Publications by authors named "Keith A Johnson"

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Development, initial validation, and application of a visual read method for [F]MK-6240 tau PET.
Joanna L Shuping, Dawn C Matthews, Katarzyna Adamczuk, David Scott, Christopher C Rowe, William C Kreisl, Sterling C Johnson, Ana S Lukic, Keith A Johnson, Pedro Rosa-Neto

Alzheimers Dement (N Y)· February 2023

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Living Alone, Early Tau Pathology, and Loneliness in Cognitively Unimpaired Older Adults During the COVID-19 Pandemic.
Benjamin S Zide, Geoffroy Gagliardi, Heidi I L Jacobs, Jennifer R Gatchel, Yakeel T Quiroz, Keith A Johnson

Am J Geriatr Psychiatry· January 2026

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Physical activity as a modifiable risk factor in preclinical Alzheimer's disease.
Wai-Ying Wendy Yau, Dylan R Kirn, Jennifer S Rabin, Michael J Properzi, Aaron P Schultz, Keith A Johnson

Nat Med· December 2025

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Association of Platelet Aggregation With Markers of Alzheimer Disease Pathology in Middle-Aged Participants of the Framingham Heart Study.
Jaime Ramos-Cejudo, Alexa S Beiser, Sophia Lu, Jeremy A Tanner, Matthew R Scott, Keith A Johnson, Andrew D Johnson

Neurology· November 2025

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Higher Amyloid and Tau Burden Is Associated With Faster Decline on a Digital Cognitive Test.
Jessie Fanglu Fu, Talia Robinson, Marina Rodriguez Alonso, Adela Francis Malave, Roos J Jutten, Keith A Johnson

Ann Clin Transl Neurol· November 2025

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Blood-based Transcriptomics Reveal Sex- and Amyloid-Modulated Biology of Plasma pTau217 in Preclinical Alzheimer's Disease.
Mabel Seto, Hannah M Klinger, Michelle Clifton, Vaibhav A Janve, Jane A Brown, Keith A Johnson

bioRxiv· November 2025

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A steep decline in diastolic blood pressure over early to mid-life is associated with tau-PET burden in dementia-free adults.
Martin Mulligan, Alexa S Beiser, Adrienne O'Donnell, Ayantika Banerjee, Saptaparni Ghosh, Keith A Johnson

J Alzheimers Dis· October 2025

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Using memory recall response time on digital cognitive testing to detect subtle cognitive changes among cognitively unimpaired older adults.
Hairin Kim, Roos J Jutten, Daniel Soberanes, Mark A Dubbelman, Lia D'Aquila, Keith A Johnson

Alzheimers Dement· October 2025

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Midlife Steroid-Binding Globulin Levels and In Vivo Neuroimaging Measures of Tau in Older Men and Women.
Rachel F Buckley, Matthew Scott, Emer R McGrath, Gillian Coughlan, Mabel Seto, Keith A Johnson

Ann Neurol· September 2025

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Estimating the preclinical Alzheimer's disease course with multimodal data.
Diana L Townsend, Michael J Properzi, Tobey J Betthauser, Hannah M Klinger, Rory Boyle, Keith A Johnson

Alzheimers Dement· September 2025

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Multimodal prognostic modeling of individual cognitive trajectories to enhance trial efficiency in preclinical Alzheimer's disease.
Viswanath Devanarayan, Michael C Donohue, Reisa A Sperling, Keith A Johnson, Yuanqing Ye

Alzheimers Dement· September 2025

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Lower locus coeruleus integrity is associated with diminished practice effects in clinically unimpaired older individuals.
Lindsay F Smegal, Marion Baillet, Christoph Schneider, Roos J Jutten, Rory Boyle, Keith A Johnson

Neurobiol Aging· August 2025

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Tau PET positivity in individuals with and without cognitive impairment varies with age, amyloid-β status, APOE genotype and sex.
Rik Ossenkoppele, Emma M Coomans, Liana G Apostolova, Suzanne L Baker, Henryk Barthel, Keith A Johnson, Sterling C Johnson

Nat Neurosci· August 2025

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The Mobile Toolbox for remote, self-administered cognitive assessment in older adults: associations with in-clinic cognitive testing and Alzheimer's disease biomarkers.
Roos J Jutten, Jessa E Burling, Elliott Slade, Jackson C Thompson, Jessie Fanglu Fu, Keith A Johnson

Alzheimers Dement (Amst)· August 2025

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Assessing Stages of Objective Memory Impairment and neuroimaging as risk factors of incident cognitive impairment.
Kellen K Petersen, Ali Ezzati, Bhargav T Nallapu, Richard B Lipton, Reisa A Sperling, Keith A Johnson

J Int Neuropsychol Soc· August 2025

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Frequency and Clinical Outcomes Associated With Tau Positron Emission Tomography Positivity.
Alexis Moscoso, Fiona Heeman, Sheelakumari Raghavan, Alejandro Costoya-Sánchez, Martijn van Essen, Keith A Johnson

JAMA· July 2025

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Joint spatial associations of amyloid beta and tau pathology in Down syndrome and preclinical Alzheimer's disease: Cross-sectional associations with early cognitive impairments.
Jessie Fanglu Fu, Arun Garimella, Alex Lapointe, William W T Aye, Charles D Chen, Keith A Johnson

Alzheimers Dement· July 2025

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BrainAge moderates associations between Alzheimer's disease biomarkers and cognitive decline: a meta-analysis across A4/LEARN, HABS and ADNI cohorts.
Jorge Garcia Condado, Hannah M Klinger, Colin Birkenbihl, Madison Cuppels, Annie Liu, Keith A Johnson

medRxiv· July 2025

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Relationship between BrainAge Polygenetic Risk Score and plasma biomarkers in the A4/LEARN studies.
Jorge Garcia Condado, Mabel Seto, Madison Cuppels, Colin Birkenbihl, Hannah M Klinger, Keith A Johnson

medRxiv· July 2025

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DUAL PROMPTING FOR DIVERSE COUNT-LEVEL PET DENOISING.
Xiaofeng Liu, Yongsong Huang, Thibault Marin, Samira Vafay Eslahi, Amal Tiss, Keith A Johnson

ArXiv· May 2025

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Elevated serum cortisol associated with early-detected increase of brain amyloid deposition in Alzheimer's disease imaging biomarkers among menopausal women: The Framingham Heart Study.
Arash Salardini, Jayandra J Himali, Muhammad S Abdullah, Rima Chaudhari, Vanessa Young, Keith A Johnson

Alzheimers Dement· April 2025

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DUAL PROMPTING FOR DIVERSE COUNT-LEVEL PET DENOISING.
Xiaofeng Liu, Yongsong Huang, Thibault Marin, Samira Vafay Eslahi, Amal Tiss, Keith A Johnson

Proc IEEE Int Symp Biomed Imaging· April 2025

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Sex Differences in Longitudinal Tau-PET in Preclinical Alzheimer Disease: A Meta-Analysis.
Gillian T Coughlan, Hannah M Klinger, Rory Boyle, Tobey J Betthauser, Alexa Pichet Binette, Keith A Johnson, Sterling C Johnson

JAMA Neurol· March 2025

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Using remote, digital, multi-day testing to characterize long-term forgetting in cognitively unimpaired older adults.
Cassidy P Molinare, Daniel Soberanes, Mark Dubbelman, Stephanie Hsieh, Keith A Johnson

Alzheimers Dement· March 2025

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Box of Lessons: An Open Educational Resource for Exploring Biomolecular Structure and Function.
Alexandra S Pettit, Keith A Johnson, Brian Gadd, Shuchismita Dutta

J Coll Sci Teach· March 2025

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Test-retest performance of [ F]MK-6240 tau burden and relative delivery indices in cognitively normal older subjects using PET/MRI.
Cristina Lois, Jessie Fanglu Fu, Andrew N Salvatore, Arun H Garimella, Derek Huell, Keith A Johnson

Imaging Neurosci (Camb)· December 2024

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