Alan Thomas

29.1k total citations · 4 hit papers
330 papers, 13.4k citations indexed

About

Alan Thomas is a scholar working on Psychiatry and Mental health, Physiology and Cognitive Neuroscience. According to data from OpenAlex, Alan Thomas has authored 330 papers receiving a total of 13.4k indexed citations (citations by other indexed papers that have themselves been cited), including 144 papers in Psychiatry and Mental health, 89 papers in Physiology and 74 papers in Cognitive Neuroscience. Recurrent topics in Alan Thomas's work include Dementia and Cognitive Impairment Research (126 papers), Alzheimer's disease research and treatments (82 papers) and Parkinson's Disease Mechanisms and Treatments (63 papers). Alan Thomas is often cited by papers focused on Dementia and Cognitive Impairment Research (126 papers), Alzheimer's disease research and treatments (82 papers) and Parkinson's Disease Mechanisms and Treatments (63 papers). Alan Thomas collaborates with scholars based in United Kingdom, United States and Australia. Alan Thomas's co-authors include John T. O’Brien, John‐Paul Taylor, Ian G. McKeith, H. F. Bradford, Paul C. Donaghy, Johannes Attems, Sophia Bennett, Michael Firbank, Christopher M. Morris and Sean J. Colloby and has published in prestigious journals such as Nature, The Lancet and Nature Communications.

In The Last Decade

Alan Thomas

315 papers receiving 13.0k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Vascular dementia

2015 768 citations John T. O’Brien, Alan Thomas profile →
Learning to be: the world of education today and tomorrow.

1973 479 citations Alan Thomas profile →
Depression and dementia: Cause, consequence or coincidence?

2014 394 citations Alan Thomas et al. profile →
Differential levels of plasma biomarkers of neurodegeneration in Lewy body dementia, Alzheimer’s disease, frontotemporal dementia and progressive supranuclear palsy

2022 108 citations Leonidas Chouliaras, Alan Thomas et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Alan Thomas United Kingdom	61	4.6k	3.5k	3.0k	2.4k	2.4k	330	13.4k
Pantéleimon Giannakopoulos Switzerland	59	3.6k 0.8×	3.7k 1.1×	1.5k 0.5×	3.1k 1.3×	2.0k 0.8×	269	10.7k
Rhoda Au United States	66	6.2k 1.3×	4.7k 1.3×	1.9k 0.6×	2.7k 1.1×	2.5k 1.1×	304	18.4k
Sandro Sorbi Italy	57	3.1k 0.7×	4.6k 1.3×	2.1k 0.7×	1.8k 0.7×	1.7k 0.7×	379	13.0k
Robert P. Friedland United States	59	3.7k 0.8×	4.8k 1.4×	1.6k 0.5×	2.3k 1.0×	1.7k 0.7×	229	12.9k
Sebastiaan Engelborghs Belgium	61	3.5k 0.8×	5.0k 1.4×	3.0k 1.0×	1.4k 0.6×	2.2k 0.9×	326	11.2k
Gregory A. Jicha United States	55	5.8k 1.2×	6.9k 2.0×	2.3k 0.8×	2.6k 1.1×	2.7k 1.1×	255	14.3k
Ranjan Duara United States	59	6.3k 1.4×	5.3k 1.5×	2.2k 0.7×	3.8k 1.6×	1.8k 0.7×	302	13.8k
Hans Förstl Germany	66	5.4k 1.2×	3.9k 1.1×	2.0k 0.7×	4.9k 2.0×	1.5k 0.6×	399	14.2k
Sharon X. Xie United States	68	3.9k 0.8×	4.9k 1.4×	5.6k 1.9×	2.1k 0.9×	1.9k 0.8×	223	15.1k
Christophe Tzourio France	80	5.6k 1.2×	3.7k 1.0×	4.5k 1.5×	1.4k 0.6×	2.5k 1.0×	393	21.3k

Countries citing papers authored by Alan Thomas

Since Specialization

Citations

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

Fields of papers citing papers by Alan Thomas

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Alan Thomas. 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 Alan Thomas. The network helps show where Alan Thomas may publish in the future.

Co-authorship network of co-authors of Alan Thomas

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Pan, Xiaobei, Paul C. Donaghy, Gemma Roberts, et al.. (2024). Plasma metabolites distinguish dementia with Lewy bodies from Alzheimer’s disease: a cross-sectional metabolomic analysis. Frontiers in Aging Neuroscience. 15. 1326780–1326780. 3 indexed citations

Galgani, Alessandro, Kirsty E. McAleese, Lauren Walker, et al.. (2024). Regional AT-8 reactive tau species correlate with intracellular Aβ levels in cases of low AD neuropathologic change. Acta Neuropathologica. 147(1). 40–40. 2 indexed citations

Hamilton, Calum A., Paul C. Donaghy, Rory Durcan, et al.. (2024). Outcomes of Patients With Mild Cognitive Impairment With Lewy Bodies or Alzheimer Disease at 3 and 5 Years After Diagnosis. Neurology. 103(2). e209499–e209499. 6 indexed citations

Thomas, Alan, et al.. (2024). Severe pulmonary hypertension–interstitial lung disease presenting as right ventricular failure: stabilisation with intravenous prostacyclin and maintenance with inhaled prostacyclin. ERJ Open Research. 10(1). 659–2023. 2 indexed citations

Hamilton, Calum A., Fiona E. Matthews, Johannes Attems, et al.. (2024). Associations between multimorbidity and neuropathology in dementia: consideration of functional cognitive disorders, psychiatric illness and dementia mimics. The British Journal of Psychiatry. 224(6). 237–244.

Leonenko, Ganna, Sarah Bauermeister, Joshua Stevenson‐Hoare, et al.. (2024). Dementias Platform UK: Bringing genetics into life. Alzheimer s & Dementia. 20(5). 3281–3289. 2 indexed citations

Pihlstrøm, Lasse, Gemma Shireby, Hanneke Geut, et al.. (2022). Epigenome-wide association study of human frontal cortex identifies differential methylation in Lewy body pathology. Nature Communications. 13(1). 4932–4932. 15 indexed citations

Shireby, Gemma, Emma Dempster, Rebecca G. Smith, et al.. (2022). DNA methylation signatures of Alzheimer’s disease neuropathology in the cortex are primarily driven by variation in non-neuronal cell-types. Nature Communications. 13(1). 5620–5620. 60 indexed citations

Donaghy, Paul C., Michael Firbank, George Petrides, et al.. (2022). The relationship between plasma biomarkers and amyloid PET in dementia with Lewy bodies. Parkinsonism & Related Disorders. 101. 111–116. 15 indexed citations

10.

O’Brien, John T., John‐Paul Taylor, Alan Thomas, et al.. (2021). Improving the diagnosis and management of Lewy body dementia: the DIAMOND-Lewy research programme including pilot cluster RCT. SHILAP Revista de lepidopterología. 9(7). 1–120. 13 indexed citations

11.

Shireby, Gemma, Jonathan Davies, Paul T. Francis, et al.. (2020). Recalibrating the epigenetic clock: implications for assessing biological age in the human cortex. Brain. 143(12). 3763–3775. 110 indexed citations

12.

Thomas, Alan, et al.. (2020). Sarcopenia and frailty in individuals with dementia: A systematic review. Archives of Gerontology and Geriatrics. 92. 104268–104268. 83 indexed citations

13.

Hannon, Eilís, Gemma Shireby, Keeley J. Brookes, et al.. (2020). Genetic risk for Alzheimer’s disease influences neuropathology via multiple biological pathways. Brain Communications. 2(2). fcaa167–fcaa167. 6 indexed citations

14.

Lloyd, Jim, George Petrides, Paul C. Donaghy, et al.. (2018). A new visual rating scale for Ioflupane imaging in Lewy body disease. NeuroImage Clinical. 20. 823–829. 12 indexed citations

15.

Lawrence, Vanessa, Lei Clifton, Alan Thomas, et al.. (2017). Feasibility of a staff training and support programme to improve pain assessment and management in people with dementia living in care homes. International Journal of Geriatric Psychiatry. 33(1). 221–231. 17 indexed citations

16.

Kane, Joseph, Sarah Pirio Richardson, Louise Allan, & Alan Thomas. (2016). Diagnosing dementia. British Journal of Hospital Medicine. 77(2). C22–C25. 2 indexed citations

17.

Thomas, Alan, et al.. (2013). School Refusal And Home Education. SHILAP Revista de lepidopterología. 4 indexed citations

18.

Thomas, Alan. (2013). Autonomous and Informal Education Under Threat: Summerhill, UK, Sudbury Schools in The Netherlands and Home Education. 2(1). 75–77.

19.

Thomas, Alan. (1974). Almost Complex Structures on Complex Projective Spaces. Transactions of the American Mathematical Society. 193. 123–123. 3 indexed citations

20.

Evans, William C., et al.. (1959). Studies on bracken poisoning in cattle. 6.. British Veterinary Journal. 115. 83–85. 7 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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