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Samantha E John

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Articles 26
Citations 174
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Recent Articles
1.
Goodwin G, Briley D, Singsank K, Tanner D, Maloy-Robertson M, John S
J Int Neuropsychol Soc . 2025 Jan; :1-10. PMID: 39817315
Objective: Neuropsychiatric symptoms (NPS) are considered diagnostic and prognostic indicators of dementia and are attributable to neurodegenerative processes. Little is known about the prognostic value of early NPS on executive...
2.
Miller J, Wong C, Caldwell J, Rodrigues J, Pudumjee S, John S, et al.
Front Dement . 2024 Jul; 2:1236039. PMID: 39081981
Introduction: Rural-dwelling older adults face unique health challenges that may increase risk for Alzheimer's disease and dementia but are underrepresented in aging research. Here, we present an initial characterization of...
3.
Goodwin G, Moeller S, Nguyen A, Cummings J, John S
Alzheimers Res Ther . 2023 Aug; 15(1):135. PMID: 37568209
Background: Neuropsychiatric symptoms due to Alzheimer's disease (AD) and mild cognitive impairment (MCI) can decrease quality of life for patients and increase caregiver burden. Better characterization of neuropsychiatric symptoms and...
4.
Longhurst J, Rider J, Cummings J, John S, Poston B, Landers M
Gait Posture . 2023 Jul; 105:58-74. PMID: 37487365
Background: Cognitive-motor interference (CMI) is a common deficit in Alzheimer's (AD) disease and Parkinson's disease (PD) and may have utility in identification of prodromal neurodegeneration. There is lack of consensus...
5.
Medina L, Woods S, Mullen R, John S, Kunik M, Pressman P, et al.
Alzheimers Dement (N Y) . 2023 May; 9(2):e12390. PMID: 37228576
Introduction: Hispanics/Latinos (H/Ls) are significantly underrepresented in Alzheimer's disease (AD) research participant samples. This exclusion limits our interpretation of research findings and understanding of the causes of brain health disparities....
6.
Goodwin G, Moeller S, Nguyen A, Cummings J, John S
Res Sq . 2023 May; PMID: 37163090
Neuropsychiatric symptoms due to Alzheimer's disease (AD) and mild cognitive impairment (MCI) can decrease quality of life for patients and increase caregiver burden. Better characterization of neuropsychiatric symptoms and methods...
7.
Lawrence E, John S, Bhatta T
Alzheimers Dement (Amst) . 2023 May; 15(2):e12429. PMID: 37124156
Introduction: Prior research has shown disparities in cognitive functioning across the rural-urban continuum. We examine individual- and contextual-level factors to understand how and why urbanicity shapes cognitive functioning across older...
8.
Longhurst J, Sreenivasan K, Kim J, Cummings J, John S, Poston B, et al.
Exp Brain Res . 2023 Apr; 241(6):1489-1499. PMID: 37085647
Alzheimer's disease (AD) is characterized by a distinct pattern of cortical thinning and resultant changes in cognition and function. These result in prominent deficits in cognitive-motor automaticity. The relationship between...
9.
Goodwin G, John S, Donohue B, Keene J, Kuwabara H, Maietta J, et al.
Brain Sci . 2023 Feb; 13(2). PMID: 36831720
Objective: High school athletes are administered ImPACT at the start of the academic year or sport season and again after suspected concussion. Concussion management involves the comparison of baseline and...
10.
Becker Wright M, Ahmed A, Barchard K, Benning S, John S, Allen D
Schizophr Res . 2022 Nov; 250:127-133. PMID: 36403294
Studies comparing the cognitive functioning of men and women with schizophrenia have produced conflicting results which could arise from sex-based differences in the latent structure of cognitive abilities. The current...