User profiles for A.B. Ragin

Ann Ragin

Research Professor of Radiology, Northwestern University
Verified email at Northwestern.edu
Cited by 6367

Structural brain alterations can be detected early in HIV infection

AB Ragin, H Du, R Ochs, Y Wu, CL Sammet… - Neurology, 2012 - AAN Enterprises
Objective: Brain changes occurring early in HIV infection are not well characterized. The
Chicago Early HIV Infection Study aimed to evaluate the presence and extent of structural brain …

Diffusion alterations in corpus callosum of patients with HIV

…, LG Epstein, RR Edelman, AB Ragin - American journal …, 2006 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Diffusion alterations have been identified in the corpus
callosum and frontal white matter of patients infected with human immunodeficiency virus (HIV), …

Brain alterations within the first 100 days of HIV infection

AB Ragin, Y Wu, Y Gao, S Keating, H Du… - Annals of clinical …, 2015 - Wiley Online Library
Objective Brain involvement is a serious complication of HIV infection. The earliest changes
in the brain, which represents an anatomic site for viral persistence, are largely unknown. …

Abnormalities in resting-state functional connectivity in early human immunodeficiency virus infection

…, R Ochs, JH Chung, Y Wu, T Parrish, AB Ragin - Brain …, 2011 - liebertpub.com
Limited information is available concerning changes that occur in the brain early in human
immunodeficiency virus (HIV) infection. This investigation evaluated resting-state functional …

MR imaging to assess immediate response to irreversible electroporation for targeted ablation of liver tissues: preclinical feasibility studies in a rodent model

Y Zhang, Y Guo, AB Ragin, RJ Lewandowski, GY Yang… - Radiology, 2010 - pubs.rsna.org
Purpose To test the hypothesis that magnetic resonance (MR) imaging measurements can
be used to immediately detect treated tissue regions after irreversible electroporation (IRE) …

Diffusion tensor imaging of subcortical brain injury in patients infected with human immunodeficiency virus

AB Ragin, Y Wu, P Storey, BA Cohen… - Journal of …, 2005 - Springer
Diffusion tensor imaging (DTI) was used to derive in vivo tissue status measurements of
subcortical brain regions that are vulnerable to injury in human immunodeficiency virus (HIV)-…

Dusk: A dual structure-preserving kernel for supervised tensor learning with applications to neuroimages

L He, X Kong, PS Yu, X Yang, AB Ragin, Z Hao - Proceedings of the 2014 …, 2014 - SIAM
With advances in data collection technologies, tensor data is assuming increasing prominence
in many applications and the problem of supervised tensor learning has emerged as a …

Structural deep brain network mining

…, L He, B Cao, CT Lu, PS Yu, AB Ragin - Proceedings of the 23rd …, 2017 - dl.acm.org
Ragin. Identifying connectivity pa erns for brain diseases via multi-side-view guided deep
architectures. In Proceedings of the SIAM International Conference on Data Mining, pages 36–…

Whole brain diffusion tensor imaging in HIV-associated cognitive impairment

AB Ragin, P Storey, BA Cohen… - American Journal …, 2004 - Am Soc Neuroradiology
… Six diffusion-weighted images were acquired of each section, with ab value of 1000 s/mm
2 . A b = 0 reference image was also acquired. Diffusion was applied along six directions: (1,0,…

Kernelized support tensor machines

…, S Wang, L Shen, SY Philip, AB Ragin - International …, 2017 - proceedings.mlr.press
In the context of supervised tensor learning, preserving the structural information and
exploiting the discriminative nonlinear relationships of tensor data are crucial for improving the …