T1, T2 relaxation and magnetization transfer in tissue at 3T

…, SJ Graham, MJ Bronskill… - … in Medicine: An …, 2005 - Wiley Online Library
T 1 , T 2 , and magnetization transfer (MT) measurements were performed in vitro at 3 T and
37C on a variety of tissues: mouse liver, muscle, and heart; rat spinal cord and kidney; …

Quantitative interpretation of magnetization transfer

…, GJ Stanisz, SD Swanson, MJ Bronskill - Magnetic resonance …, 1993 - Wiley Online Library
Magnetization transfer contrast (MTC) experiments using off‐resonance irradiation have been
performed with an agar gel model by systematically varying offset frequency, amplitude of …

Anisotropy of NMR properties of tissues

…, GJ Stanisz, JK Kim, MJ Bronskill - Magnetic resonance …, 1994 - Wiley Online Library
… Residual longitudinal magnetization following a saturation pulse (MJ, normalized to
magnetization without saturation (M,), was plotted as a function of offset frequency (Am) and H, …

Characterizing white matter with magnetization transfer and T2

GJ Stanisz, A Kecojevic, MJ Bronskill… - … in Medicine: An …, 1999 - Wiley Online Library
A magnetization‐transfer (MT) CPMG hybrid experiment was performed to analyze T 2
relaxation and MT characteristics in bovine optic nerve. Two exchanging liquid pools with their …

Noise and filtration in magnetic resonance imaging

ER McVeigh, RM Henkelman, MJ Bronskill - Medical physics, 1985 - Wiley Online Library
Noise in two‐dimensional Fourier transform magnetic resonance images has been investigated
using noise power spectra and measurements of standard deviation. The measured …

Memory impairments associated with hippocampal versus parahippocampal-gyrus atrophy: an MR volumetry study in Alzheimer's disease

…, M Moscovitch, G Wincour, JP Szalai, MJ Bronskill - Neuropsychologia, 1998 - Elsevier
Delayed memory impairments and medial temporal-lobe atrophy are considered to be
cardinal features of Alzheimer’s disease (AD). The goal of the present magnetic resonance (MR) …

Criteria for analysis of multicomponent tissue T2 relaxation data

…, PL Stanchev, MJ Bronskill - Magnetic resonance in …, 1996 - Wiley Online Library
Monte Carlo simulations were performed to determine whether the multicomponent T 2
distribution of tissue can be estimated accurately from T 2 decay data acquired in vivo. Simulated …

Quantifying head motion associated with motor tasks used in fMRI

…, WE McIlroy, SE Black, WR Staines, MJ Bronskill… - Neuroimage, 2001 - Elsevier
In functional magnetic resonance imaging (fMRI) studies, long experiment times and small
intensity changes associated with brain activation frequently lead to image artifacts due to …

A robust method for extraction and automatic segmentation of brain images

N Kovacevic, NJ Lobaugh, MJ Bronskill, B Levine… - Neuroimage, 2002 - Elsevier
A new protocol is introduced for brain extraction and automatic tissue segmentation of MR
images. For the brain extraction algorithm, proton density and T2-weighted images are used …

Quantifying tissue damage due to focused ultrasound heating observed by MRI

…, M Leitch, RD Peters, MJ Bronskill… - … in Medicine: An …, 1999 - Wiley Online Library
Focused ultrasound heating of ex vivo bovine kidney and liver was monitored using
magnetic resonance imaging (MRI) to investigate the quantitative relationship between time‐…