User profiles for Niall Colgan

niall colgan

NUI Galway
Verified email at nuigalway.ie
Cited by 998

Impaired glymphatic function and clearance of tau in an Alzheimer's disease model

IF Harrison, O Ismail, A Machhada, N Colgan, Y Ohene… - Brain, 2020 - academic.oup.com
The glymphatic system, that is aquaporin 4 (AQP4) facilitated exchange of CSF with interstitial
fluid (ISF), may provide a clearance pathway for protein species such as amyloid-β and tau…

[HTML][HTML] Application of neurite orientation dispersion and density imaging (NODDI) to a tau pathology model of Alzheimer's disease

N Colgan, B Siow, JM O'Callaghan, IF Harrison… - Neuroimage, 2016 - Elsevier
Increased hyperphosphorylated tau and the formation of intracellular neurofibrillary tangles
are associated with the loss of neurons and cognitive decline in Alzheimer's disease, and …

[HTML][HTML] In vivo imaging of tau pathology using multi-parametric quantitative MRI

…, Z Ahmed, TK Murray, MJ O'Neill, EC Collins, N Colgan… - Neuroimage, 2015 - Elsevier
As the number of people diagnosed with Alzheimer's disease (AD) reaches epidemic
proportions, there is an urgent need to develop effective treatment strategies to tackle the social …

Proton resonance frequency shift thermometry: a review of modern clinical practices

…, J Galligan, M Destrade, N Colgan - Journal of Magnetic …, 2022 - Wiley Online Library
Magnetic resonance imaging (MRI) has become a popular modality in guiding minimally
invasive thermal therapies, due to its advanced, nonionizing, imaging capabilities and its ability …

Applying DTI white matter orientations to finite element head models to examine diffuse TBI under high rotational accelerations

NC Colgan, MD Gilchrist, KM Curran - Progress in biophysics and …, 2010 - Elsevier
The in-vivo mechanical response of neural tissue during impact loading of the head is
simulated using geometrically accurate finite element (FE) head models. However, current FE …

[HTML][HTML] Comparison of In Vivo and Ex Vivo MRI for the Detection of Structural Abnormalities in a Mouse Model of Tauopathy

…, O Ismail, IF Harrison, JA Wells, N Colgan… - Frontiers in …, 2017 - frontiersin.org
With increasingly large numbers of mouse models of human disease dedicated to MRI studies,
compromises between in vivo and ex vivo MRI must be fully understood in order to inform …

[HTML][HTML] Imaging the accumulation and suppression of tau pathology using multiparametric MRI

HE Holmes, N Colgan, O Ismail, D Ma, NM Powell… - Neurobiology of …, 2016 - Elsevier
Mouse models of Alzheimer's disease have served as valuable tools for investigating pathogenic
mechanisms relating to neurodegeneration, including tau-mediated and neurofibrillary …

Artificial intelligence in the medical physics community: an international survey

O Diaz, G Guidi, O Ivashchenko, N Colgan, F Zanca - Physica Medica, 2021 - Elsevier
Purpose To assess current perceptions, practices and education needs pertaining to artificial
intelligence (AI) in the medical physics field. Methods A web-based survey was distributed …

Increased cerebral vascular reactivity in the tau expressing rTg4510 mouse: evidence against the role of tau pathology to impair vascular health in Alzheimer's …

…, JM O'callaghan, N Colgan… - Journal of Cerebral …, 2015 - journals.sagepub.com
Vascular abnormalities are a key feature of Alzheimer's disease (AD). Imaging of cerebral
vascular reactivity (CVR) is a powerful tool to investigate vascular health in clinical populations …

The poynting effect

G Zurlo, J Blackwell, N Colgan… - American Journal of …, 2020 - pubs.aip.org
Take a right circular solid rubber cylinder and twist it to produce a rotation of angle θ between
the upper and lower faces, see Fig. 1. Do you expect the cylinder to (a) shorten,(b) keep its …