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Neuroimaging & Interventions

The neuroimaging and intervention research group consists of a diverse group of scientists and physicians that focus on the development of ultra-fast magnetic resonance imaging methods for evaluating neurological and psychiatric diseases. A priority of this group is to translate these newly invented techniques rapidly into the clinical environment so that they may increase our understanding of brain diseases and improve patient care. Neuroimaging scientists from radiology collaborate with colleagues across campus, including experts in psychiatry, neurology, neurological surgery, interventional neuroradiology, pediatric medicine and biomedical engineering.

Learn more about our work below.

 Sameer Ansari

My research projects include industry-sponsored clinical studies as well as PI and Co-Investigator roles on NIH R01 and R21 projects. My goal is to study MR imaging-based risk stratification of neurovascular diseases – particularly in ischemic stroke and intracranial atherosclerotic disease. This research is put into clinical practice by increasing effectiveness of interventional treatment planning.

For more information on my research, please view my Feinberg School of Medicine faculty profile.

Publications

View my publications on Northwestern Scholars.

 Yu Fen Chen

My research focuses on applications of MR perfusion methods such as arterial spin labeling (ASL) or dynamic susceptibility contrast (DSC) imaging. Some of my projects include using ASL to study brain changes after sports-related concussion, treatment-related recovery in aphasia patients and single dose DSC-DCE.

For more information on my research, please view my Feinberg School of Medicine faculty profile.

Publications

View my publications on Northwestern Scholars.

 Laleh Golestani Rad

I am an engineer and scientist with expertise in the application of computational electromagnetic techniques for the safety assessment of medical imaging and therapeutic devices. My work currently focuses on application of computational modeling to guide hardware design, safety assessments, and the optimization of imaging protocols for MRI scans in patients with conductive implants.

For more information on my research, please view my McCormick School of Engineering or my Feinberg School of Medicine faculty profiles.

Publications

View my publications on Northwestern Scholars.

 Virginia Hill

I have multiple projects, including texture analysis of glioblastomas treated with immunotherapy to determine radiogenomics and to differentiate between true progression and pseudoprogression, radiogenomics of gliomas in general, automatic detection of head CT emergencies, automatic detection and measurement of brain metastases on MRI.

For more information on my research, please view my Feinberg School of Medicine faculty profile.

Publications

View my publications on Northwestern Scholars.

 Michael Hurley

My research focuses on cerebral aneurysm risk assessment via advanced MR imaging, 4 dimensional flow, wall permeability, and non invasive endovascular treatment by coiling, balloon assisted, stent assisted and flow diversion.

I am also interested in the following: Cerebral arteriovenous malformation workup and endovascular treatment. Intracranial dural sinus fistula, spinal fistula and malformation workup and treatment. Stroke risk workup, acute stroke intra-arterial thrombolysis and mechanical thrombectomy, carotid atherosclerotic stenosis stenting, intracranial atherosclerosis wall imaging and intracranial angioplasty - stenting. Epistaxis (nose bleed) embolization. Head and neck tumor embolization. Intracranial venous sinus stenosis workup and treatment, stunting for benign intracranial hypertension / pseudotumor cerebri. Intracranial venous sinus clot extraction for sinus thrombosis.

For more information on my research, please view my Feinberg School of Medicine faculty profile.

Publications

View my publications on Northwestern Scholars.

 Amber Leaver

The INMRI research group founded by Dr. Leaver at Northwestern conducts precision neuroimaging research to understand and improve electrical neuromodulation therapies. Our studies encompass several topics spanning mental health and depression, chronic idiopathic tinnitus, noninvasive electrical neuromodulation technologies, and best practices in applied connectomics. Details about my projects can be found on the Leaver Lab website.

For more information on my research, please view my Feinberg School of Medicine faculty profile.

Publications

View my publications on Northwestern Scholars.

 Benjamin Liu

My research focuses on brain tumors, functional magnetic resonance imaging (fMRI), advanced neuroimaging techniques, imaging contrast agents, imaging response criteria in neuro-oncology, spine imaging, neuroanatomy, head and neck radiology, brain and neurovascular disorders, and imaging of headache and back pain.

For more information on my research, please view my Feinberg School of Medicine faculty profile.

Publications

View my publications on Northwestern Scholars.

 Alexander Nemeth

I am the Section Chief for Neuroradiology and the Director of the Neuroradiology MRI. My research focuses on using MRI to conduct diffusion-weighted imaging of the brain.

For more information on my research, please view my Feinberg School of Medicine faculty profile.

Publications

View my publications on Northwestern Scholars.

 Nishant Parekh

For more information on my research, please view my Feinberg School of Medicine faculty profile.

Publications

View my publications on Northwestern Scholars.

 Todd Parrish

I have a strong expertise in image processing and neuroimaging with a special emphasis on MR based methods. My group and I have been successful in using advanced neuroimaging methods to demonstrate changes in BOLD, diffusion, perfusion, magnetization transfer and structural measures associated with function, memory and learning in the brain as well as movement, sensory, and pain in the spinal cord. I have a long history of methods development and application of neuroimaging methods to pathologic and clinical conditions. My current interests are developing novel methodologies to explore brain physiology to generate new imaging techniques to study the brain. These areas include neurovascular physiology, perfusion/permeability in tissue, multimodal imaging and image analysis, mechanisms of spinal cord structure and function, the use of infrared thermometry for intraoperative functional mapping in awake surgery, and application of machine learning to medical images. I have extensive experience conducting multi-center neuroimaging studies and understand the issues well.​ For details and images, visit the Parrish Neuroimaging Laboratory.

For more information on my research, please view my Feinberg School of Medicine faculty profile.

Publications

View my publications on Northwestern Scholars.

 Ann Ragin

My research projects include Quantitative Magnetic Resonance Imaging strategies for in vivo measurement of the brain to investigate effects of aging and of viruses, particularly HIV infection. Brain network analysis to investigate effects of aging and for early detection of neural injury. Collaborative projects involve applications of 4D flow imaging to investigate alterations in cerebral blood flow and relation to brain status. For details and images, visit the Northwestern CVMRI Group page.

For more information on my research, please view my Feinberg School of Medicine faculty profile.

Publications

View my publications on Northwestern Scholars.

 Eric Russell

I am the former Chair of the Department of Radiology. My research interests include Head and neck radiology, Interventional neuroradiology, Neuroradiology, Spine imaging / intervention, Vascular imaging.

For more information on my research, please view my Feinberg School of Medicine faculty profile.

Publications

View my publications on Northwestern Scholars.

 Susanne Schnell

My current work focuses on intracranial 4D Flow MRI: The brain vasculature is a complex flow network with a large range of velocities and patient anatomy, and interest in quantitative brain imaging biomarkers is growing. 4D Flow is used in a variety of neurovascular applications to quantify the impact of disease on local hemodynamics and flow distributions throughout the whole brain. Running projects concentrate on healthy cohorts as well as intracranial arteriovenous malformation (AVM) and vein of galen aneurysmal malformation, intracranial aneurysm patients as well as intracranial atherosclerosis. For details and images, visit the Intracranial 4D Flow website and the Northwestern CVMRI Group page.

For more information on my research, please view my Feinberg School of Medicine faculty profile.

Publications

View my publications on Northwestern Scholars.

 Ali Shaibani

I am the Chief of Neurointerventional Radiology.

For more information on my research, please view my Feinberg School of Medicine faculty profile.

Publications

View my publications on Northwestern Scholars.

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