John T. O'Brien

According to our database, John T. O'Brien authored at least 17 papers between 2002 and 2023.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2023

Associations Between Retinal Microvasculature Changes and Gray Matter Volume in a Mid-Life Cohort at Risk of Developing Alzheimer's Disease.

Darwon Rashid, Ylenia Giarratano, Charlene Hamid, Thomas J. MacGillivray, Graciela Terrera Muniz, Craig Ritchie, Baljean Dhillon, Megan Reid-Schachter, Audrey Low, Maria-Eleni Dounavi, John T. O'Brien, Miguel O. Bernabeu

Proceedings of the Ophthalmic Medical Image Analysis - 10th International Workshop, 2023

2022

Distinguishing Lewy Body Dementia from Alzheimer's Disease using Machine Learning on Heterogeneous Data: A Feasibility Study.

Niamh McCombe, Alok Joshi, David P. Finn, Paula L. McClean, Gemma Roberts, John T. O'Brien, Alan J. Thomas, Joseph P. M. Kane, KongFatt Wong-Lin

Proceedings of the 44th Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2022

2021

Proximity to dementia onset and multi-modal neuroimaging changes: The prevent-dementia study.

Elijah Mak, Maria-Eleni Dounavi, Audrey Low, Stephen F. Carter, Elizabeth McKiernan, Guy B. Williams, P. Simon Jones, Isabelle Carriere, Graciela Terrera Muniz, Karen Ritchie, Craig Ritchie, Li Su, John T. O'Brien

NeuroImage, 2021

Relationship between tau, neuroinflammation and atrophy in Alzheimer's disease: The NIMROD study.

Li Su, Ajenthan Surendranathan, Yujing Huang, William R. Bevan-Jones, Luca Passamonti, Yong T. Hong, Robert Arnold, Patricia Vázquez Rodríguez, Yi Wang, Elijah Mak, Tim D. Fryer, Franklin I. Aigbirhio, James B. Rowe, John T. O'Brien

Inf. Fusion, 2021

2015

A Winding Road: Alzheimer's Disease Increases Circuitous Functional Connectivity Pathways.

John Suckling, Tiago Simas, Shayanti Chattopadhyay, Roger Tait, Li Su, Guy B. Williams, James B. Rowe, John T. O'Brien

Frontiers Comput. Neurosci., 2015

2013

Bridging the Gaps in a Model-Based System Engineering Workflow by Encompassing Hardware-in-the-Loop Simulation.

Roy S. Kalawsky, John T. O'Brien, Seng Kwong Chong, Chi-Biu Wong, Haibo Jia, Hongtao Pan, Philip R. Moore

IEEE Syst. J., 2013

2008

Improving distributed visualisation rendering for grid environments through stream adaptation.

John T. O'Brien

PhD thesis, 2008

Nicotinic α4β2 receptor binding in dementia with Lewy bodies using ¹²³I-5IA-85380 SPECT demonstrates a link between occipital changes and visual hallucinations.

John T. O'Brien, Sean J. Colloby, Sanjeet Pakrasi, Elaine K. Perry, Sally L. Pimlott, David J. Wyper, Ian G. McKeith, E. David Williams

NeuroImage, 2008

2007

Atrophy is associated with posterior cingulate white matter disruption in dementia with Lewy bodies and Alzheimer's disease.

Michael J. Firbank, Andrew M. Blamire, Mani S. Krishnan, Andrew Teodorczuk, Philip English, Anil Gholkar, Roger Harrison, John T. O'Brien

NeuroImage, 2007

A Novel Control Mechanism for Distributed Stream Rendering.

John T. O'Brien, Roy S. Kalawsky

Proceedings of the EG UK Theory and Practice of Computer Graphics, 2007

2006

In vivo SPECT imaging of muscarinic acetylcholine receptors using (R, R) ¹²³I-QNB in dementia with Lewy bodies and Parkinson's disease dementia.

Sean J. Colloby, Sanjeet Pakrasi, Michael J. Firbank, Elaine K. Perry, Margaret A. Piggott, Jonathan Owens, David J. Wyper, Ian G. McKeith, David J. Burn, E. David Williams, John T. O'Brien

NeuroImage, 2006

2004

The application of statistical parametric mapping to ¹²³I-FP-CIT SPECT in dementia with Lewy bodies, Alzheimer's disease and Parkinson's disease.

Sean J. Colloby, John T. O'Brien, John D. Fenwick, Michael J. Firbank, David J. Burn, Ian G. McKeith, E. David Williams

NeuroImage, 2004

Comparing gray matter loss profiles between dementia with Lewy bodies and Alzheimer's disease using cortical pattern matching: diagnosis and gender effects.

Martina Ballmaier, John T. O'Brien, Emma J. Burton, Paul M. Thompson, David E. Rex, Katherine L. Narr, Ian G. McKeith, Heather DeLuca, Arthur W. Toga

NeuroImage, 2004

The application of serial MRI analysis techniques to the study of cerebral atrophy in late-onset dementia.

S. M. Paling, E. David Williams, Robert C. Barber, Emma J. Burton, William R. Crum, Nick C. Fox, John T. O'Brien

Medical Image Anal., 2004

2003

A comprehensive study of gray matter loss in patients with Alzheimer's disease using optimized voxel-based morphometry.

G. B. Karas, Emma J. Burton, Serge A. R. B. Rombouts, Ronald A. van Schijndel, John T. O'Brien, Philip Scheltens, Ian G. McKeith, E. David Williams, Clive G. Ballard, Frederik Barkhof

NeuroImage, 2003

Regional cerebral blood flow in Parkinson's disease with and without dementia.

Michael J. Firbank, Sean J. Colloby, David J. Burn, Ian G. McKeith, John T. O'Brien

NeuroImage, 2003

2002

Patterns of Cerebral Atrophy in Dementia with Lewy Bodies Using Voxel-Based Morphometry.

Emma J. Burton, G. B. Karas, S. M. Paling, Robert C. Barber, E. David Williams, Clive G. Ballard, Ian G. McKeith, Philip Scheltens, Frederik Barkhof, John T. O'Brien

NeuroImage, 2002