User profiles for J. Choupan
 | Jeiran ChoupanUSC Stevens Neuroimaging and Informatics Institute, Keck School of Medicine University of … Verified email at usc.edu Cited by 658 |
[HTML][HTML] Imaging perivascular space structure and function using brain MRI
In this article, we provide an overview of current neuroimaging methods for studying
perivascular spaces (PVS) in humans using brain MRI. In recent years, an increasing number of …
perivascular spaces (PVS) in humans using brain MRI. In recent years, an increasing number of …
Quantitative comparison of reconstruction methods for intra-voxel fiber recovery from diffusion MRI
Validation is arguably the bottleneck in the diffusion magnetic resonance imaging (MRI)
community. This paper evaluates and compares 20 algorithms for recovering the local intra-…
community. This paper evaluates and compares 20 algorithms for recovering the local intra-…
Volumetric distribution of perivascular space in relation to mild cognitive impairment
Vascular contributions to early cognitive decline are increasingly recognized, prompting
further investigation into the nature of related changes in perivascular spaces (PVS). Using …
further investigation into the nature of related changes in perivascular spaces (PVS). Using …
[HTML][HTML] Image processing approaches to enhance perivascular space visibility and quantification using MRI
… For each voxel (x j ) the weight (ω) is measured using the Euclidean distance between 3D
patches. … Therefore the expected Euclidian distances between two noisy patches N i and N j is …
patches. … Therefore the expected Euclidian distances between two noisy patches N i and N j is …
Perivascular space fluid contributes to diffusion tensor imaging changes in white matter
Diffusion tensor imaging (DTI) has been extensively used to map changes in brain tissue
related to neurological disorders. Among the most widespread DTI findings are increased …
related to neurological disorders. Among the most widespread DTI findings are increased …
[HTML][HTML] Lateralization of temporal lobe epilepsy based on resting-state functional magnetic resonance imaging and machine learning
Lateralization of temporal lobe epilepsy (TLE) is critical for successful outcome of surgery to
relieve seizures. TLE affects brain regions beyond the temporal lobes and has been …
relieve seizures. TLE affects brain regions beyond the temporal lobes and has been …
[HTML][HTML] Brain perivascular space imaging across the human lifespan
Enlarged perivascular spaces (PVS) are considered a biomarker for vascular pathology and
are observed in normal aging and neurological conditions; however, research on the role of …
are observed in normal aging and neurological conditions; however, research on the role of …
[HTML][HTML] The association between white matter hyperintensities and amyloid and tau deposition
White matter hyperintensities (WMHs) frequently occur in Alzheimer’s Disease (AD) and have
a contribution from ischemia, though their relationship with β-amyloid and cardiovascular …
a contribution from ischemia, though their relationship with β-amyloid and cardiovascular …
[HTML][HTML] Increased perivascular space volume in white matter and basal ganglia is associated with cognition in Parkinson's Disease
Perivascular spaces (PVS), fluid-filled compartments surrounding brain vasculature, are an
essential component of the glymphatic system responsible for transport of waste and nutrients…
essential component of the glymphatic system responsible for transport of waste and nutrients…
Magnetic resonance spectroscopy shows associations between neurometabolite levels and perivascular space volume in Parkinson's disease: a pilot and feasibility …
…, RP Foreman, JJ Duran, S Venkadesh, J Choupan… - …, 2022 - journals.lww.com
Objective Higher volume fraction of perivascular space (PVS) has recently been reported in
Parkinson’s disease (PD) and related disorders. Both elevated PVS and altered levels of …
Parkinson’s disease (PD) and related disorders. Both elevated PVS and altered levels of …