIPY project, demonstrating its utility for microstructural analysis and tractography in brain imaging.

DIffusion-Prepared Phase Imaging (DIPPI): quantifying myelin in crossing fibres

This paper introduces DIPPI, a new MRI technique that estimates the g-ratio per fibre population in crossing voxels, improving myelin quantification in complex white matter regions.

Computing the Orientational-Average of Diffusion-Weighted MRI Signals: A Comparison of Different Techniques

The paper compares methods for computing orientationally-averaged diffusion-weighted MRI signals, finding that MAP-MRI provides better accuracy under low SNR and sparse sampling.

On the generalizability of diffusion MRI signal representations across acquisition parameters, sequences and tissue types: chronicles of the MEMENTO challenge.

DACO: Distortion/artefact correction for diffusion MRI data in an integrated framework

DACO corrects diffusion MRI artefacts using a registration-based framework that integrates multiple distortion types, improving accuracy with clinical MRI data.

An Age-Specific Atlas for Delineation of White Matter Pathways in Children Aged 6-8 Years

This paper develops an age-specific probabilistic white matter atlas for children aged 6-8 years, showing improved accuracy in diffusion metrics compared to adult templates and revealing FA reductions in treated children.

On the topochronic map of the human brain dynamics

The paper introduces a method to estimate functional transmission delays in the brain using in vivo measurements and structural connectome data, showing that larger bundles have faster velocities and delays are greater in multiple sclerosis patients.

Multidimensional analysis and detection of informative features in diffusion MRI measurements of human white matter

This paper introduces a sparse group lasso method to analyze diffusion MRI data, identifying informative white matter features for ALS classification and brain age prediction.

Multivariate genome-wide association study on tissue-sensitive diffusion metrics identifies key molecular pathways for axonal growth, synaptogenesis, and astrocyte-mediated neuroinflammation

This study uses multivariate GWAS on diffusion imaging data from two large datasets to identify 503 genetic loci affecting brain tissue composition and uncover molecular pathways related to axonal growth, synaptogenesis, and neuroinflammation.

Common genetic variation influencing human white matter microstructure

This study identifies common genetic variants influencing white matter microstructure using dMRI data from 42,919 individuals, revealing genetic links to neuropsychiatric disorders and other traits.

Multi-channel 4D parametrized Atlas of Macro- and Microstructural Neonatal Brain Development

This paper develops a multi-channel 4D atlas of neonatal brain development combining structural and diffusion MRI data, showing microstructural differences between term and preterm infants.

Effects of Inaccurate Response Function Calibration on Characteristics of the Fiber Orientation Distribution in Diffusion MRI

This study investigates how inaccuracies in response function calibration affect fiber orientation distribution (FOD) characteristics and fiber tracking in diffusion MRI.

Characterizing white matter alterations in drug-naïve de novo Parkinsons disease with diffusion MRI

This study uses diffusion MRI to analyze white matter changes in early Parkinson's disease, finding asymmetrical integrity alterations linked to symptom onset side.

Multi-modal imaging of a single postmortem mouse brain over five orders of magnitude of resolution

The paper images a single postmortem mouse brain across five orders of spatial resolution using multiple imaging modalities to study multi-scale brain organization and pathologies.

Spatially heterogeneous microstructural development within subcortical regions from 9-13 years

The paper uses RSI to analyze diffusion patterns in subcortical regions of children aged 9-13, finding age-related changes in restricted diffusion metrics across different brain areas.

Reduced frontal white matter microstructure in healthy older adults with low tactile recognition performance

The paper finds reduced frontal white matter microstructure in older adults with poor tactile recognition performance, linking it to cognitive impairments.

Conductance-Based Structural Brain Connectivity in Aging and Dementia

This paper quantifies structural brain connectivity using diffusion MRI in aging and dementia, finding age-related trends and regional effects that suggest potential for age prediction and studying structural connections.

THE COMPLEX HODOLOGICAL ARCHITECTURE OF THE MACAQUE DORSAL INTRAPARIETAL AREAS AS EMERGING FROM NEURAL TRACERS AND DW-MRI TRACTOGRAPHY

The paper uses neural tracers and DW-MRI tractography to map the complex connectivity of macaque dorsal intraparietal areas, revealing distinct subregions with specific projection patterns.