John D. Pickard

43.8k total citations · 12 hit papers
401 papers, 29.2k citations indexed

About

John D. Pickard is a scholar working on Neurology, Radiology, Nuclear Medicine and Imaging and Epidemiology. According to data from OpenAlex, John D. Pickard has authored 401 papers receiving a total of 29.2k indexed citations (citations by other indexed papers that have themselves been cited), including 273 papers in Neurology, 128 papers in Radiology, Nuclear Medicine and Imaging and 110 papers in Epidemiology. Recurrent topics in John D. Pickard's work include Traumatic Brain Injury and Neurovascular Disturbances (249 papers), Optical Imaging and Spectroscopy Techniques (75 papers) and Traumatic Brain Injury Research (74 papers). John D. Pickard is often cited by papers focused on Traumatic Brain Injury and Neurovascular Disturbances (249 papers), Optical Imaging and Spectroscopy Techniques (75 papers) and Traumatic Brain Injury Research (74 papers). John D. Pickard collaborates with scholars based in United Kingdom, United States and Poland. John D. Pickard's co-authors include Marek Czosnyka, Peter Smielewski, David Menon, Peter J. Kirkpatrick, Adrian M. Owen, Peter J. Hutchinson, Martin R. Coleman, Steven Laureys, Luzius A. Steiner and Mélanie Boly and has published in prestigious journals such as Science, New England Journal of Medicine and Proceedings of the National Academy of Sciences.

In The Last Decade

John D. Pickard

396 papers receiving 28.3k citations

Hit Papers

Detecting Awareness in the Vegetat... 1977 2026 1993 2009 2006 2005 2002 2010 1989 250 500 750 1000
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.

  1. Detecting Awareness in the Vegetative State
    2006 1.1k citations John D. Pickard et al. profile →
  2. Neurophysiological Architecture of Functional Magnetic Resonance Images of Human Brain
    2005 1.0k citations John D. Pickard, David Menon et al. profile →
  3. Imaging Atherosclerotic Plaque Inflammation With [ 18 F]-Fluorodeoxyglucose Positron Emission Tomography
    2002 895 citations Elizabeth A. Warburton, Tim D. Fryer et al. profile →
  4. Willful Modulation of Brain Activity in Disorders of Consciousness
    2010 893 citations John D. Pickard et al. profile →
  5. Effect of oral nimodipine on cerebral infarction and outcome after subarachnoid haemorrhage: British aneurysm nimodipine trial.
    1989 770 citations John D. Pickard, Gordon Murray et al. BMJ profile →
  6. Continuous Assessment of the Cerebral Vasomotor Reactivity in Head Injury
    1997 633 citations Marek Czosnyka, Peter Smielewski et al. Neurosurgery profile →
  7. Choosing between Small, Likely Rewards and Large, Unlikely Rewards Activates Inferior and Orbital Prefrontal Cortex
    1999 612 citations John D. Pickard et al. profile →
  8. Continuous monitoring of cerebrovascular pressure reactivity allows determination of optimal cerebral perfusion pressure in patients with traumatic brain injury
    2002 540 citations Luzius A. Steiner, Marek Czosnyka et al. Critical Care Medicine profile →
  9. Use of drains versus no drains after burr-hole evacuation of chronic subdural haematoma: a randomised controlled trial
    2009 485 citations Peter J. Kirkpatrick, Peter Smielewski et al. profile →
  10. Bedside detection of awareness in the vegetative state: a cohort study
    2011 478 citations John D. Pickard et al. profile →
  11. Severe head injuries in three countries.
    1977 398 citations Graham M. Teasdale, John D. Pickard et al. profile →
  12. Continuous determination of optimal cerebral perfusion pressure in traumatic brain injury*
    2012 391 citations Marcel Aries, Marek Czosnyka et al. Critical Care Medicine profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
John D. Pickard United Kingdom 88 17.4k 8.8k 6.6k 5.1k 4.8k 401 29.2k
David Menon United Kingdom 87 14.6k 0.8× 10.1k 1.1× 5.0k 0.8× 4.5k 0.9× 6.3k 1.3× 515 29.7k
Paul Vespa United States 64 11.5k 0.7× 6.7k 0.8× 1.8k 0.3× 1.8k 0.4× 2.4k 0.5× 283 18.5k
Graham M. Teasdale United Kingdom 72 19.4k 1.1× 13.4k 1.5× 1.8k 0.3× 1.1k 0.2× 9.1k 1.9× 234 31.8k
Ann C. McKee United States 70 10.8k 0.6× 8.4k 1.0× 1.6k 0.2× 1.9k 0.4× 3.2k 0.7× 236 22.3k
Howard M. Eisenberg United States 66 10.0k 0.6× 7.0k 0.8× 1.2k 0.2× 2.1k 0.4× 5.6k 1.2× 192 19.5k
David A. Hovda United States 77 12.2k 0.7× 9.2k 1.0× 1.5k 0.2× 1.4k 0.3× 5.1k 1.1× 214 19.2k
Walter J. Koroshetz United States 83 8.0k 0.5× 9.8k 1.1× 5.3k 0.8× 5.1k 1.0× 624 0.1× 224 33.9k
William J. Powers United States 57 7.9k 0.5× 9.7k 1.1× 5.1k 0.8× 8.5k 1.7× 543 0.1× 229 27.1k
Erin D. Bigler United States 72 6.5k 0.4× 8.8k 1.0× 4.3k 0.7× 6.6k 1.3× 3.4k 0.7× 443 19.2k
Ramon Diaz‐Arrastia United States 77 7.7k 0.4× 6.1k 0.7× 1.9k 0.3× 1.1k 0.2× 3.6k 0.7× 325 16.0k

Countries citing papers authored by John D. Pickard

Since Specialization
Citations

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

Fields of papers citing papers by John D. Pickard

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John D. Pickard. 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 John D. Pickard. The network helps show where John D. Pickard may publish in the future.

Co-authorship network of co-authors of John D. Pickard

This figure shows the co-authorship network connecting the top 25 collaborators of John D. Pickard. A scholar is included among the top collaborators of John D. Pickard 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 John D. Pickard. John D. Pickard 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.
Hermanides, Jeroen, Young T. Hong, Joanne Outtrim, et al.. (2021). Metabolic derangements are associated with impaired glucose delivery following traumatic brain injury. Brain. 144(11). 3492–3504. 28 indexed citations
2.
Guilfoyle, Mathew R., Keri L.H. Carpenter, Adel Helmy, et al.. (2015). Matrix Metalloproteinase Expression in Contusional Traumatic Brain Injury: A Paired Microdialysis Study. Journal of Neurotrauma. 32(20). 1553–1559. 60 indexed citations
3.
Trivedi, Rikin, Richard Greenwood, John D. Pickard, & Nicholas Higgins. (2015). Brain Slump Caused by Jugular Venous Stenoses Treated by Stenting: A Hypothesis to Link Spontaneous Intracranial Hypotension with Idiopathic Intracranial Hypertension. SHILAP Revista de lepidopterología. 76(1). e188–e193. 16 indexed citations
4.
Harris, Neil G., Szu‐Fu Chen, & John D. Pickard. (2013). Cortical Reorganization after Experimental Traumatic Brain Injury: A Functional Autoradiography Study. Journal of Neurotrauma. 30(13). 1137–1146. 21 indexed citations
5.
Aries, Marcel, Marek Czosnyka, Karol P. Budohoski, et al.. (2012). Continuous determination of optimal cerebral perfusion pressure in traumatic brain injury*. Critical Care Medicine. 40(8). 2456–2463. 391 indexed citations breakdown →
6.
Budohoski, Karol P., Marek Czosnyka, Nicolás de Riva, et al.. (2012). The Relationship Between Cerebral Blood Flow Autoregulation and Cerebrovascular Pressure Reactivity After Traumatic Brain Injury. Neurosurgery. 71(3). 652–661. 105 indexed citations
7.
Kim, Dong‐Joo, Zofia Czosnyka, Magdalena Kasprowicz, et al.. (2011). Continuous Monitoring of the Monro-Kellie Doctrine: Is It Possible?. Journal of Neurotrauma. 29(7). 1354–1363. 49 indexed citations
8.
Timofeev, Ivan, Marek Czosnyka, Keri L.H. Carpenter, et al.. (2011). Interaction between Brain Chemistry and Physiology after Traumatic Brain Injury: Impact of Autoregulation and Microdialysis Catheter Location. Journal of Neurotrauma. 28(6). 849–860. 62 indexed citations
9.
Zweifel, Christian, Gianluca Castellani, Marek Czosnyka, et al.. (2010). Continuous Assessment of Cerebral Autoregulation With Near-Infrared Spectroscopy in Adults After Subarachnoid Hemorrhage. Stroke. 41(9). 1963–1968. 125 indexed citations
10.
Zweifel, Christian, Andrea Lavinio, Luzius A. Steiner, et al.. (2008). Continuous monitoring of cerebrovascular pressure reactivity in patients with head injury. Neurosurgical FOCUS. 25(4). E2–E2. 153 indexed citations
11.
Kett-White, Rupert, Mark T. O’Connell, Peter J. Hutchinson, et al.. (2006). Extracellular amino acid changes in patients during reversible cerebral ischaemia. Acta neurochirurgica. Supplementum. 95. 83–88. 9 indexed citations
12.
Tseng, Ming-Yuan, Marek Czosnyka, Hugh K. Richards, John D. Pickard, & Peter J. Kirkpatrick. (2005). Effects of Acute Treatment With Pravastatin on Cerebral Vasospasm, Autoregulation, and Delayed Ischemic Deficits After Aneurysmal Subarachnoid Hemorrhage. Stroke. 36(8). 1627–1632. 294 indexed citations
13.
14.
Coles, Jonathan, Tim D. Fryer, Peter Smielewski, et al.. (2004). Incidence and Mechanisms of Cerebral Ischemia in Early Clinical Head Injury. Journal of Cerebral Blood Flow & Metabolism. 24(2). 202–211. 176 indexed citations
15.
Minhas, Pawan Singh, David K. Menon, Peter Smielewski, et al.. (2003). Positron Emission Tomographic Cerebral Perfusion Disturbances and Transcranial Doppler Findings among Patients with Neurological Deterioration after Subarachnoid Hemorrhage. Neurosurgery. 52(5). 1017–1024. 66 indexed citations
16.
Kett-White, Rupert, Peter J. Hutchinson, Pippa G. Al-Rawi, et al.. (2002). Adverse Cerebral Events Detected after Subarachnoid Hemorrhage Using Brain Oxygen and Microdialysis Probes. Neurosurgery. 50(6). 1213–1222. 100 indexed citations
17.
Gillard, Jonathan H., N. Papadakis, Christopher Price, et al.. (2001). MR diffusion tensor imaging of white matter tract disruption in stroke at 3 T. British Journal of Radiology. 74(883). 642–647. 59 indexed citations
18.
Whitfield, Peter C., Peter Hutchinson, Marek Czosnyka, et al.. (2001). Bifrontal decompressive craniectomy in the management of posttraumatic intracranial hypertension. British Journal of Neurosurgery. 15(6). 500–507. 140 indexed citations
19.
Pickard, John D.. (1997). Urodynamics, Principles, Practice and Applications. Annals of The Royal College of Surgeons of England. 79(3). 236–236. 20 indexed citations
20.
Pickard, John D., Gordon Murray, R D Illingworth, et al.. (1989). Effect of oral nimodipine on cerebral infarction and outcome after subarachnoid haemorrhage: British aneurysm nimodipine trial.. BMJ. 298(6674). 636–642. 770 indexed citations breakdown →

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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