ALI RAZA KHAN

Mapping the topographic organization of the human zona incerta using diffusion MRI

This study maps the topographic organization of the human zona incerta using diffusion MRI and connectivity analysis, revealing gradients and clusters linked to specific cortical regions and functions.

Phosphorylated -Synuclein shapes changes in brain structure, task-related activity and functional connectivity in M83 mice

This study shows that pS129 accumulation in M83 mice leads to structural atrophy, reduced functional connectivity, and hypoactivation in somatosensory areas.

Hippocampal subfield macrostructure and myelination demonstrate distinct maturational signatures

The paper quantifies hippocampal subfield volumes and myelin-sensitive tissue concentrations in children and adolescents, finding distinct developmental trajectories and sex-specific patterns.

AFIDs-Validator: An Open-Access AI-Guided Platform for Learning Anatomical Landmark Placement

Open browser platform embeds a language-model neuroanatomy tutor in an MRI viewer and scores landmark placements against 21 expert-annotated templates using trained-rater error distributions.

A surface-intrinsic framework for topology-preserving hippocampal alignment and precision morphometry

This paper introduces a surface-intrinsic framework for hippocampal unfolding that improves alignment accuracy and morphology preservation compared to volumetric methods.

An anatomically distinct dopaminergic cell population of the zona incerta as evidence for the human A13 nucleus

The paper identifies a human zona incerta subregion with characteristics of the rodent A13 nucleus using MRI and histology.

Hippocampal grey matter changes across scales in Alzheimer's Disease

This study examines hippocampal macrostructure and microstructure changes in Alzheimer's Disease and MCI compared to healthy controls using ADNI data.

Multiplexed BOLD oscillations reveal the interplay of normalization and attention

This study uses frequency-tagged fMRI to show that visual cortical responses are suppressed during inattention and enhanced during attention, supporting the normalization model of attention.

Accurate spatial localization of Allen Human Brain Atlas gene expression data for human neuroimaging

This paper identifies inaccuracies in existing spatial coordinates for the Allen Human Brain Atlas and provides a refined coordinate set to improve gene expression integration with neuroimaging data.

Gauge equivariant convolutional neural networks for diffusion mri

This paper introduces gauge equivariant convolutional neural networks for diffusion MRI to improve angular resolution with fewer gradient directions.

Stable White Matter Structure in the First Three Years after Psychosis Onset

This study examines white matter changes in schizophrenia patients over two to three years post-onset and finds no longitudinal differences but links white matter alterations to negative symptoms.

Attentional enhancement and suppression of stimulus-synchronized BOLD oscillations

This study uses frequency-tagging fMRI to show that directed attention enhances anti-phase BOLD oscillations and suppresses in-phase oscillations in visual cortex, supporting the biased competition model of attention.

Frequency-tagged fMRI: A platform for fine-grained spatiotemporal analysis of cortical function

This paper develops and validates a dual-frequency tagging fMRI protocol to enable fine-grained spatiotemporal analysis of cortical function, revealing detailed cortical topographies and temporal synchronization.

Multimodal gradients of basal forebrain connectivity across the neocortex

This study examines gradients of basal forebrain connectivity in the human cortex using multimodal imaging and finds reduced tethering between structural and functional connectivity in specific brain regions.

Converging effects of cannabis and psychosis on the dopamine system: A longitudinal neuromelanin-sensitive MRI study in cannabis use disorder and first episode schizophrenia.

This study uses neuromelanin-MRI to show that cannabis use disorder is associated with elevated dopamine signaling in specific midbrain regions, suggesting shared mechanisms with psychosis.

Neurite Density and Free Water in the Gray and White Matter of Early Psychosis Patients

The paper applies the NODDI model to early psychosis patients and healthy controls to assess microstructural changes in grey and white matter, finding increased free water in grey matter not fully explained by partial volume effects.

The developing hippocampus: Microstructural evolution through childhood and adolescence

This study investigates age-related changes in hippocampal microstructure using diffusion MRI in children and adolescents, finding significant developmental changes in neurites, soma, and mean diffusivity.

HippoMaps: Multiscale cartography of the human hippocampal formation

HippoMaps provides a toolbox and data warehouse for mapping and analyzing hippocampal data across multiple modalities and scales.

Cortical Network Disruption is Minimal in Early Stages of Psychosis

The paper investigates white matter and cortical network changes in early psychosis and finds minimal disruption in first-episode psychosis compared to chronic patients and controls.

Focal acetylcholinergic modulation of the human midcingulo-insular network during attention: Meta-analytic neuroimaging and behavioral evidence

This study uses meta-analytic neuroimaging to show acetylcholine modulates midcingulo-insular network activity during attention, enhancing response speed without sacrificing accuracy.

Mapping the Macrostructure and Microstructure of the in vivo Human Hippocampus using Diffusion MRI

This paper uses diffusion MRI and computational methods to map macro- and microstructural features of the human hippocampus, revealing distinct subfield characteristics and potential fiber pathway orientations.

Novel insights into hippocampal perfusion using high-resolution, multi-modal 7T MRI

This study measures hippocampal perfusion using 7T MRI and finds significant subfield differences, with CA1 having the lowest perfusion, influenced by vascular proximity and cytoarchitecture.

Magnetic resonance imaging datasets with anatomical fiducials for quality control and registration

The paper releases curated anatomical fiducial placements for MRI datasets to improve image registration quality control and registration accuracy.

Evaluation of surface-based hippocampal registration using ground-truth subfield definitions

This paper introduces a surface-based hippocampal registration method that improves subfield alignment across different morphologies.

Automated hippocampal unfolding for morphometry and subfield segmentation with HippUnfold

HippUnfold is an automated BIDS-App for hippocampal unfolding and subfield segmentation using deep learning and topological constraints, enabling individual-specific morphometric analysis.

An automated BIDS-App for brain segmentation of human fetal functional MRI data

The paper introduces funcmasker-flex, a BIDS App using a 3D U-net to automate fetal fMRI brain segmentation, achieving high Dice scores and reducing manual effort.

Mapping the subcortical connectome using in vivo diffusion MRI: feasibility and reliability

This study assesses the feasibility and reliability of mapping the subcortical connectome using in vivo diffusion MRI tractography and test-retest data from the Human Connectome Project.

Waveform detection by deep learning reveals multi-area spindles that are selectively modulated by memory load

The paper uses deep learning to detect sleep spindles across multiple brain areas and finds they are widespread and modulated by memory load.

Enabling complex fibre geometries using 3D printed axon-mimetic phantoms

This paper introduces 3D-printed axon-mimetic phantoms to evaluate diffusion MRI models under complex fibre orientations, finding that Bingham-NODDI best captures planar fibre dispersion.

Activity in perirhinal and entorhinal cortex predicts perceived visual similarities among category exemplars with highest precision

The paper shows that activity in perirhinal and entorhinal cortex best predicts perceived visual similarities between category exemplars compared to other ventral visual stream regions.