R. Stewart Longman

1.8k total citations
34 papers, 1.4k citations indexed

About

R. Stewart Longman is a scholar working on Physiology, Cardiology and Cardiovascular Medicine and Psychiatry and Mental health. According to data from OpenAlex, R. Stewart Longman has authored 34 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 10 papers in Physiology, 8 papers in Cardiology and Cardiovascular Medicine and 8 papers in Psychiatry and Mental health. Recurrent topics in R. Stewart Longman's work include Dementia and Cognitive Impairment Research (7 papers), Nutritional Studies and Diet (4 papers) and Heart Rate Variability and Autonomic Control (4 papers). R. Stewart Longman is often cited by papers focused on Dementia and Cognitive Impairment Research (7 papers), Nutritional Studies and Diet (4 papers) and Heart Rate Variability and Autonomic Control (4 papers). R. Stewart Longman collaborates with scholars based in Canada, Australia and United States. R. Stewart Longman's co-authors include Albert A. Cota, Marc J. Poulin, Ronald R. Holden, G. Cynthia Fekken, David B. Hogan, Gail A. Eskes, Michael D. Hill, Margie H. Davenport, Amanda V. Tyndall and Christine M. Friedenreich and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Neurology.

In The Last Decade

R. Stewart Longman

31 papers receiving 1.3k citations

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
R. Stewart Longman Canada	17	238	237	222	194	184	34	1.4k
Jean-Louis Horn United States	26	145 0.6×	106 0.4×	285 1.3×	366 1.9×	164 0.9×	68	2.5k
Lawrence C. Perlmuter United States	24	272 1.1×	254 1.1×	286 1.3×	192 1.0×	325 1.8×	70	2.1k
Lorna M. Houlihan United Kingdom	11	170 0.7×	305 1.3×	84 0.4×	271 1.4×	299 1.6×	14	1.4k
Regina L. Leckie United States	9	247 1.0×	222 0.9×	133 0.6×	102 0.5×	335 1.8×	17	1.1k
Flora Colledge Switzerland	24	435 1.8×	121 0.5×	165 0.7×	319 1.6×	175 1.0×	75	1.7k
Daniele Magistro United Kingdom	21	255 1.1×	230 1.0×	56 0.3×	252 1.3×	317 1.7×	101	1.6k
Tao Huang China	21	511 2.1×	362 1.5×	251 1.1×	175 0.9×	266 1.4×	77	2.1k
Nadine Correia Santos Portugal	26	205 0.9×	376 1.6×	94 0.4×	212 1.1×	493 2.7×	68	1.8k
Caroline N. Harada United States	9	247 1.0×	409 1.7×	96 0.4×	157 0.8×	374 2.0×	12	1.6k
Qian Yu China	24	281 1.2×	201 0.8×	122 0.5×	337 1.7×	322 1.8×	75	1.9k

Countries citing papers authored by R. Stewart Longman

Since Specialization

Citations

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

Fields of papers citing papers by R. Stewart Longman

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by R. Stewart Longman. 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 R. Stewart Longman. The network helps show where R. Stewart Longman may publish in the future.

Co-authorship network of co-authors of R. Stewart Longman

This figure shows the co-authorship network connecting the top 25 collaborators of R. Stewart Longman. A scholar is included among the top collaborators of R. Stewart Longman 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 R. Stewart Longman. R. Stewart Longman 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

Pun, Matiram, A. M. Clarke, Alison Donald, et al.. (2025). Age-related changes in sleep architecture: Effects of body mass index, sex, and mental health in community-dwelling adults using at-home polysomnography. Sleep Medicine. 133. 106629–106629.

Sah, Rani Gupta, Meng Wang, Eric E. Smith, et al.. (2023). Arterial spin labelling reveals multi-regional cerebral hypoperfusion in patients with transient ischemic attack that are unrelated to ischemia location: A proof-of-concept study. SHILAP Revista de lepidopterología. 4. 100164–100164.

Pun, Matiram, Veronica Guadagni, R. Stewart Longman, et al.. (2023). Sex differences in the association of sleep spindle density and cognitive performance among community‐dwelling middle‐aged and older adults with obstructive sleep apnea. Journal of Sleep Research. 33(4). e14095–e14095. 1 indexed citations

Krüger, Renata Lopes, Cameron M. Clark, Todd J. Anderson, et al.. (2021). The Brain in Motion II Study: study protocol for a randomized controlled trial of an aerobic exercise intervention for older adults at increased risk of dementia. Trials. 22(1). 394–394. 3 indexed citations

Guadagni, Veronica, Lauren L. Drogos, Amanda V. Tyndall, et al.. (2020). Aerobic exercise improves cognition and cerebrovascular regulation in older adults. Neurology. 94(21). e2245–e2257. 109 indexed citations

Guadagni, Veronica, Amanda V. Tyndall, Jillian S. Parboosingh, et al.. (2020). Association of sleep spindle characteristics with executive functioning in healthy sedentary middle‐aged and older adults. Journal of Sleep Research. 30(2). e13037–e13037. 25 indexed citations

Tyndall, Amanda V., R. Stewart Longman, Tolulope T. Sajobi, et al.. (2020). Genetic Risk, Vascular Function, and Subjective Cognitive Complaints Predict Objective Cognitive Function in Healthy Older Adults: Results From the Brain in Motion Study. Frontiers in Integrative Neuroscience. 14. 571683–571683. 5 indexed citations

Tariq, Sana, Adrian Tsang, Meng Wang, et al.. (2020). White matter tract microstructure and cognitive performance after transient ischemic attack. PLoS ONE. 15(10). e0239116–e0239116. 9 indexed citations

Tyndall, Amanda V., Cameron M. Clark, Todd J. Anderson, et al.. (2018). Protective Effects of Exercise on Cognition and Brain Health in Older Adults. Exercise and Sport Sciences Reviews. 46(4). 215–223. 73 indexed citations

10.

Tariq, Sana, Christopher D. d’Esterre, Tolulope T. Sajobi, et al.. (2018). A longitudinal magnetic resonance imaging study of neurodegenerative and small vessel disease, and clinical cognitive trajectories in non demented patients with transient ischemic attack: the PREVENT study. BMC Geriatrics. 18(1). 163–163. 16 indexed citations

11.

Csizmadi, Ilona, Christine M. Friedenreich, Tolulope T. Sajobi, et al.. (2017). Association between glycemic load and cognitive function in community-dwelling older adults: Results from the Brain in Motion study. Clinical Nutrition. 37(5). 1690–1699. 14 indexed citations

12.

Gill, Stephanie, Christine M. Friedenreich, Tolulope T. Sajobi, et al.. (2015). Association between Lifetime Physical Activity and Cognitive Functioning in Middle-Aged and Older Community Dwelling Adults: Results from theBrain in MotionStudy. Journal of the International Neuropsychological Society. 21(10). 816–830. 55 indexed citations

13.

Pasieka, Janice L., et al.. (2013). Cognitive Impairment Associated With Carcinoid Syndrome. Annals of Surgery. 259(2). 355–359. 16 indexed citations

14.

Tyndall, Amanda V., Margie H. Davenport, Ben Wilson, et al.. (2013). The brain-in-motion study: effect of a 6-month aerobic exercise intervention on cerebrovascular regulation and cognitive function in older adults. BMC Geriatrics. 13(1). 21–21. 59 indexed citations

15.

Brown, Allison, Carly A. McMorris, R. Stewart Longman, et al.. (2008). Effects of cardiorespiratory fitness and cerebral blood flow on cognitive outcomes in older women. Neurobiology of Aging. 31(12). 2047–2057. 185 indexed citations

16.

Cota, Albert A., R. Stewart Longman, Charles R. Evans, Kenneth L. Dion, & Lindy A. Kilik. (1995). Using and misusing factor analysis to explore group cohesion. Journal of Clinical Psychology. 51(2). 308–316. 20 indexed citations

17.

Longman, R. Stewart, James Inglis, & J. S. Lawson. (1991). WISC—R patterns of cognitive abilities in behavior disordered and learning disabled children.. Psychological Assessment. 3(2). 239–246. 6 indexed citations

18.

Cota, Albert A., R. Stewart Longman, Ronald R. Holden, & G. Cynthia Fekken. (1991). Anomalies in the Allen and Hubbard Parallel Analysis Procedure. Applied Psychological Measurement. 15(1). 95–97. 5 indexed citations

19.

Longman, R. Stewart, Albert A. Cota, Ronald R. Holden, & G. Cynthia Fekken. (1989). PAM: A double-precision FORTRAN routine for the parallel analysis method in principal components analysis. Behavior Research Methods, Instruments, & Computers. 21(4). 477–480. 18 indexed citations

20.

Longman, R. Stewart, Albert A. Cota, Ronald R. Holden, & G. Cynthia Fekken. (1989). A Regression Equation for the Parallel Analysis Criterion in Principal Components Analysis: Mean and 95th Percentile Eigenvalues. Multivariate Behavioral Research. 24(1). 59–69. 216 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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