User profiles for G. B. Pike

Bruce Pike

CAIP Chair in Healthy Brain Aging, Head of Image Science, Professor - U of Calgary
Verified email at ucalgary.ca
Cited by 53836

MRI‐based myelin water imaging: a technical review

…, IR Levesque, GB Pike - Magnetic resonance in …, 2015 - Wiley Online Library
… Simulations of MET 2 relaxation mapping were performed by Levesque and Pike 84, with …
Levesque and Pike proposed that since pathology such as MS leads to changes in diffusion…

MRI of healthy brain aging: A review

ME MacDonald, GB Pike - NMR in Biomedicine, 2021 - Wiley Online Library
We present a review of the characterization of healthy brain aging using MRI with an emphasis
on morphology, lesions, and quantitative MR parameters. A scope review found 6612 …

Promise and pitfalls of g-ratio estimation with MRI

…, M Boudreau, T Duval, J Cohen-Adad, GB Pike… - Neuroimage, 2018 - Elsevier
The fiber g-ratio is the ratio of the inner to the outer diameter of the myelin sheath of a myelinated
axon. It has a limited dynamic range in healthy white matter, as it is optimized for speed …

Stereotaxic white matter atlas based on diffusion tensor imaging in an ICBM template

…, AV Faria, A Mahmood, R Woods, AW Toga, GB Pike… - Neuroimage, 2008 - Elsevier
Brain registration to a stereotaxic atlas is an effective way to report anatomic locations of
interest and to perform anatomic quantification. However, existing stereotaxic atlases lack …

MRI simulation-based evaluation of image-processing and classification methods

RKS Kwan, AC Evans, GB Pike - IEEE transactions on medical …, 1999 - ieeexplore.ieee.org
… Kwan, AC Evans, and GB Pike, “An extensible MRI simulator for post-processing evaluation,”
in … Kwan, AC Evans, and GB Pike, “fMRI simulation for quantitative evaluation of analysis …

Investigation of BOLD signal dependence on cerebral blood flow and oxygen consumption: the deoxyhemoglobin dilution model

…, B Gill, GR Crelier, S Marrett, GB Pike - … in Medicine: An …, 1999 - Wiley Online Library
… Hoge RD, Atkinson J, Gill B, Crelier GR, Marrett S, Pike GB. Linear coupling between cerebral
… Hoge RD, Atkinson J, Gill B, Crelier GR, Marrett S, Pike GB. Stimulusdependent bold and …

Identification of common variants associated with human hippocampal and intracranial volumes

…, MM Nöthen, RL Olvera, M Pandolfo, GB Pike… - Nature …, 2012 - nature.com
Identifying genetic variants influencing human brain structures may reveal new biological
mechanisms underlying cognition and neuropsychiatric illness. The volume of the …

Linear coupling between cerebral blood flow and oxygen consumption in activated human cortex

…, B Gill, GR Crelier, S Marrett, GB Pike - Proceedings of the …, 1999 - National Acad Sciences
The aim of this study was to test the hypothesis that, within a specific cortical unit, fractional
changes in cerebral blood flow (CBF) and cerebral metabolic rate of oxygen consumption (…

Atlas-based whole brain white matter analysis using large deformation diffeomorphic metric mapping: application to normal elderly and Alzheimer's disease …

…, M Albert, CG Lyketsos, R Woods, AW Toga, GB Pike… - Neuroimage, 2009 - Elsevier
The purpose of this paper is to establish single-participant white matter atlases based on
diffusion tensor imaging. As one of the applications of the atlas, automated brain segmentation …

Human brain white matter atlas: identification and assignment of common anatomical structures in superficial white matter

…, X Li, K Akhter, K Hua, R Woods, AW Toga, GB Pike… - Neuroimage, 2008 - Elsevier
Structural delineation and assignment are the fundamental steps in understanding the anatomy
of the human brain. The white matter has been structurally defined in the past only at its …