Richard O’Brien

23.4k citations

151 papers · 17.2k indexed · 10 hit papers · h-index 62

Impact in

Cellular and Molecular Neuroscience top 0.2%
- Neuroscience and Neuropharmacology Research
Neurology top 0.2%
- Neuroinflammation and Neurodegeneration Mechanisms

Papers in

Psychiatry and Mental health 34
- Dementia and Cognitive Impairment Research 33
Infectious Diseases 40
- Tuberculosis Research and Epidemiology 39

Co-authors: Philip C. Wong Richard L. Huganir Susan M. Resnick Alan B. Zonderman Luigi Ferrucci Paul Worley Anthony A. Lanahan Katherine W. Roche
Journals: American Journal of Respiratory and Critical Care Medicine (8 papers)Alzheimer s & Dementia (8 papers)Clinical Infectious Diseases (7 papers)Journal of Neuroscience (7 papers)Neurobiology of Aging (5 papers)
Partner nations: United States Switzerland Canada

In The Last Decade

Richard O’Brien

151 papers receiving 16.7k citations

Hit Papers

10 papers align trajectories log scale

Official American Thoracic Society/Infectious Diseases Society of America/Centers for Disease Control and Prevention Clinical Practice Guidelines: Diagnosis of Tuberculosis in Adults and Children 2017 · 476 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2017 Clinical Infectious Diseases
2017 Alzheimer s & Dementia
2016 Clinical Infectious Diseases
2011 Annual Review of Neuroscience
2011 Archives of Neurology
1998 Neuron
1997 Nature
1997 Nature
1996 Neuron
1990 American Review of Respiratory Disease

Peers

Countries citing papers authored by Richard O’Brien

Since Specialization

Citations

This map shows the geographic impact of Richard O’Brien'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 Richard O’Brien with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Richard O’Brien more than expected).

Fields of papers citing papers by Richard O’Brien

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Richard O’Brien. 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 Richard O’Brien. The network helps show where Richard O’Brien may publish in the future.

Co-authorship network

The 25 scholars most cited alongside Richard O’Brien, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Richard O’Brien Line = papers co-authored together Richard O’Brien links everyone, so they are left out of the graph.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work
1	Dysregulation of multiple metabolic networks related to brain transmethylation and polyamine pathways in Alzheimer disease: A targeted metabolomic and transcriptomic study PLoS Medicine ·Uma V. Mahajan, Vijay R. Varma, Michael Griswold, Chad Blackshear, Yang An, Anup Mammen Oommen, Sudhir Varma, Juan C. Troncoso, Olga Pletnikova, Richard O’Brien, Timothy J. Hohman, Cristina Legido‐Quigley, Madhav Thambisetty	2020	112
2	Brain and blood metabolite signatures of pathology and progression in Alzheimer disease: A targeted metabolomics study PLoS Medicine ·Vijay R. Varma, Anup Mammen Oommen, Sudhir Varma, Ramon Casanova, Yang An, Ryan M. Andrews, Richard O’Brien, Olga Pletniková, Juan C. Troncoso, Jon B. Toledo, Rebecca Baillie, Matthias Arnold, Gabi Kastenmueller, Kwangsik Nho, P. Murali Doraiswamy, Andrew J. Saykin, Rima Kaddurah‐Daouk, Cristina Legido‐Quigley, Madhav Thambisetty	2018	344
3	Fluoxetine Maintains a State of Heightened Responsiveness to Motor Training Early After Stroke in a Mouse Model Stroke ·Kwan Ng, Houyem Kamdougha, Branislava Bjelić, Michael S. MacVeigh, Brian Caffo, Richard O’Brien, John W. Krakauer, Steven R. Zeiler	2015	60
4	The Epidemiology of Nontuberculous Mycobacterial Diseases in the United States American Review of Respiratory Disease ·Richard O’Brien, Lawrence Geiter, Dixie E. Snider	2015	14
5	Medial Premotor Cortex Shows a Reduction in Inhibitory Markers and Mediates Recovery in a Mouse Model of Focal Stroke Stroke ·Steven R. Zeiler, Houyem Kamdougha, Robert Hoesch, Mingyong Li, Paul Worley, Richard O’Brien, John W. Krakauer	2013	77
6	Personality and risk of Alzheimer's disease: New data and meta‐analysis Alzheimer s & Dementia ·Antonio Terracciano, Angelina R. Sutin, Yang An, Richard O’Brien, Luigi Ferrucci, Alan B. Zonderman, Susan M. Resnick	2013	231
7	Amyloid Precursor Protein Processing and Alzheimer's Disease Annual Review of Neuroscience ·Richard O’Brien, Philip C. Wong Hit paper breakdown →	2011	1488
8	Rapid Molecular Screening for Multidrug-Resistant Tuberculosis in a High-Volume Public Health Laboratory in South Africa American Journal of Respiratory and Critical Care Medicine ·Marinus Barnard, Heidi Albert, Gerrit Coetzee, Richard O’Brien, M Bosman	2008	315
9	Neuronal Pentraxin 1: A Novel Mediator of Hypoxic-Ischemic Injury in Neonatal Brain Journal of Neuroscience ·Mir Ahamed Hossain, Guangqi Rong, Richard O’Brien, John Laterra	2004	43
10	Moxifloxacin-containing Regimens of Reduced Duration Produce a Stable Cure in Murine Tuberculosis American Journal of Respiratory and Critical Care Medicine ·Eric Nuermberger, Tetsuyuki Yoshimatsu, Sandeep Tyagi, Kathy N. Williams, Ian M. Rosenthal, Richard O’Brien, Andrew Vernon, Richard E. Chaisson, William R. Bishai, J Grosset	2004	167
11	Moxifloxacin-containing Regimen Greatly Reduces Time to Culture Conversion in Murine Tuberculosis American Journal of Respiratory and Critical Care Medicine ·Eric L. Nuermberger, Tetsuyuki Yoshimatsu, Sandeep Tyagi, Richard O’Brien, Andrew Vernon, Richard E. Chaisson, William R. Bishai, J Grosset	2003	242
12	The Need for New Drugs against Tuberculosis American Journal of Respiratory and Critical Care Medicine ·Richard O’Brien, Paul Nunn	2001	183
13	Antituberculosis Activity of Once-weekly Rifapentine-containing Regimens in Mice: Long-term Effectiveness with 6- and 8-Month Treatment Regimens American Journal of Respiratory and Critical Care Medicine ·Nathalie Daniel, Nacer Lounis, Baohong Ji, Richard O’Brien, Andrew Vernon, Lawrence Geiter, Mahtab Hamidpour, C. Truffot-Pernot, Л С Мартыненко, J Grosset	2000	26
14	Cultured motor neurons possess calcium-permeable AMPA/kainate receptors Neuroreport ·Osnat Bar-Peled, Richard O’Brien, John H. Morrison, Jeffrey D. Rothstein	1999	58
15	Once-weekly Rifapentine-containing Regimens for Treatment of Tuberculosis in Mice American Journal of Respiratory and Critical Care Medicine ·J Grosset, Nacer Lounis, C. Truffot-Pernot, Richard O’Brien, Mario Raviǵlione, Baohong Ji	1998	25
16	Activity-Dependent Modulation of Synaptic AMPA Receptor Accumulation Neuron ·Richard O’Brien, Sunjeev K. Kamboj, Michael Ehlers, Edgar Argulian, Gerald D. Fischbach, Richard L. Huganir Hit paper breakdown →	1998	554
17	The challenge of tuberculosis: statements on global control and prevention The Lancet ·Donald A. Enarson, J Grosset, Alwyn Mwinga, Earl S. Hershfield, Richard O’Brien, Stewart T. Cole, Lee B. Reichman	1995	34
18	Preventive Therapy of Tuberculosis with Rifapentine in Immunocompetent and Nude Mice American Journal of Respiratory and Critical Care Medicine ·Jansen de Araujo, Botao Ji, C. Truffot-Pernot, Richard O’Brien, Mario Raviǵlione, J Grosset	1994	32
19	Roentgenographic determination of total lung capacity: normal values from a National Population Survey. PubMed ·Richard O’Brien, T Drizd	1983	18
20	Vitamin B12 absorption studied by vascular perfusion of rat intestine. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich) ·Max Katz, Richard O’Brien	1979	6

About Richard O’Brien

Richard O’Brien is a scholar working on Psychiatry and Mental health, Infectious Diseases, Neurology, Physiology and Biological Psychiatry, having authored 151 papers that have together received 17.2k indexed citations. Recurring topics across this work include Tuberculosis Research and Epidemiology (39 papers), Dementia and Cognitive Impairment Research (33 papers), Alzheimer's disease research and treatments (31 papers), Mycobacterium research and diagnosis (26 papers), Neuroscience and Neuropharmacology Research (17 papers), Functional Brain Connectivity Studies (9 papers), Neuroinflammation and Neurodegeneration Mechanisms (7 papers) and Advanced Neuroimaging Techniques and Applications (7 papers). The work is most often cited by research in Cellular and Molecular Neuroscience (4.6k citations), Neurology (1.7k citations), Infectious Diseases (3.8k citations), Biological Psychiatry (476 citations) and Sensory Systems (788 citations). Richard O’Brien has collaborated with scholars based in United States, Switzerland and Canada. Frequent co-authors include Philip C. Wong, Richard L. Huganir, Susan M. Resnick, Alan B. Zonderman, Luigi Ferrucci, Paul Worley, Anthony A. Lanahan, Katherine W. Roche, Juan C. Troncoso and Yang An. Their work appears in journals such as American Journal of Respiratory and Critical Care Medicine, Alzheimer s & Dementia, Clinical Infectious Diseases, Journal of Neuroscience and Neurobiology of Aging.

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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