Keith A. Johnson

53.8k total citations · 12 hit papers
419 papers, 26.1k citations indexed

About

Keith A. Johnson is a scholar working on Psychiatry and Mental health, Physiology and Cognitive Neuroscience. According to data from OpenAlex, Keith A. Johnson has authored 419 papers receiving a total of 26.1k indexed citations (citations by other indexed papers that have themselves been cited), including 262 papers in Psychiatry and Mental health, 175 papers in Physiology and 131 papers in Cognitive Neuroscience. Recurrent topics in Keith A. Johnson's work include Dementia and Cognitive Impairment Research (253 papers), Alzheimer's disease research and treatments (168 papers) and Functional Brain Connectivity Studies (113 papers). Keith A. Johnson is often cited by papers focused on Dementia and Cognitive Impairment Research (253 papers), Alzheimer's disease research and treatments (168 papers) and Functional Brain Connectivity Studies (113 papers). Keith A. Johnson collaborates with scholars based in United States, Australia and Netherlands. Keith A. Johnson's co-authors include Reisa A. Sperling, Dorene M. Rentz, Trey Hedden, Aaron P. Schultz, J. Alex Becker, Randy L. Buckner, Jorge Sepulcre, Gad A. Marshall, Elizabeth C. Mormino and Rebecca E. Amariglio and has published in prestigious journals such as New England Journal of Medicine, Proceedings of the National Academy of Sciences and Nature Medicine.

In The Last Decade

Keith A. Johnson

404 papers receiving 25.7k citations

Hit Papers

5 papers align trajectories

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.

Cortical Hubs Revealed by Intrinsic Functional Connectivity: Mapping, Assessment of Stability, and Relation to Alzheimer's Disease

2009 2.3k citations Randy L. Buckner, Jorge Sepulcre et al. Journal of Neuroscience profile →
A/T/N: An unbiased descriptive classification scheme for Alzheimer disease biomarkers

2016 1.2k citations David A. Bennett, Kaj Blennow et al. Neurology profile →
Amyloid Deposition Is Associated with Impaired Default Network Function in Older Persons without Dementia

2009 777 citations Reisa A. Sperling, Dorene M. Rentz et al. profile →
The Centiloid Project: Standardizing quantitative amyloid plaque estimation by PET

2014 690 citations Julie C. Price, Keith A. Johnson et al. profile →
The Evolution of Preclinical Alzheimer’s Disease: Implications for Prevention Trials

2014 531 citations Reisa A. Sperling, Elizabeth C. Mormino et al. profile →
The A4 Study: Stopping AD Before Symptoms Begin?

2014 519 citations Reisa A. Sperling, Dorene M. Rentz et al. Science Translational Medicine profile →
Validating novel tau positron emission tomography tracer [F‐18]‐AV‐1451 (T807) on postmortem brain tissue

2015 450 citations Marc D. Normandin, Bradford C. Dickerson et al. Annals of Neurology profile →
CD33 Alzheimer's disease locus: altered monocyte function and amyloid biology

2013 439 citations Lori B. Chibnik, Keith A. Johnson et al. profile →
Appropriate use criteria for amyloid PET: A report of the Amyloid Imaging Task Force, the Society of Nuclear Medicine and Molecular Imaging, and the Alzheimer's Association

2013 402 citations Keith A. Johnson et al. profile →
Association of Factors With Elevated Amyloid Burden in Clinically Normal Older Individuals

2020 201 citations Reisa A. Sperling, Keith A. Johnson et al. profile →
The AHEAD 3‐45 Study: Design of a prevention trial for Alzheimer's disease

2022 130 citations Reisa A. Sperling, Keith A. Johnson et al. profile →
Updated appropriate use criteria for amyloid and tau PET: A report from the Alzheimer's Association and Society for Nuclear Medicine and Molecular Imaging Workgroup

2025 29 citations Oskar Hansson, Julie C. Price et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Keith A. Johnson United States	78	13.2k	12.3k	9.8k	4.6k	3.4k	419	26.1k
Giovanni B. Frisoni Italy	85	12.4k 0.9×	10.6k 0.9×	10.5k 1.1×	5.0k 1.1×	4.3k 1.3×	545	30.4k
Prashanthi Vemuri United States	76	12.0k 0.9×	10.8k 0.9×	6.8k 0.7×	4.3k 0.9×	3.2k 1.0×	336	22.1k
Bill Thies United States	6	16.2k 1.2×	11.8k 1.0×	6.9k 0.7×	2.9k 0.6×	4.4k 1.3×	7	26.7k
Joel H. Kramer United States	90	11.8k 0.9×	7.8k 0.6×	10.4k 1.1×	3.8k 0.8×	3.8k 1.1×	473	28.9k
Stephen D. Weigand United States	81	12.0k 0.9×	12.3k 1.0×	6.1k 0.6×	4.7k 1.0×	3.9k 1.2×	220	24.7k
Wiesje M. van der Flier Netherlands	96	16.8k 1.3×	14.6k 1.2×	8.1k 0.8×	4.8k 1.0×	6.8k 2.0×	799	34.6k
Robert J. Ivnik United States	82	19.8k 1.5×	12.3k 1.0×	9.9k 1.0×	4.0k 0.9×	4.6k 1.4×	210	33.0k
María C. Carrillo United States	48	20.8k 1.6×	16.4k 1.3×	8.2k 0.8×	3.7k 0.8×	5.9k 1.7×	169	36.6k
Matthew L. Senjem United States	79	10.5k 0.8×	10.5k 0.9×	6.9k 0.7×	4.9k 1.1×	2.8k 0.8×	321	20.4k
Victor L. Villemagne Australia	81	11.4k 0.9×	14.4k 1.2×	5.4k 0.6×	3.9k 0.8×	3.5k 1.0×	538	26.2k

Countries citing papers authored by Keith A. Johnson

Since Specialization

Citations

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

Fields of papers citing papers by Keith A. Johnson

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Keith A. Johnson. 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 Keith A. Johnson. The network helps show where Keith A. Johnson may publish in the future.

Co-authorship network of co-authors of Keith A. Johnson

This figure shows the co-authorship network connecting the top 25 collaborators of Keith A. Johnson. A scholar is included among the top collaborators of Keith A. Johnson 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 Keith A. Johnson. Keith A. Johnson 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

Buckley, Rachel F., Gad A. Marshall, Patrizia Vannini, et al.. (2024). Associations Between Self and Study Partner Report of Cognitive Decline With Regional Tau in a Multicohort Study. Neurology. 102(12). e209447–e209447. 3 indexed citations

Liu, Xiaofeng, et al.. (2024). Cross noise level PET denoising with continuous adversarial domain generalization. Physics in Medicine and Biology. 69(8). 85001–85001. 2 indexed citations

Ye, Rong, Joseph J. Locascio, Michael J Properzi, et al.. (2024). Differential Vulnerability of Hippocampal Subfields to Amyloid and Tau Deposition in the Lewy Body Diseases. Neurology. 102(12). e209460–e209460. 6 indexed citations

Lam, Alice, Danielle V. Mayblyum, Stephanie Hsieh, et al.. (2024). Association of Seizure Foci and Location of Tau and Amyloid Deposition and Brain Atrophy in Patients With Alzheimer Disease and Seizures. Neurology. 103(9). e209920–e209920. 9 indexed citations

Young, Christina B., Gabriel Kennedy, Michaël E. Belloy, et al.. (2023). APOE effects on regional tau in preclinical Alzheimer’s disease. Molecular Neurodegeneration. 18(1). 1–1. 31 indexed citations

Papp, Kathryn V., Roos J. Jutten, Daniel Soberanes, et al.. (2023). Early Detection of Amyloid‐Related Changes in Memory among Cognitively Unimpaired Older Adults with Daily Digital Testing. Annals of Neurology. 95(3). 507–517. 23 indexed citations

Young, Christina B., Elizabeth C. Mormino, Kathleen L. Poston, et al.. (2023). Computerized cognitive practice effects in relation to amyloid and tau in preclinical Alzheimer's disease: Results from a multi‐site cohort. Alzheimer s & Dementia Diagnosis Assessment & Disease Monitoring. 15(1). e12414–e12414. 8 indexed citations

Egroo, Maxime Van, Joost M. Riphagen, Nicholas J. Ashton, et al.. (2023). Ultra-high field imaging, plasma markers and autopsy data uncover a specific rostral locus coeruleus vulnerability to hyperphosphorylated tau. Molecular Psychiatry. 28(6). 2412–2422. 23 indexed citations

Yang, Hyun‐Sik, Daniel W. Kang, Vilas Menon, et al.. (2023). Cell-type-specific Alzheimer’s disease polygenic risk scores are associated with distinct disease processes in Alzheimer’s disease. Nature Communications. 14(1). 7659–7659. 16 indexed citations

10.

Montal, Víctor, Ibai Díez, Chan Mi Kim, et al.. (2022). Network Tau spreading is vulnerable to the expression gradients of APOE and glutamatergic-related genes. Science Translational Medicine. 14(655). eabn7273–eabn7273. 28 indexed citations

11.

Meisl, Georg, Kieren Allinson, Timothy Rittman, et al.. (2021). In vivo rate-determining steps of tau seed accumulation in Alzheimer’s disease. Science Advances. 7(44). eabh1448–eabh1448. 74 indexed citations

12.

Schoemaker, Dorothée, Andreas Charidimou, Maria Clara Zanon Zotin, et al.. (2021). Association of Memory Impairment With Concomitant Tau Pathology in Patients With Cerebral Amyloid Angiopathy. Neurology. 96(15). e1975–e1986. 19 indexed citations

13.

Jacobs, Heidi I.L., J. Alex Becker, Kenneth K. Kwong, et al.. (2021). In vivo and neuropathology data support locus coeruleus integrity as indicator of Alzheimer’s disease pathology and cognitive decline. Science Translational Medicine. 13(612). eabj2511–eabj2511. 130 indexed citations

14.

Song, Tzu-An, Fan Yang, Samadrita Roy Chowdhury, et al.. (2019). PET Image Deblurring and Super-Resolution With an MR-Based Joint Entropy Prior. IEEE Transactions on Computational Imaging. 5(4). 530–539. 26 indexed citations

15.

Buckley, Rachel F., Aaron P. Schultz, Trey Hedden, et al.. (2017). Functional network integrity presages cognitive decline in preclinical Alzheimer disease. Neurology. 89(1). 29–37. 72 indexed citations

16.

Hedden, Trey, Elizabeth C. Mormino, Rebecca E. Amariglio, et al.. (2012). Cognitive Profile of Amyloid Burden and White Matter Hyperintensities in Cognitively Normal Older Adults. Journal of Neuroscience. 32(46). 16233–16242. 148 indexed citations

17.

Hedden, Trey, Koene R. A. Van Dijk, J. Alex Becker, et al.. (2009). Disruption of Functional Connectivity in Clinically Normal Older Adults Harboring Amyloid Burden. Journal of Neuroscience. 29(40). 12686–12694. 456 indexed citations

18.

Buckner, Randy L., Jorge Sepulcre, Tanveer Talukdar, et al.. (2009). Cortical Hubs Revealed by Intrinsic Functional Connectivity: Mapping, Assessment of Stability, and Relation to Alzheimer's Disease. Journal of Neuroscience. 29(6). 1860–1873. 2262 indexed citations breakdown →

19.

Wright, Richard, Edward Flemming, & Keith A. Johnson. (2004). Response to Whalen et al. Language. 80(4). 646–648. 12 indexed citations

20.

Holman, B. Leonard, R.E. Zimmerman, Keith A. Johnson, et al.. (1991). Computer-assisted superimposition of magnetic resonance and high-resolution technetium-99m-HMPAO and thallium-201 SPECT images of the brain.. PubMed. 32(8). 1478–84. 63 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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