S. Grootoonk

2.6k total citations · 1 hit paper
30 papers, 2.0k citations indexed

About

S. Grootoonk is a scholar working on Radiology, Nuclear Medicine and Imaging, Radiation and Biomedical Engineering. According to data from OpenAlex, S. Grootoonk has authored 30 papers receiving a total of 2.0k indexed citations (citations by other indexed papers that have themselves been cited), including 21 papers in Radiology, Nuclear Medicine and Imaging, 9 papers in Radiation and 9 papers in Biomedical Engineering. Recurrent topics in S. Grootoonk's work include Medical Imaging Techniques and Applications (15 papers), Advanced MRI Techniques and Applications (9 papers) and Advanced X-ray and CT Imaging (9 papers). S. Grootoonk is often cited by papers focused on Medical Imaging Techniques and Applications (15 papers), Advanced MRI Techniques and Applications (9 papers) and Advanced X-ray and CT Imaging (9 papers). S. Grootoonk collaborates with scholars based in United Kingdom, United States and Belgium. S. Grootoonk's co-authors include Terry Jones, R. S. J. Frackowiak, L. Schnorr, C. Cahill, David Silbersweig, Emily Stern, Chris Frith, T.J. Spinks, Andrew P. Holmes and Dale L. Bailey and has published in prestigious journals such as Nature, NeuroImage and The Journal of Physiology.

In The Last Decade

S. Grootoonk

26 papers receiving 1.9k 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.

A functional neuroanatomy of hallucinations in schizophrenia

1995 697 citations David Silbersweig, Emily Stern et al. Nature profile →

Peers

Countries citing papers authored by S. Grootoonk

Since Specialization

Citations

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

Fields of papers citing papers by S. Grootoonk

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of S. Grootoonk

This figure shows the co-authorship network connecting the top 25 collaborators of S. Grootoonk. A scholar is included among the top collaborators of S. Grootoonk 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 S. Grootoonk. S. Grootoonk 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

#	Work	Indexed citations
1	TD‐P‐008: Co‐Designing a Digital Platform to Support People with Dementia and Their Carers 2016 ·Alzheimer s & Dementia ·(unknown), S. Grootoonk, Hugo de Waal, Kate McLeish, David Hill	1
2	TD‐P‐016: Feasibility of Real World Continuous Data Collection From Patients with Cognitive Impairment and Their Caregivers 2016 ·Alzheimer s & Dementia ·(unknown), S. Grootoonk, Iracema Leroi, John E. Hall, David Hill	0
3	P46 Radiation exposure of technical staff operating mobile PET/CT scanners 2007 ·Nuclear Medicine Communications ·Khalid Alsafi, S. Grootoonk, (unknown), N. M. Spyrou	4
4	Development of 3D dynamic acquisition in a neuro-PET scanner 2005 ·T.J. Spinks, S. Grootoonk, Vincent J. Cunningham, Masanori Tadokoro, L. Schnorr, Hiroshi Watabe, (unknown), Matthias J. Koepp, Angus Kennedy, Terry Jones	0
5	Physical Performance Of A New Commercial Positron Tomograph With Retractable SEPTA 2005 ·T.J. Spinks, Terry Jones, Dale L. Bailey, S. Grootoonk, D.W. Townsend, Maria Carla Gilardi, M.E. Casey, (unknown)	5
6	Smoothing of random data to reduce noise in 3-D PET 2003 ·IEEE Conference on Nuclear Science Symposium and Medical Imaging ·D. Sashin, T.J. Spinks, S. Grootoonk, Terry Jones	0
7	A rotating PET camera using BGO block detectors 2002 ·Conference Record of the 1991 IEEE Nuclear Science Symposium and Medical Imaging Conference ·D.W. Townsend, (unknown), L. Byars, Antoine Geissbühler, Henri Tochon‐Danguy, (unknown), Michel Defrise, (unknown), S. Grootoonk, R. Nutt	2
8	A comparison of 3D scatter correction methods in a neuroPET tomograph 2002 ·T.J. Spinks, S. Grootoonk, Dale L. Bailey, L. Schnorr	0
9	Characterization and Correction of Interpolation Effects in the Realignment of fMRI Time Series 2000 ·NeuroImage ·S. Grootoonk, Chloe Hutton, John Ashburner, A. Howseman, Oliver Josephs, Geraint Rees, Karl Friston, Robert Turner	92
10	The Effect of Slice Order and Thickness on fMRI Activation Data Using Multislice Echo-Planar Imaging 1999 ·NeuroImage ·(unknown), S. Grootoonk, David A. Porter, (unknown), Andrew P. Holmes, Robert Turner	36
11	Assessment of the Variability in fMRI Data Sets due to Subject Positioning and Calibration of the MRI Scanner 1998 ·NeuroImage ·(unknown), David J. McGonigle, S. Grootoonk, (unknown), B.S. Athwal, Richard E. Turner	8
12	Assessment of Motion Artefacts in fMRI Time-Series Affected by Task-Correlated Subject Motion. 1998 ·NeuroImage ·S. Grootoonk, A. Howseman, Sarah‐Jayne Blakemore, (unknown), John Ashburner, Robert Turner	2
13	Correction for movement-related effects arising from data interpolation in fMRI time-series 1997 ·UCL Discovery (University College London) ·John Ashburner, Chloe Hutton, S. Grootoonk, Richard Turner, Karl Friston	1
14	Correction for scatter in 3D brain PET using a dual energy window method 1996 ·Physics in Medicine and Biology ·S. Grootoonk, T.J. Spinks, D. Sashin, N. M. Spyrou, Terry Jones	87
15	The development of in vivo tracer methods to obtain new information about human disease: a study of the hallucinating brain 1996 ·European Journal of Nuclear Medicine and Molecular Imaging ·Terry Jones, David Silbersweig, Emily Stern, L. Schnorr, James R. Seaward, J. C. Clark, Adriaan A. Lammertsma, S. Grootoonk	1
16	An investigation of factors affecting detector and geometric correction in normalization of 3-D PET data 1996 ·IEEE Transactions on Nuclear Science ·Dale L. Bailey, D.W. Townsend, Paul E. Kinahan, S. Grootoonk, Terry Jones	32
17	A functional neuroanatomy of hallucinations in schizophrenia breakdown → 1995 ·Nature ·David Silbersweig, Emily Stern, Chris Frith, C. Cahill, Andrew P. Holmes, S. Grootoonk, James R. Seaward, Peter J. McKenna, Se Chua, L. Schnorr, Terry Jones, R. S. J. Frackowiak	697
18	Physical performance of a positron tomograph for brain imaging with retractable septa 1992 ·Physics in Medicine and Biology ·T.J. Spinks, Terry Jones, Dale L. Bailey, D.W. Townsend, S. Grootoonk, P Bloomfield, Maria Carla Gilardi, M. Casey, (unknown), J. Reed	256
19	Performance Evaluation of the Positron Scanner ECAT EXACT 1992 ·Journal of Computer Assisted Tomography ·K. Wienhard, Lars I. Eriksson, S. Grootoonk, M. Casey, U. Pietrzyk, Wolf‐Dieter Heiss	207
20	Assessment of response function in two PET scanners with and without interplane septa 1991 ·IEEE Transactions on Medical Imaging ·Christian Michel, Anne Bol, T J Spinks, D.W. Townsend, Dale L. Bailey, S. Grootoonk, Terry Jones	36

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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