Joseph A. Helpern

13.4k total citations · 3 hit papers
132 papers, 10.4k citations indexed

About

Joseph A. Helpern is a scholar working on Radiology, Nuclear Medicine and Imaging, Orthopedics and Sports Medicine and Cognitive Neuroscience. According to data from OpenAlex, Joseph A. Helpern has authored 132 papers receiving a total of 10.4k indexed citations (citations by other indexed papers that have themselves been cited), including 113 papers in Radiology, Nuclear Medicine and Imaging, 20 papers in Orthopedics and Sports Medicine and 16 papers in Cognitive Neuroscience. Recurrent topics in Joseph A. Helpern's work include Advanced Neuroimaging Techniques and Applications (88 papers), Advanced MRI Techniques and Applications (75 papers) and MRI in cancer diagnosis (31 papers). Joseph A. Helpern is often cited by papers focused on Advanced Neuroimaging Techniques and Applications (88 papers), Advanced MRI Techniques and Applications (75 papers) and MRI in cancer diagnosis (31 papers). Joseph A. Helpern collaborates with scholars based in United States, Hong Kong and United Kingdom. Joseph A. Helpern's co-authors include Jens H. Jensen, Hanzhang Lu, Anita Ramani, Els Fieremans, Ali Tabesh, Maria F. Falangola, Dmitry S. Novikov, Babak A. Ardekani, Roger J. Ordidge and Kelvin O. Lim and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of the American Chemical Society and SHILAP Revista de lepidopterología.

In The Last Decade

Joseph A. Helpern

132 papers receiving 10.3k citations

Hit Papers

align trajectories sort by overperformance

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Diffusional kurtosis imaging: The quantification of non‐gaussian water diffusion by means of magnetic resonance imaging

2005 1.9k citations Jens H. Jensen, Joseph A. Helpern et al. Magnetic Resonance in Medicine profile →
MRI quantification of non‐Gaussian water diffusion by kurtosis analysis

2010 970 citations Jens H. Jensen, Joseph A. Helpern NMR in Biomedicine profile →
White matter characterization with diffusional kurtosis imaging

2011 417 citations Els Fieremans, Jens H. Jensen et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Joseph A. Helpern United States	48	8.2k	1.6k	1.5k	1.1k	982	132	10.4k
Jens H. Jensen United States	47	8.3k 1.0×	1.4k 0.9×	1.5k 1.0×	1.4k 1.2×	861 0.9×	167	11.2k
Els Fieremans United States	41	5.8k 0.7×	1.3k 0.8×	1.1k 0.7×	919 0.8×	878 0.9×	118	8.1k
Mark A. Horsfield United Kingdom	52	6.4k 0.8×	1.1k 0.7×	819 0.5×	1.0k 0.9×	1.8k 1.8×	160	11.0k
Sheng‐Kwei Song United States	43	7.5k 0.9×	1.8k 1.1×	918 0.6×	1.4k 1.2×	1.4k 1.4×	129	10.4k
James Mattiello United States	13	7.0k 0.8×	1.6k 1.0×	762 0.5×	1.5k 1.3×	927 0.9×	19	8.3k
Roland Bammer United States	54	6.7k 0.8×	1.5k 0.9×	571 0.4×	919 0.8×	811 0.8×	171	9.4k
Paul S. Tofts United Kingdom	67	12.3k 1.5×	948 0.6×	795 0.5×	533 0.5×	2.2k 2.2×	205	18.9k
Stephan E. Maier United States	57	7.6k 0.9×	1.7k 1.0×	865 0.6×	2.0k 1.8×	481 0.5×	159	10.5k
David S. Tuch United States	32	5.6k 0.7×	2.4k 1.5×	571 0.4×	1.3k 1.1×	757 0.8×	54	7.3k
Claudia A. M. Gandini Wheeler‐Kingshott United Kingdom	59	10.1k 1.2×	4.1k 2.6×	1.2k 0.8×	2.0k 1.8×	2.2k 2.2×	278	15.7k

Countries citing papers authored by Joseph A. Helpern

Since Specialization

Citations

This map shows the geographic impact of Joseph A. Helpern's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Joseph A. Helpern with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Joseph A. Helpern more than expected).

Fields of papers citing papers by Joseph A. Helpern

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Joseph A. Helpern. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Joseph A. Helpern. The network helps show where Joseph A. Helpern may publish in the future.

Co-authorship network of co-authors of Joseph A. Helpern

This figure shows the co-authorship network connecting the top 25 collaborators of Joseph A. Helpern. A scholar is included among the top collaborators of Joseph A. Helpern based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Joseph A. Helpern. Joseph A. Helpern is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Ramanna, Sudhir, et al.. (2019). Triple diffusion encoding MRI predicts intra‐axonal and extra‐axonal diffusion tensors in white matter. Magnetic Resonance in Medicine. 83(6). 2209–2220. 12 indexed citations

McKinnon, Emilie T., Julius Fridriksson, Alexandra Basilakos, et al.. (2018). Types of naming errors in chronic post-stroke aphasia are dissociated by dual stream axonal loss. Scientific Reports. 8(1). 14352–14352. 29 indexed citations

Spampinato, Maria Vittoria, et al.. (2017). Diffusional Kurtosis Imaging of the Corticospinal Tract in Multiple Sclerosis: Association with Neurologic Disability. American Journal of Neuroradiology. 38(8). 1494–1500. 12 indexed citations

Benitez, Andreana, Jens H. Jensen, & Joseph A. Helpern. (2017). [P2–382]: AXONAL DENSITY AND MYELIN INTEGRITY IN COGNITIVE DECLINE: A DIFFUSIONAL KURTOSIS IMAGING STUDY. Alzheimer s & Dementia. 13(7S_Part_16). 3 indexed citations

Keller, Simon S., G. Russell Glenn, Bernd Weber, et al.. (2016). Preoperative automated fibre quantification predicts postoperative seizure outcome in temporal lobe epilepsy. Brain. 140(1). 68–82. 86 indexed citations

Shaw, Calvin B., Jens H. Jensen, Rachael Deardorff, Maria Vittoria Spampinato, & Joseph A. Helpern. (2016). Comparison of Diffusion Metrics Obtained at 1.5T and 3T in Human Brain With Diffusional Kurtosis Imaging. Journal of Magnetic Resonance Imaging. 45(3). 673–680. 11 indexed citations

Hui, Edward S., Ashley N. Watson, Xingju Nie, et al.. (2015). Microvascular basis for growth of small infarcts following occlusion of single penetrating arterioles in mouse cortex. Journal of Cerebral Blood Flow & Metabolism. 36(8). 1357–1373. 40 indexed citations

Glenn, G. Russell, Joseph A. Helpern, Ali Tabesh, & Jens H. Jensen. (2015). Quantitative assessment of diffusional kurtosis anisotropy. NMR in Biomedicine. 28(4). 448–459. 86 indexed citations

Jensen, Jens H. & Joseph A. Helpern. (2014). In vivo characterization of brain iron with magnetic field correlation imaging. Future Neurology. 9(3). 247–250. 3 indexed citations

10.

Bonilha, Leonardo, Jens H. Jensen, A. Tabesh, et al.. (2014). Altered Microstructure in Temporal Lobe Epilepsy: A Diffusional Kurtosis Imaging Study. American Journal of Neuroradiology. 36(4). 719–724. 42 indexed citations

11.

Hui, Edward S., Els Fieremans, Jens H. Jensen, et al.. (2012). Stroke Assessment With Diffusional Kurtosis Imaging. Stroke. 43(11). 2968–2973. 187 indexed citations

12.

Ramani, Anita, Jens H. Jensen, & Joseph A. Helpern. (2006). Quantitative MR Imaging in Alzheimer Disease. Radiology. 241(1). 26–44. 85 indexed citations

13.

Falangola, Maria F., Phil Lee, Ralph A. Nixon, Karen Duff, & Joseph A. Helpern. (2005). Histological Co-Localization of Iron in A� Plaques of PS/APP Transgenic Mice. Neurochemical Research. 30(2). 201–205. 99 indexed citations

14.

Jensen, Jens H., et al.. (2005). Diffusional kurtosis imaging: The quantification of non‐gaussian water diffusion by means of magnetic resonance imaging. Magnetic Resonance in Medicine. 53(6). 1432–1440. 1856 indexed citations breakdown →

15.

Falangola, Maria F., Babak A. Ardekani, Phil Lee, et al.. (2004). Application of a non-linear image registration algorithm to quantitative analysis of T2 relaxation time in transgenic mouse models of AD pathology. Journal of Neuroscience Methods. 144(1). 91–97. 18 indexed citations

16.

Gorell, Jay M., et al.. (1995). Increased iron‐related MRI contrast in the substantia nigra in Parkinson's disease. Neurology. 45(6). 1138–1143. 272 indexed citations

17.

Jiang, Quan, et al.. (1994). Errata. Journal of the Neurological Sciences. 125(1). 113–113. 1 indexed citations

18.

Ordidge, Roger J., et al.. (1994). Correction of motional artifacts in diffusion-weighted MR images using navigator echoes. Magnetic Resonance Imaging. 12(3). 455–460. 275 indexed citations

19.

Helpern, Joseph A. & James T. Sparrow. (1980). An Improved General Procedure for the Synthesis of N,N' ‐ Bisacrylyldiaminoalkanes. Synthetic Communications. 10(7). 569–571. 8 indexed citations

20.

Helpern, Joseph A., et al.. (1980). Europium ion coordination with .gamma.-carboxyglutamic acid containing ligand systems. Journal of the American Chemical Society. 102(10). 3404–3412. 20 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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