Noam Harel

10.5 Tesla High-Resolution Macaque Brain MRI for In vivo and Ex vivo Connectivity Studies

This paper presents high-resolution diffusion MRI techniques for in vivo and ex vivo macaque brain imaging at 10.5 Tesla, enabling detailed connectivity studies.

Prefrontal cortical pathways mediating cognitive control enhancement from internal capsule stimulation

This study identifies right dorsal prefrontal cortical pathways mediating cognitive control improvements from VCVS DBS.

Functional MRI of the Human Hippocampus at 10.5T: Pushing the Boundaries of Spatial Resolution

This paper uses 10.5T fMRI to achieve 0.5 mm isotropic resolution, enabling detailed study of hippocampal function and high-precision clinical applications.

Diffusion-weighted steady-state free precession imaging in the ex vivo macaque brain on a 10.5T human MRI scanner

This paper evaluates the diffusion-weighted steady-state free precession (DW-SSFP) sequence for ex vivo macaque brain imaging at 10.5T, showing improved SNR efficiency and geometric distortion reduction.

Brain Charts for the Rhesus Macaque Lifespan

This study creates normative brain growth charts for rhesus macaques across their lifespan using MRI data, revealing developmental milestones and cross-species comparisons with humans.

Mapping polarization-sensitive optical coherence tomography and ultra-high-field diffusion MRI in the macaque brain

The paper compares microstructure and fiber orientation measurements from polarization-sensitive OCT and ultra-high-field dMRI in macaque brains and demonstrates a GAN for improving MRI resolution using OCT data.

REM Sleep Movements in Parkinson's Disease: Is the Basal Ganglia Engaged?

This study examines the role of the basal ganglia in REM sleep movements in Parkinson's disease, finding distinct oscillatory patterns compared to awake movements.

Controlling pallidal oscillations in real-time in Parkinson's disease using evoked interference deep brain stimulation (eiDBS): proof of concept in the human

This study demonstrates real-time control of pallidal oscillations in Parkinson's disease using evoked interference deep brain stimulation (eiDBS) to suppress or amplify beta band activity.

Parkinsonian gait effects with DBS are associated with pallido-peduncular axis activation

This study investigates how specific neuronal pathways around the subthalamic nucleus affect gait in Parkinson's disease patients undergoing DBS, finding associations between pathway activation and step length changes.

High-frequency oscillations in the internal globus pallidus: a pathophysiological biomarker in Parkinson's disease?

This study identifies high-frequency oscillations in the internal globus pallidus as a pathophysiological feature of Parkinson's disease using clinical and preclinical data.

Deep-learning based fully automatic segmentation of the globus pallidus interna and externa using ultra-high 7 Tesla MRI

This paper introduces GP-net, a deep-learning model for automatic segmentation of the globus pallidus interna and externa using 7 Tesla MRI, showing improved results over atlas-based methods.

Real-time suppression and amplification of frequency-specific neural activity using stimulation evoked oscillations

This study develops a closed-loop neural control framework to suppress or amplify specific low-frequency oscillations in real-time using electrical stimulation in nonhuman primates.

Ultra-high field (10.5 T) resting state fMRI in the macaque

This paper demonstrates ultra-high field (10.5 T) resting state fMRI in macaques, revealing detailed and robust resting state components similar to human connectomes.

Automatic Localization of the Subthalamic Nucleus on Patient-Specific Clinical MRI by Incorporating 7T MRI and Machine Learning: Application in Deep Brain Stimulation

This paper develops an automatic method to localize the subthalamic nucleus on standard clinical MRI using 7T MRI data and machine learning, showing improved accuracy compared to existing atlases.

Continuous Dice Coefficient: a Method for Evaluating Probabilistic Segmentations

This paper introduces the continuous Dice coefficient (cDC) to evaluate probabilistic segmentations, showing it is less biased to structure size and more robust to partial volume effects than the classical Dice coefficient.

An open resource for nonhuman primate imaging

The paper introduces PRIME-DE, an open resource for non-human primate MRI data, aggregating 13 datasets from 11 sites across 98 macaques.