Nicholas P. Ryan

1.8k total citations
51 papers, 1.2k citations indexed

About

Nicholas P. Ryan is a scholar working on Epidemiology, Pediatrics, Perinatology and Child Health and Emergency Medicine. According to data from OpenAlex, Nicholas P. Ryan has authored 51 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 36 papers in Epidemiology, 20 papers in Pediatrics, Perinatology and Child Health and 18 papers in Emergency Medicine. Recurrent topics in Nicholas P. Ryan's work include Traumatic Brain Injury Research (36 papers), Cardiac Arrest and Resuscitation (17 papers) and Traumatic Brain Injury and Neurovascular Disturbances (12 papers). Nicholas P. Ryan is often cited by papers focused on Traumatic Brain Injury Research (36 papers), Cardiac Arrest and Resuscitation (17 papers) and Traumatic Brain Injury and Neurovascular Disturbances (12 papers). Nicholas P. Ryan collaborates with scholars based in Australia, Canada and United States. Nicholas P. Ryan's co-authors include Jan Pryor, Paul E. Jose, Cathy Catroppa, Vicki Anderson, Miriam H. Beauchamp, Louise Crossley, Stephen Hearps, Celia Godfrey, Timothy J. Silk and Keith Owen Yeates and has published in prestigious journals such as SHILAP Revista de lepidopterología, Stroke and Neuroscience & Biobehavioral Reviews.

In The Last Decade

Nicholas P. Ryan

43 papers receiving 1.2k citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Nicholas P. Ryan Australia 19 645 308 303 300 244 51 1.2k
Celia Godfrey Australia 26 1.3k 1.9× 437 1.4× 692 2.3× 439 1.5× 428 1.8× 61 1.9k
Nicolay Chertkoff Walz United States 29 1.4k 2.2× 611 2.0× 698 2.3× 701 2.3× 345 1.4× 48 2.2k
Shane S. Bush United States 13 614 1.0× 286 0.9× 274 0.9× 40 0.1× 329 1.3× 59 1.0k
Timothy Feeney United States 21 912 1.4× 347 1.1× 339 1.1× 162 0.5× 125 0.5× 31 1.4k
Lillian Flores Stevens United States 18 357 0.6× 175 0.6× 288 1.0× 68 0.2× 94 0.4× 41 977
Joseph F. Rath United States 16 431 0.7× 174 0.6× 152 0.5× 36 0.1× 207 0.8× 39 916
Oliver Chadwick United Kingdom 20 567 0.9× 1.0k 3.4× 345 1.1× 274 0.9× 277 1.1× 28 2.2k
Megan E. Narad United States 21 316 0.5× 358 1.2× 177 0.6× 191 0.6× 77 0.3× 52 1.4k
Elizabeth Larson United States 15 158 0.2× 426 1.4× 99 0.3× 119 0.4× 59 0.2× 30 859
Sarah H. Broman United States 12 247 0.4× 196 0.6× 155 0.5× 378 1.3× 115 0.5× 19 1.0k

Countries citing papers authored by Nicholas P. Ryan

Since Specialization
Citations

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

Fields of papers citing papers by Nicholas P. Ryan

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Nicholas P. Ryan. 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 Nicholas P. Ryan. The network helps show where Nicholas P. Ryan may publish in the future.

Co-authorship network of co-authors of Nicholas P. Ryan

This figure shows the co-authorship network connecting the top 25 collaborators of Nicholas P. Ryan. A scholar is included among the top collaborators of Nicholas P. Ryan 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 Nicholas P. Ryan. Nicholas P. Ryan is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Cronström, Anna, et al.. (2026). Test–retest reliability of a laboratory-based head acceleration testing protocol. Journal of science and medicine in sport.
2.
Ryan, Nicholas P., Cathy Catroppa, Louise Crossley, et al.. (2025). How does family functioning contribute to child externalizing and internalizing behavior problems after childhood TBI? Evidence from a prospective cohort study. Journal of Affective Disorders. 374. 238–246.
3.
Ryan, Nicholas P., et al.. (2024). Exploring emotional distress symptom clusters in young adults with childhood traumatic brain injury. Neuropsychological Rehabilitation. 35(5). 905–929.
4.
Ryan, Nicholas P., et al.. (2024). Quality of Life in Children With Chronic Health Conditions and Its Contribution to Unmet Supportive Care Needs of Families. Child Care Health and Development. 50(6). e13336–e13336.
5.
6.
7.
Catroppa, Cathy, Justin Kenardy, Sunčica Lah, et al.. (2023). The Australian and New Zealand brain injury lifespan cohort protocol: Leveraging common data elements to characterise longitudinal outcome and recovery. BMJ Open. 13(1). e067712–e067712.
8.
Ryan, Nicholas P., et al.. (2023). Unmet supportive care needs of families of children with chronic illness: A systematic review. Journal of Clinical Nursing. 32(19-20). 7101–7124. 17 indexed citations
9.
Byrne, Linda K., et al.. (2023). Unmet supportive care needs in families of children with chronic health conditions: an Australian cross-sectional study. World Journal of Pediatrics. 19(12). 1181–1191. 3 indexed citations
10.
Ryan, Nicholas P., et al.. (2023). Associations Between Peer Relationships and Self-Esteem After Childhood Traumatic Brain Injury: Exploring the Mediating Role of Loneliness. Journal of Neurotrauma. 40(19-20). 2100–2109. 2 indexed citations
11.
Ryan, Nicholas P., Louise Crossley, Stephen Hearps, et al.. (2022). Quality of family environment predicts child perceptions of competence 12 months after pediatric traumatic brain injury. Annals of Physical and Rehabilitation Medicine. 65(6). 101606–101606. 3 indexed citations
12.
Ryan, Nicholas P., Cathy Catroppa, Miriam H. Beauchamp, et al.. (2022). Prospective Associations of Susceptibility-Weighted Imaging Biomarkers with Fatigue Symptom Severity in Childhood Traumatic Brain Injury. Journal of Neurotrauma. 40(5-6). 449–456. 3 indexed citations
13.
Ryan, Nicholas P., Mardee Greenham, Anne Gordon, et al.. (2021). Social Cognitive Dysfunction Following Pediatric Arterial Ischemic Stroke. Stroke. 52(5). 1609–1617. 5 indexed citations
14.
Ryan, Nicholas P., et al.. (2021). Social Cognition in Paediatric Traumatic Brain Injury: A Systematic Review and Meta-analysis. Neuropsychology Review. 32(1). 127–148. 12 indexed citations
15.
Zamani, Akram, Nicholas P. Ryan, David Wright, Karen Caeyenberghs, & Bridgette D. Semple. (2020). The Impact of Traumatic Injury to the Immature Human Brain: A Scoping Review with Insights from Advanced Structural Neuroimaging. Journal of Neurotrauma. 37(5). 724–738. 15 indexed citations
16.
Ryan, Nicholas P., Vicki Anderson, Erin D. Bigler, et al.. (2020). Delineating the Nature and Correlates of Social Dysfunction after Childhood Traumatic Brain Injury Using Common Data Elements: Evidence from an International Multi-Cohort Study. Journal of Neurotrauma. 38(2). 252–260. 15 indexed citations
17.
Ryan, Nicholas P., et al.. (2019). Unraveling the Association between Pediatric Traumatic Brain Injury and Social Dysfunction: The Mediating Role of Self-Regulation. Journal of Neurotrauma. 36(20). 2895–2903. 22 indexed citations
18.
Ryan, Nicholas P., et al.. (2019). Young adults’ perspectives on health-related quality of life after paediatric traumatic brain injury: A prospective cohort study. Annals of Physical and Rehabilitation Medicine. 62(5). 342–350. 20 indexed citations
19.
Anderson, Vicki, Miriam H. Beauchamp, Keith Owen Yeates, et al.. (2017). Social Competence at Two Years after Childhood Traumatic Brain Injury. Journal of Neurotrauma. 34(14). 2261–2271. 46 indexed citations
20.
Ryan, Nicholas P., Vicki Anderson, Celia Godfrey, et al.. (2013). Predictors of Very-Long-Term Sociocognitive Function after Pediatric Traumatic Brain Injury: Evidence for the Vulnerability of the Immature “Social Brain”. Journal of Neurotrauma. 31(7). 649–657. 86 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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