Nicholas Blockley

All papers authored by Nicholas Blockley

This paper is made freely available by the publisher.

2022 Yunus Msayib

, George W. J. Harston

, Kevin J. Ray, James R. Larkin

, Brad A. Sutherland, Fintan Sheerin, Nicholas P. Blockley

, Thomas W. Okell

, Peter Jezzard

, Andrew Baldwin, Nicola R. Sibson, James Kennedy, Michael A. Chappell

Quantitative chemical exchange saturation transfer imaging of nuclear overhauser effects in acute ischemic stroke

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2019 Alan J. Stone

, George W. J. Harston

, Davide Carone

, Thomas W. Okell

, James Kennedy

, Nicholas P. Blockley

Prospects for investigating brain oxygenation in acute stroke: Experience with a non-contrast quantitative BOLD based approach

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Alan J. Stone, Naomi C. Holland, Avery J. L. Berman, Nicholas P. Blockley

Simulations of the effect of diffusion on asymmetric spin echo based quantitative BOLD: An investigation of the origin of deoxygenated blood volume overestimation

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2018 Avery J. L. Berman, Erin L. Mazerolle, M. Ethan MacDonald, Nicholas P. Blockley

, Wen-Ming Luh, G. Bruce Pike

Gas-free calibrated fMRI with a correction for vessel-size sensitivity

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2017 Molly G. Bright, Paula L. Croal, Nicholas P. Blockley

, Daniel P. Bulte

Multiparametric measurement of cerebral physiology using calibrated fMRI

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Nicholas P. Blockley

, James W. Harkin, Daniel P. Bulte

Rapid cerebrovascular reactivity mapping: Enabling vascular reactivity information to be routinely acquired

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This paper was not found in any repository, but could be made available legally by the author.

Alexander Seiler, Nicholas P. Blockley

, Ralf Deichmann, Ulrike Nöth, Oliver C. Singer, Michael A. Chappell, Johannes C. Klein, Marlies Wagner

The relationship between blood flow impairment and oxygen depletion in acute ischemic stroke imaged with magnetic resonance imaging

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2016 Nicholas P. Blockley

, Alan J. Stone

Improving the specificity of R2′ to the deoxyhaemoglobin content of brain tissue: Prospective correction of macroscopic magnetic field gradients

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Alberto Merola, Kevin Murphy, Alan J. Stone, Michael A. Germuska, Valerie E. M. Griffeth, Nicholas P. Blockley

, Richard B. Buxton, Richard G. Wise

Measurement of oxygen extraction fraction (OEF): An optimized BOLD signal model for use with hypercapnic and hyperoxic calibration

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Aaron B. Simon, David J. Dubowitz, Nicholas P. Blockley

, Richard B. Buxton

A novel Bayesian approach to accounting for uncertainty in fMRI-derived estimates of cerebral oxygen metabolism fluctuations

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Alan J. Stone, Nicholas P. Blockley

A streamlined acquisition for mapping baseline brain oxygenation using quantitative BOLD.

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2015 Np Blockley

, Ve Griffeth, Aj Stone, Hv Hare, Dp Bulte

Sources of systematic error in calibrated BOLD based mapping of baseline oxygen extraction fraction

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Ian D. Driver, Jamila Andoh, Nicholas P. Blockley

, Susan T. Francis

, Penny A. Gowland, Tomáš Paus

Hemispheric asymmetry in cerebrovascular reactivity of the human primary motor cortex: anin vivostudy at 7 T

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Nicholas P. Blockley

, Valerie E. M. Griffeth, Aaron B. Simon, David J. Dubowitz, Richard B. Buxton

Calibrating the BOLD response without administering gases: Comparison of hypercapnia calibration with calibration using an asymmetric spin echo

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This paper was not found in any repository; the policy of its publisher is unknown or unclear.

N. P. Blockley

, V. E. M. Griffeth, A. B. Simon, R. B. Buxton

Quantitative fMRI

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2014 George W. J. Harston

, Yee Kai Tee, Nicholas Blockley

, Thomas W. Okell, Sivarajan Thandeswaran, Gabriel Shaya, Fintan Sheerin, Martino Cellerini, Stephen Payne, Peter Jezzard, Michael Chappell, James Kennedy

Identifying the ischaemic penumbra using pH-weighted magnetic resonance imaging

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Y. K. Tee, G. W. J. Harston

, N. Blockley

, Thomas W. Okell, J. Levman, F. Sheerin, M. Cellerini, P. Jezzard, J. Kennedy, S. J. Payne, M. A. Chappell

Comparing different analysis methods for quantifying the MRI amide proton transfer (APT) effect in hyperacute stroke patients

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2013 Valerie E. M. Griffeth, Nicholas P. Blockley

, Aaron B. Simon, Richard B. Buxton

A New Functional MRI Approach for Investigating Modulations of Brain Oxygen Metabolism

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Nicholas P. Blockley

, Valerie E. M. Griffeth, Michael A. Germuska, Daniel P. Bulte, Richard B. Buxton

An analysis of the use of hyperoxia for measuring venous cerebral blood volume: Comparison of the existing method with a new analysis approach

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2012 Np Blockley

, Ve Griffeth, Aaron B. Simon, Rb Buxton

A review of calibrated blood oxygenation level-dependent (BOLD) methods for the measurement of task-induced changes in brain oxygen metabolism.

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All papers authored by Nicholas Blockley