Advanced Neuroimaging Techniques and Applications

Grey matter volume changes and corresponding cellular metrics identified in a longitudinal in vivo imaging approach

The paper correlates grey matter volume changes with cellular metrics in mice using MRI and in vivo imaging.

Collegiate athlete brain data for white matter mapping and network neuroscience

The paper shares a dataset of diffusion MRI data and derivatives from collegiate athletes and non-athletes to study the effects of long-term athletic exposure on brain structure.

Elucidating the complex organization of neural micro-domains in the locust Schistocerca gregaria using dMRI

This paper uses dMRI to study neural micro-domains in the locust Schistocerca gregaria, identifying anatomical regions and connectivity patterns.

Redundancy Circuits of the Commissural Pathways in Human and Rhesus Macaque Brains

The paper identifies and compares three redundancy circuits in commissural pathways between human and rhesus macaque brains, finding reduced volumes in humans that support a redundancy-efficiency tradeoff.

A New Framework for MR Diffusion Tensor Distribution

This paper introduces a new framework to measure intravoxel diffusion heterogeneity and anisotropy using a constrained normal tensor-variate distribution and Monte Carlo simulations.

Four-dimensional tractography animates neural propagations via distinct interhemispheric pathways

This paper introduces a method to visualize neural propagation dynamics via interhemispheric pathways using four-dimensional tractography.

Can MRI measure myelin? Systematic review, qualitative assessment, and meta-analysis of studies validating microstructural imaging with myelin histology

This paper reviews and analyzes MRI markers for myelin measurement, finding correlations with histology but noting methodological limitations.

Multi-Tissue Multi-Compartment models of diffusion MRI

This paper introduces a multi-tissue multi-compartment model for diffusion MRI using single-TE acquisitions, enabling analysis of previously acquired datasets.

Overlooked tertiary sulci serve as a meso-scale link between microstructural and functional properties of human lateral prefrontal cortex

The paper identifies tertiary sulci in human lateral prefrontal cortex as meso-scale links between microstructural and functional properties, and shares probabilistic maps for these structures.

Age-related differences in white matter: Understanding tensor-based results using fixel-based analysis

This study uses fixel-based analysis to examine age-related white matter differences in older and younger adults, revealing specific microstructural changes associated with aging.

Myelin development in visual scene-network tracts beyond late childhood: A multimethod neuroimaging study

This study investigates myelination in scene-network tracts across age groups using multimodal neuroimaging and finds increasing myelin from middle childhood to adulthood in specific regions.

Multimodal imaging brain markers in early adolescence are linked with a physically active lifestyle

The paper links multimodal brain imaging markers in adolescents with physical activity and health measures using canonical correlation analysis.

Toward Optimized and Predictive Connectomics at Scale

This paper shows that reducing tractography streamlines by two orders of magnitude does not significantly impact connectome identifiability, suggesting computational optimizations are feasible.

Tractography-Pathology Correlations in Traumatic Brain Injury: A TRACK-TBI Study

This study uses ex vivo diffusion MRI and histopathology to correlate tract disruptions with axonal injury in a TBI patient.

In vivo super-resolution track-density imaging for thalamic nuclei identification

This paper introduces a novel imaging protocol using short-tracks track-density imaging to identify thalamic nuclei in vivo with high reliability.

The relationship between hippocampal-dependent task performance and hippocampal grey matter myelination and iron content

This study investigates whether hippocampal grey matter myelination or iron content correlates with hippocampal-dependent task performance in young adults, finding no significant associations.

The R1-weighted connectome: complementing brain networks with a myelin-sensitive measure

The paper introduces an R1-weighted connectome to complement traditional connectomes by incorporating myelin-sensitive MRI data, revealing differences in modular organization and functional gradients.

Stick Stippling for Joint 3D Visualization of Diffusion MRI Fiber Orientations and Density

This paper introduces a stick stippling method for visualizing diffusion MRI fiber orientations and density, improving legibility and reducing clutter through 3D tube rendering and jittering techniques.

A whole-cortex probabilistic diffusion tractography connectome

This paper presents a full-cortex connectome derived from probabilistic diffusion tractography, organized into the HCP-MMP1.0 atlas, and compares it to resting-state fMRI and evoked potential connectivity matrices.

Repeatability of soma and neurite metrics incortical and subcortical grey matter

This study assesses the repeatability of soma and neurite metrics in grey matter using diffusion MRI across five scans of six healthy adults, finding high reliability in key measures.

A comprehensive atlas of white matter tracts in the chimpanzee

This paper creates the first chimpanzee white matter atlas using diffusion MRI tractography, enabling comparative neuroanatomical studies between humans and chimpanzees.

Modelling white matter in gyral blades as a continuous vector field

This paper introduces an algorithm to reduce tractography biases in white matter by modeling fibre density and orientation as a divergence-free vector field, improving cross-modal agreement with functional connectomes.

MaPPeRTrac: A Massively Parallel, Portable, and Reproducible Tractography Pipeline

MaPPeRTrac streamlines and accelerates large-scale diffusion MRI tractography by automating the pipeline and leveraging HPC resources.

Diffusion-MRI-based regional cortical microstructure at birth for predicting neurodevelopmental outcomes at 2-year-olds

The paper uses diffusion MRI to predict 2-year-old neurodevelopmental outcomes from neonate cortical microstructure using support vector regression.

Axon morphology is modulated by the local environment and impacts the non-invasive investigation of its structure-function relationship

The paper shows that axon morphology is influenced by the local environment and affects diffusion MRI estimates of axon diameter and structure-function relationships.

Distributional changes in myelin-specific MRI markers uncover dynamics in the fornix following spatial navigation training

This study uses multiple MRI techniques to analyze microstructural changes in white matter tracts after spatial navigation training in rats, finding significant distributional changes in myelin-specific measures.

Reproducible correlations of corpus callosum and cingulum generalized fractional anisotropy with anxiety ratings in healthy participants

The paper correlates generalized fractional anisotropy in white matter tracts with anxiety scores in healthy participants, finding reproducible associations in corpus callosum and cingulum.

A time-course study of actively stained mouse brains: DTI parameter and connectomic stability over one year

This study examines DTI parameters and connectomic stability in fixed mouse brains over one year, finding that most metrics stabilize within two weeks of fixation.

U-shape short-range extrinsic connectivity organisation around the human central sulcus

This study maps U-shape short-range connectivity around the human central sulcus using diffusion MRI and finds a link between fibre bundle positions and handedness.

Processing the diffusion-weighted magnetic resonance imaging of the PING dataset

This paper processes diffusion-weighted MRI data from the PING dataset to improve connectomic analysis through advanced diffusion metrics and multimodal integration.