Joseph A. Helpern
Joseph A. Helpern
Professor, Department of Neuroscience, Medical University of South Carolina
Verified email at
Cited by
Cited by
Diffusional kurtosis imaging: the quantification of non‐gaussian water diffusion by means of magnetic resonance imaging
JH Jensen, JA Helpern, A Ramani, H Lu, K Kaczynski
Magnetic Resonance in Medicine: An Official Journal of the International …, 2005
MRI quantification of non‐Gaussian water diffusion by kurtosis analysis
JH Jensen, JA Helpern
NMR in Biomedicine 23 (7), 698-710, 2010
White matter characterization with diffusional kurtosis imaging
E Fieremans, JH Jensen, JA Helpern
Neuroimage 58 (1), 177-188, 2011
Three‐dimensional characterization of non‐gaussian water diffusion in humans using diffusion kurtosis imaging
H Lu, JH Jensen, A Ramani, JA Helpern
NMR in Biomedicine: An International Journal Devoted to the Development and …, 2006
Correction of motional artifacts in diffusion-weighted MR images using navigator echoes
RJ Ordidge, JA Helpern, ZX Qing, RA Knight, V Nagesh
Magnetic resonance imaging 12 (3), 455-460, 1994
Assessment of relative brain iron concentrations using T2‐weighted and T2*‐weighted MRI at 3 Tesla
RJ Ordidge, JM Gorell, JC Deniau, RA Knight, JA Helpern
Magnetic resonance in medicine 32 (3), 335-341, 1994
Estimation of tensors and tensor‐derived measures in diffusional kurtosis imaging
A Tabesh, JH Jensen, BA Ardekani, JA Helpern
Magnetic resonance in medicine 65 (3), 823-836, 2011
Increased iron‐related MRI contrast in the substantia nigra in Parkinson's disease
JM Gorell, RJ Ordidge, GG Brown, JC Deniau, NM Buderer, JA Helpern
Neurology 45 (6), 1138-1143, 1995
North America Symptomatic Carotid Endarterectomy Trial: methods, patient characteristics and progress
North America Symptomatic Carotid Endarterectomy Trial Steering Committee
Stroke 22, 711-720, 1991
Low brain magnesium in migraine
NM Ramadan, H Halvorson, A Vande‐Linde, SR Levine, JA Helpern, ...
Headache: The Journal of Head and Face Pain 29 (9), 590-593, 1989
Magnetic resonance imaging assessment of evolving focal cerebral ischemia. Comparison with histopathology in rats.
RA Knight, MO Dereski, JA Helpern, RJ Ordidge, M Chopp
Stroke 25 (6), 1252-1261, 1994
The metabolic effects of mild hypothermia on global cerebral ischemia and recirculation in the cat: comparison to normothermia and hyperthermia
M Chopp, R Knight, CD Tidwell, JA Helpern, E Brown, KMA Welch
Journal of Cerebral Blood Flow & Metabolism 9 (2), 141-148, 1989
Neuropsychiatric applications of DTI–a review
KO Lim, JA Helpern
NMR in Biomedicine: An International Journal Devoted to the Development and …, 2002
Does diffusion kurtosis imaging lead to better neural tissue characterization? A rodent brain maturation study
MM Cheung, ES Hui, KC Chan, JA Helpern, L Qi, EX Wu
Neuroimage 45 (2), 386-392, 2009
Revealing mesoscopic structural universality with diffusion
DS Novikov, JH Jensen, JA Helpern, E Fieremans
Proceedings of the National Academy of Sciences 111 (14), 5088-5093, 2014
Temporal evolution of ischemic damage in rat brain measured by proton nuclear magnetic resonance imaging.
RA Knight, RJ Ordidge, JA Helpern, M Chopp, LC Rodolosi, D Peck
Stroke 22 (6), 802-808, 1991
Age‐related non‐Gaussian diffusion patterns in the prefrontal brain
MF Falangola, JH Jensen, JS Babb, C Hu, FX Castellanos, A Di Martino, ...
Journal of Magnetic Resonance Imaging: An Official Journal of the …, 2008
Preliminary observations on brain energy metabolism in migraine studied by in vivo phosphorus 31 NMR spectroscopy
KMA Welch, SR Levine, G D'andrea, LR Schultz, JA Helpern
Neurology 39 (4), 538-538, 1989
Monte Carlo study of a two‐compartment exchange model of diffusion
E Fieremans, DS Novikov, JH Jensen, JA Helpern
NMR in Biomedicine 23 (7), 711-724, 2010
Stroke assessment with diffusional kurtosis imaging
ES Hui, E Fieremans, JH Jensen, A Tabesh, W Feng, L Bonilha, ...
Stroke 43 (11), 2968-2973, 2012
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