Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1982 1
1984 1
1985 2
1986 1
1987 1
1988 4
1989 9
1990 3
1991 7
1992 4
1993 5
1994 5
1995 4
1997 3
1998 2
1999 2
2001 3
2002 2
2003 5
2004 5
2005 4
2006 3
2007 3
2008 5
2009 2
2010 5
2011 8
2012 4
2013 9
2014 15
2015 11
2016 8
2017 9
2018 7
2019 6
2020 2
2022 2
2024 0

Text availability

Article attribute

Article type

Publication date

Search Results

150 results

Results by year

Filters applied: . Clear all
Page 1
Fiber ball imaging.
Jensen JH, Russell Glenn G, Helpern JA. Jensen JH, et al. Among authors: helpern ja. Neuroimage. 2016 Jan 1;124(Pt A):824-833. doi: 10.1016/j.neuroimage.2015.09.049. Epub 2015 Oct 1. Neuroimage. 2016. PMID: 26432187 Free PMC article.
Diffusion-weighted imaging in epilepsy.
Helpern JA, Huang N. Helpern JA, et al. Magn Reson Imaging. 1995;13(8):1227-31. doi: 10.1016/0730-725x(95)02036-s. Magn Reson Imaging. 1995. PMID: 8750340 Free article. Review.
Functional deficits induced by cortical microinfarcts.
Summers PM, Hartmann DA, Hui ES, Nie X, Deardorff RL, McKinnon ET, Helpern JA, Jensen JH, Shih AY. Summers PM, et al. Among authors: helpern ja. J Cereb Blood Flow Metab. 2017 Nov;37(11):3599-3614. doi: 10.1177/0271678X16685573. Epub 2017 Jan 16. J Cereb Blood Flow Metab. 2017. PMID: 28090802 Free PMC article.
Random walk with barriers.
Novikov DS, Fieremans E, Jensen JH, Helpern JA. Novikov DS, et al. Among authors: helpern ja. Nat Phys. 2011 Jun 1;7(6):508-514. doi: 10.1038/nphys1936. Nat Phys. 2011. PMID: 21686083 Free PMC article.
Quantitative MR imaging in Alzheimer disease.
Ramani A, Jensen JH, Helpern JA. Ramani A, et al. Among authors: helpern ja. Radiology. 2006 Oct;241(1):26-44. doi: 10.1148/radiol.2411050628. Radiology. 2006. PMID: 16990669 Review.
Magnetic resonance spectroscopy in cerebral ischemia.
Welch KM, Levine SR, Martin G, Ordidge R, Vande Linde AM, Helpern JA. Welch KM, et al. Among authors: helpern ja. Neurol Clin. 1992 Feb;10(1):1-29. Neurol Clin. 1992. PMID: 1556996 Review.
150 results