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Bijan Najafi
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Journal Articles

A 20-s Video-Based Assessment of Cognitive Frailty: Results from a Cohort Study within the Precision Aging Network

Available to Purchase
Subject Area:
Geriatrics and Gerontology
Bijan Najafi, Myeounggon Lee, Mohammad Dehghan Rouzi, J. Ray Runyon, Esther M. Sternberg, Bonnie J. LaFleur
Journal: Gerontology
Gerontology 589–600.
https://doi.org/10.1159/000546227
Published Online: 06 May 2025
View article titled, A 20-s Video-Based Assessment of Cognitive Frailty: Results from a Cohort Study within the Precision Aging Network
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Journal Articles

Decoding Precision Aging: The Intersection of Cognitive Decline, Frailty, and Hormonal Biomarkers

Available to Purchase
Subject Area:
Geriatrics and Gerontology
J. Ray Runyon, Mohammad Dehghan Rouzi, Myeounggon Lee, Cole Babbitt, David W. Tano, Diezel Cochenour, Esther M. Sternberg, Terrill Yuhas, Lisa White, Bijan Najafi, Bonnie J. LaFleur
Journal: Gerontology
Gerontology 564–575.
https://doi.org/10.1159/000546250
Published Online: 05 May 2025
View article titled, Decoding Precision Aging: The Intersection of Cognitive Decline, Frailty, and Hormonal Biomarkers
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Journal Articles

Assessing the Acceptability and Effectiveness of a Novel Therapeutic Footwear in Reducing Foot Pain and Improving Function among Older Adults: A Crossover Randomized Controlled Trial

Open Access
Subject Area:
Article Collection: Foot and Footwear Considerations for Older People , Geriatrics and Gerontology
MG Finco, Abderrahman Ouattas, Nesreen El-Refaei, Anmol Salim Momin, Mehrnaz Azarian, Bijan Najafi
Journal: Gerontology
Gerontology (2024) 70 (8): 842–854.
https://doi.org/10.1159/000539307
Published Online: 22 May 2024
View article titled, Assessing the Acceptability and Effectiveness of a Novel Therapeutic Footwear in Reducing Foot Pain and Improving Function among Older Adults: A Crossover Randomized Controlled Trial
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Journal Articles

Harnessing Speech-Derived Digital Biomarkers to Detect and Quantify Cognitive Decline Severity in Older Adults

Free
Subject Area:
Topic Article Package: IALP , Geriatrics and Gerontology
Gozde Cay, Valeria A. Pfeifer, Myeounggon Lee, Mohammad Dehghan Rouzi, Adonay S. Nunes, Nesreen El-Refaei, Anmol Salim Momin, Md Moin Uddin Atique, Matthias R. Mehl, Ashkan Vaziri, Bijan Najafi
Journal: Gerontology
Gerontology (2024) 70 (4): 429–438.
https://doi.org/10.1159/000536250
Published Online: 12 January 2024
View article titled, Harnessing Speech-Derived Digital Biomarkers to Detect and Quantify Cognitive Decline Severity in Older Adults
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Journal Articles

Sensor-Based Assessment of Variability in Daily Physical Activity and Frailty

Available to Purchase
Subject Area:
Karger e-Journal Backfile Collection 2023 , Geriatrics and Gerontology
Danya Pradeep Kumar, Bijan Najafi, Kaveh Laksari, Nima Toosizadeh
Journal: Gerontology
Gerontology (2023) 69 (9): 1147–1154.
https://doi.org/10.1159/000530900
Published Online: 10 May 2023
View article titled, Sensor-Based Assessment of Variability in Daily Physical Activity and Frailty
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Journal Articles

Dual-Task Upper Extremity Motor Performance Measured by Video Processing as Cognitive-Motor Markers for Older Adults

Available to Purchase
Subject Area:
Karger e-Journal Backfile Collection 2023 , Geriatrics and Gerontology
Changhong Wang, Mohsen Zahiri, Ashkan Vaziri, Bijan Najafi
Journal: Gerontology
Gerontology (2023) 69 (5): 650–656.
https://doi.org/10.1159/000528853
Published Online: 09 May 2023
View article titled, Dual-Task Upper Extremity Motor Performance Measured by Video Processing as Cognitive-Motor Markers for Older Adults
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Journal Articles

Care4AD: A Technology-Driven Platform for Care Coordination and Management: Acceptability Study in Dementia

Free
Subject Area:
Karger e-Journal Backfile Collection 2023 , Geriatrics and Gerontology
Ram Kinker Mishra, Catherine Park, Anmol Salim Momin, Nesreen El Rafaei, Mark Kunik, Michele K. York, Bijan Najafi
Journal: Gerontology
Gerontology (2023) 69 (2): 227–238.
https://doi.org/10.1159/000526219
Published Online: 07 February 2023
View article titled, Care4AD: A Technology-Driven Platform for Care Coordination and Management: Acceptability Study in Dementia
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Journal Articles

Harnessing Digital Health to Objectively Assess Functional Performance in Veterans with Chronic Obstructive Pulmonary Disease

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Subject Area:
Geriatrics and Gerontology
He Zhou, Catherine Park, Olia Poursina, Mohsen Zahiri, Hung Nguyen, Ilse Torres Ruiz, Christina K. Nguyen, Mon S. Bryant, Amir Sharafkhaneh, Venkata D. Bandi, Bijan Najafi
Journal: Gerontology
Gerontology (2022) 68 (7): 829–839.
https://doi.org/10.1159/000520401
Published Online: 29 November 2021
View article titled, Harnessing Digital Health to Objectively Assess Functional Performance in Veterans with Chronic Obstructive Pulmonary Disease
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Journal Articles

Digital Biomarkers of Cognitive Frailty: The Value of Detailed Gait Assessment Beyond Gait Speed

Available to Purchase
Subject Area:
Geriatrics and Gerontology
He Zhou, Catherine Park, Mohammad Shahbazi, Michele K. York, Mark E. Kunik, Aanand D. Naik, Bijan Najafi
Journal: Gerontology
Gerontology (2022) 68 (2): 224–233.
https://doi.org/10.1159/000515939
Published Online: 10 May 2021
View article titled, Digital Biomarkers of Cognitive Frailty: The Value of Detailed Gait Assessment Beyond Gait Speed
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Journal Articles

Evaluation of Motor and Cognitive Performance in People with Parkinson’s Disease Using Instrumented Trail-Making Test

Available to Purchase
Subject Area:
Geriatrics and Gerontology
Ram kinker Mishra, Catherine Park, He Zhou, Bijan Najafi, T. Adam Thrasher
Journal: Gerontology
Gerontology (2022) 68 (2): 234–240.
https://doi.org/10.1159/000515940
Published Online: 03 May 2021
View article titled, Evaluation of Motor and Cognitive Performance in People with Parkinson’s Disease Using Instrumented Trail-Making Test
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Journal Articles

A Wrist-Worn Sensor-Derived Frailty Index Based on an Upper-Extremity Functional Test in Predicting Functional Mobility in Older Adults

Available to Purchase
Subject Area:
Geriatrics and Gerontology
Gu Eon Kang, Aanand D. Naik, Ravi K. Ghanta, Todd K. Rosengart, Bijan Najafi
Journal: Gerontology
Gerontology (2021) 67 (6): 753–761.
https://doi.org/10.1159/000515078
Published Online: 01 April 2021
View article titled, A Wrist-Worn Sensor-Derived Frailty Index Based on an Upper-Extremity Functional Test in Predicting Functional Mobility in Older Adults
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Journal Articles

Mobility Performance in Community-Dwelling Older Adults: Potential Digital Biomarkers of Concern about Falling

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Subject Area:
Topic Article Package: Moksha , Geriatrics and Gerontology
Changhong Wang, Michelle Patriquin, Ashkan Vaziri, Bijan Najafi
Journal: Gerontology
Gerontology (2021) 67 (3): 365–373.
https://doi.org/10.1159/000512977
Published Online: 03 February 2021
View article titled, Mobility Performance in Community-Dwelling Older Adults: Potential Digital Biomarkers of Concern about Falling
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Journal Articles

Gait Test or No Gait Test: Do We Need Walking Assessment to Determine Physical Frailty?

Free
Subject Area:
Geriatrics and Gerontology
Bijan Najafi, He Zhou, Hung Nguyen
Journal: Gerontology
Gerontology (2019) 65 (3): 311–312.
https://doi.org/10.1159/000495984
Published Online: 24 January 2019
View article titled, Gait Test or No Gait Test: Do We Need Walking Assessment to Determine Physical Frailty?
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Journal Articles

Effectiveness of Daily Use of Bilateral Custom-Made Ankle-Foot Orthoses on Balance, Fear of Falling, and Physical Activity in Older Adults: A Randomized Controlled Trial

Open Access
Subject Area:
Geriatrics and Gerontology
Changhong Wang, Rahul Goel, Hadi Rahemi, Qianzi Zhang, Brian Lepow, Bijan Najafi
Journal: Gerontology
Gerontology (2019) 65 (3): 299–307.
https://doi.org/10.1159/000494114
Published Online: 30 November 2018
View article titled, Effectiveness of Daily Use of Bilateral Custom-Made Ankle-Foot Orthoses on Balance, Fear of Falling, and Physical Activity in Older Adults: A Randomized Controlled Trial
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Journal Articles

Instrumented Trail-Making Task: Application of Wearable Sensor to Determine Physical Frailty Phenotypes

Available to Purchase
Subject Area:
Topic Article Package: Moksha , Geriatrics and Gerontology
He Zhou, Javad Razjouyan, Debopriyo Halder, Anand D. Naik, Mark E. Kunik, Bijan Najafi
Journal: Gerontology
Gerontology (2019) 65 (2): 186–197.
https://doi.org/10.1159/000493263
Published Online: 25 October 2018
View article titled, Instrumented Trail-Making Task: Application of Wearable Sensor to Determine Physical Frailty Phenotypes
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Journal Articles

Designing Interiors to Mitigate Physical and Cognitive Deficits Related to Aging and to Promote Longevity in Older Adults: A Review

Available to Purchase
Subject Area:
Geriatrics and Gerontology
Altaf Engineer, Esther M. Sternberg, Bijan Najafi
Journal: Gerontology
Gerontology (2018) 64 (6): 612–622.
https://doi.org/10.1159/000491488
Published Online: 21 August 2018
View article titled, Designing Interiors to Mitigate Physical and Cognitive Deficits Related to Aging and to Promote Longevity in Older Adults: A Review
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Journal Articles

Toward Using a Smartwatch to Monitor Frailty in a Hospital Setting: Using a Single Wrist-Wearable Sensor to Assess Frailty in Bedbound Inpatients

Available to Purchase
Subject Area:
Topic Article Package: Moksha , Geriatrics and Gerontology
Hyoki Lee, Bellal Joseph, Ana Enriquez, Bijan Najafi
Journal: Gerontology
Gerontology (2018) 64 (4): 389–400.
https://doi.org/10.1159/000484241
Published Online: 25 November 2017
View article titled, Toward Using a Smartwatch to Monitor Frailty in a Hospital Setting: Using a Single Wrist-Wearable Sensor to Assess Frailty in Bedbound Inpatients
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Journal Articles

Effects of Wearable Sensor-Based Balance and Gait Training on Balance, Gait, and Functional Performance in Healthy and Patient Populations: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

Available to Purchase
Subject Area:
Geriatrics and Gerontology
Katharina Gordt, Thomas Gerhardy, Bijan Najafi, Michael Schwenk
Journal: Gerontology
Gerontology (2017) 64 (1): 74–89.
https://doi.org/10.1159/000481454
Published Online: 01 November 2017
View article titled, Effects of Wearable Sensor-Based Balance and Gait Training on Balance, Gait, and Functional Performance in Healthy and Patient Populations: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
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Journal Articles

Upper-Extremity Function Predicts Adverse Health Outcomes among Older Adults Hospitalized for Ground-Level Falls

Available to Purchase
Subject Area:
Geriatrics and Gerontology
Bellal Joseph, Nima Toosizadeh, Tahereh Orouji Jokar, Michelle R. Heusser, Jane Mohler, Bijan Najafi
Journal: Gerontology
Gerontology (2017) 63 (4): 299–307.
https://doi.org/10.1159/000453593
Published Online: 01 April 2017
View article titled, Upper-Extremity Function Predicts Adverse Health Outcomes among Older Adults Hospitalized for Ground-Level Falls
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Journal Articles

Postural Transitions during Activities of Daily Living Could Identify Frailty Status: Application of Wearable Technology to Identify Frailty during Unsupervised Condition

Available to Purchase
Subject Area:
Geriatrics and Gerontology
Saman Parvaneh, Jane Mohler, Nima Toosizadeh, Gurtej Singh Grewal, Bijan Najafi
Journal: Gerontology
Gerontology (2017) 63 (5): 479–487.
https://doi.org/10.1159/000460292
Published Online: 11 March 2017
View article titled, Postural Transitions during Activities of Daily Living Could Identify Frailty Status: Application of Wearable Technology to Identify Frailty during Unsupervised Condition
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