Advanced Neuroimaging Techniques and Applications

White matter conduction in the human brain is mostly slow, with rare high velocity connections

The paper measures conduction velocities in human white matter bundles using dMRI tractography and intracranial stimulation, finding high variability and a predominance of slow connections.

Mapping corpus callosum architecture: developmental, genetic, and cognitive correlates in youth

This study characterizes spatial variation in corpus callosum structure and its developmental, genetic, and cognitive correlates using multimodal data from youth.

From whole-slide histology to ADC maps: Fast diffusion MRI simulation with neural operators

The paper introduces a neural operator framework to accelerate diffusion MRI simulation from histology, achieving high accuracy and speed for large-scale tissue modeling.

General cognitive function and the brain's structural connectome

The paper shows that general cognitive function is supported by a widespread white matter network across multiple brain regions and connectivity measures.

Brain Structure-Function Association as a Compensatory Factor in Cognitive Aging

The paper investigates how age-related changes in brain structure and function interact to affect cognitive performance in older adults.

Validation of diffusion and exchange imaging biomarkers via simultaneous real-time NMR and optical microscopy

The paper validates diffusion and exchange imaging biomarkers using real-time NMR and optical microscopy in ex vivo neural tissue during perturbations.

Comparative Systematic Analysis of Gray Matter BiophysicalModels on a Public Dataset

The paper compares four gray matter biophysical models on a public dataset, finding consistent parameter estimates and highlighting trade-offs in model complexity and robustness.

Functional projection of cognitive functions through the human corpus callosum

The paper maps cognitive function involvement in the human corpus callosum using structural connectivity and Neurosynth meta-analyses to identify domain-specific regions.

Comparing Harmonization Approaches for Protocol-Related Variability in Multisite Diffusion MRI Data

The paper compares three harmonization methods for multisite diffusion MRI data to reduce protocol-related variability while preserving associations with cognitive impairment and PET biomarkers.

Automated Surface-Based Segmentation of Deep Gray Matter Regions Based on Diffusion Tensor Images Reveals Unique Age Trajectories Over the Healthy Lifespan

This paper introduces an automated DTI-only segmentation method for deep gray matter regions, revealing distinct age-related changes in volume, FA, and MD that differ from volumetric trajectories.

A spatially resolved genomic molecular atlas of human white-matter microstructure

This paper maps genetic, proteomic, and metabolomic effects along human white-matter tracts using UK Biobank data, revealing localized associations with neurodegenerative and psychiatric traits.

Neonatal brain-age models in full- and preterm infants

This paper develops brain-age models using diffusion MRI data from full- and preterm infants, showing accurate age prediction but limited sensitivity to clinical complications.

Mosaic evolution of avian brain compartments revealed by comparative MRI

This paper presents a comparative MRI resource and analysis of 16 avian species, revealing mosaic brain evolution with region-specific structural and connectivity differences.

Nucleus-level thalamic organization anchors multimodal signatures of thalamocortical maturation

The paper examines thalamocortical maturation by analyzing FA changes and functional connectivity in 10 thalamic nuclei across childhood and adolescence.

From Brain Microstructure to Dynamics: Linking Grey and White Matter Architecture to Propagation Delays

This study links brain microstructure to neural dynamics by showing that white and grey matter properties significantly correlate with propagation delays measured via MEG.

Genetic architecture of the limbic white matter microstructure in aging and Alzheimer's Disease.

This study identifies genetic loci and pathways associated with limbic white matter microstructure in aging and Alzheimer's Disease using multi-cohort diffusion MRI and bulk RNA-seq data.

Learning sculpts microstructure in real time: evidence from dense temporal sampling of diffusion MRI

This study uses dense diffusion MRI sampling to show that learning induces microstructural changes in the brain, specifically in the left middle occipital/temporal gyrus, during and after a memory task.

Restriction-weighted q-space trajectory imaging (ResQ): Toward mapping diffusion time effects with tensor-valued diffusion encoding in human prostate cancer xenografts

This paper introduces ResQ, a framework for mapping diffusion time effects in prostate cancer xenografts using tensor-valued diffusion encoding, showing improved parameter accuracy compared to traditional methods.

Replicability of multivariate brain-behaviour associations depends on clinical profile

The paper investigates how sample size and cohort composition affect the replicability of brain-behaviour associations using Canonical Correlation Analysis on UK Biobank data.

Optimization of Gadolinium-Based Contrast Agent Protocols for Reliable Ex Vivo Diffusion-Weighted Imaging in the Avian Brain

This paper optimizes gadolinium-based contrast agent protocols for ex vivo DWI in avian brains, finding that rehydration-based exposure achieves stable relaxation parameters and DWI compatibility.

MaxEnt-DTD: Maximum-Entropy Estimation of Diffusion Tensor Distribution for Fiber Orientation and Microstructure Characterization

MaxEnt-DTD estimates diffusion tensor distributions from dMRI data, providing reliable joint fiber-orientation and microstructure analysis.

Microscopy-informed structural connectivity mapping in the in vivohuman brain via domain adaptation

This paper develops a deep learning model using domain adaptation to predict high-resolution fibre orientations from diffusion MRI, informed by microscopy data, improving connectivity mapping in human brains.

Connectional neuroanatomy of U-fibers in the rhesus monkey brain

This study systematically evaluates U-fiber organization in the rhesus monkey brain using tract tracing, revealing sulcus-dependent prevalence and diverse trajectories, challenging the notion of a uniform U-fiber system.

Distinct associations between thalamo-amygdala pathways and state anxiety

The paper examines thalamo-amygdala pathways in humans and finds that fiber density in specific pathways predicts state anxiety, with distinct associations across different subnuclei.

Contralesional grey matter volume as an index of macrostructural plasticity in patients with brain tumors

This study shows brain tumors cause structural changes in the opposite hemisphere, detected via PCA and linked to cognitive performance.

Efficient ageing: Simulated lesion of the structural connectome reveals optimised decline in the healthy ageing brain

The paper simulates lesions in age-sensitive white-matter regions to show that healthy ageing involves a selective reconfiguration of structural connectivity rather than uniform decline.

Relative Hemodynamic Timing in Human White Matter

This study quantifies relative hemodynamic timing in white matter using Local Propagation Mapping and finds age-related changes in lag patterns associated with cognitive performance.

HARP: Hierarchical Anatomical Refinement of Pathways for Whole-Brain Tractography

HARP improves diffusion MRI tractography by integrating hierarchical anatomical constraints, reducing implausible streamlines by up to 9%.

Chenonceau: mesoscopic MRI deep phenotyping of a post-mortem human brain at 7 and 11.7 Tesla

Chenonceau provides a high-resolution mesoscopic MRI atlas of a post-mortem human brain, integrating connectome, cortical lamination, and microarchitecture data.

Physical activity promotes longitudinal white matter brain adaptations that support fluid intelligence with age

This study examines how physical activity influences white matter brain adaptations linked to fluid intelligence in aging, using longitudinal MRI data from the Human Connectome Project.