Personal profile

Research Interests

Quantitative MR strategies for in vivo measurement of structural and functional status. Early HIV infection. Risk factors and biomarkers (particularly cytokines and chemokines)of brain injury and cognitive decline in HIV infection and in CNS disorders.


  • Stroke
  • Cytokines
  • Neurologic complications of AIDS
  • Cognitive Neuroscience
  • Neuroinflammation
  • Cardiovascular Imaging
  • Acute HIV infection
  • Quantitative MRI
  • Network Science
  • Aging
  • Big Data

Fingerprint Fingerprint is based on mining the text of the persons scientific documents to create an index of weighted terms, which defines the key subjects of each individual researcher.

  • 7 Similar Profiles
HIV Medicine & Life Sciences
Brain Medicine & Life Sciences
HIV Infections Medicine & Life Sciences
Infection Medicine & Life Sciences
Magnetic Resonance Imaging Medicine & Life Sciences
Brain Injuries Medicine & Life Sciences
Cohort Studies Medicine & Life Sciences
Atrophy Medicine & Life Sciences

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Research Output 1983 2017

  • 2065 Citations
  • 71 Article
  • 9 Conference contribution
  • 1 Letter
  • 1 Review article

A novel ensemble approach on regionalized neural networks for brain disorder prediction

Zheng, L., Zhang, J., Cao, B., Yu, P. S. & Ragin, A. Apr 3 2017 32nd Annual ACM Symposium on Applied Computing, SAC 2017. Association for Computing Machinery, Vol. Part F128005, p. 817-823 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Neural networks
Computer vision
Data mining

Cognitive function in early HIV infection

Prakash, A., Hou, J., Liu, L., Gao, Y., Kettering, C. & Ragin, A. B. Apr 1 2017 In : Journal of NeuroVirology. 23, 2, p. 273-282 10 p.

Research output: Contribution to journalArticle

HIV Infections
Executive Function
Biological Markers
Psychomotor Performance

The association between physical activity and cognition in men with and without HIV infection

Monroe, A., Zhang, L., Jacobson, L., Plankey, M., Brown, T., Miller, E., Martin, E., Becker, J., Levine, A., Ragin, A. & Sacktor, N. 2017 In : HIV Medicine.

Research output: Contribution to journalArticle

HIV Infections
Motor Activity
Odds Ratio

Transcriptome analyses identify key cellular factors associated with HIV-1-associated neuropathogenesis in infected men

Venkatachari, N. J., Jain, S., Walker, L., Bivalkar-Mehla, S., Chattopadhyay, A., Bar-Joseph, Z., Rinaldo, C., Ragin, A., Seaberg, E., Levine, A., Becker, J., Martin, E., Sacktor, N. & Ayyavoo, V. Mar 13 2017 In : AIDS. 31, 5, p. 623-633 11 p.

Research output: Contribution to journalArticle

Gene Expression Profiling
AIDS Dementia Complex
Viral Proteins
Blood Cells

Unified and contrasting graphical Lasso for brain network discovery

Liu, X., Kong, X. & Ragin, A. B. 2017 Proceedings of the 17th SIAM International Conference on Data Mining, SDM 2017. Society for Industrial and Applied Mathematics Publications, p. 180-188 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Association reactions
Imaging techniques