Leukoencephalopathy with swelling and a discrepantly mild clinical course in eight children

…, WFM Arts, F Hoogenraad… - Annals of Neurology …, 1995 - Wiley Online Library
An identical syndrome of cerebral leukoencephalopathy and megalencephaly with infantile
onset was discovered in 8 children, including 2 siblings. Neurological findings were initially …

T2* measurements in human brain at 1.5, 3 and 7 T

AM Peters, MJ Brookes, FG Hoogenraad… - Magnetic resonance …, 2007 - Elsevier
Measurements have been carried out in six subjects at magnetic fields of 1.5, 3 and 7 T, with
the aim of characterizing the variation of T 2 * with field strength in human brain. Accurate …

In vivo measurement of blood oxygen saturation using magnetic resonance imaging: a direct validation of the blood oxygen level‐dependent concept in functional …

…, K Kuppusamy, FGC Hoogenraad… - Human brain …, 1997 - Wiley Online Library
A novel noninvasive magnetic resonance imaging (MRI) method was developed to determine
in vivo blood oxygen saturation and its changes during motor cortex activation in small …

Test-retest analysis with functional MR of the activated area in the human visual cortex.

…, F Barkhof, FG Hoogenraad… - American journal …, 1997 - Am Soc Neuroradiology
PURPOSE To investigate the intersubject and intrasubject variability of the activated area in
the visual cortex with functional MR imaging. METHODS Double-section gradient-echo MR …

Within-subject reproducibility of visual activation patterns with functional magnetic resonance imaging using multislice echo planar imaging

SARB Rombouts, F Barkhof, FGC Hoogenraad… - Magnetic resonance …, 1998 - Elsevier
Within-subject reproducibility of visual brain activation using multislice echo planar functional
magnetic resonance imaging (fMRI) was tested. Ten healthy subjects underwent fMRI with …

Functional MRI using sensitivity-encoded echo planar imaging (SENSE-EPI)

…, U Pilatus, J Bunke, F Hoogenraad, F Zanella… - Neuroimage, 2003 - Elsevier
Parallel imaging methods become increasingly available on clinical MR scanners. To investigate
the potential of sensitivity-encoded single-shot EPI (SENSE-EPI) for functional MRI, five …

In vivo measurement of changes in venous blood‐oxygenation with high resolution functional MRI at 0.95 Tesla by measuring changes in susceptibility and velocity

FGC Hoogenraad, JR Reichenbach… - Magnetic resonance …, 1998 - Wiley Online Library
… of the oxygenation level, AY = 0.16 f 0.08 (n = 7) and AY = 0.13 f 0.09 (n = 4), were obtained
from … Schematic vectorial representation ?f the two compartment model to illustrate the phase …

Quantitative differentiation between BOLD models in fMRI

FGC Hoogenraad, PJW Pouwels… - … in Medicine: An …, 2001 - Wiley Online Library
Several gradient‐echo fMRI blood oxygenation level‐dependent (BOLD) effects are described
in the literature: extravascular spin dephasing around capillaries and veins, intravascular …

Reproducibility of brain ADC histograms

…, F Admiraal-Behloul, JA Schaap, FGC Hoogenraad… - European …, 2004 - Springer
The aim of this study was to assess the effect of differences in acquisition technique on
whole-brain apparent diffusion coefficient (ADC) histogram parameters, as well as to assess scan…

High-resolution segmented EPI in a motor task fMRI study

FGC Hoogenraad, PJW Pouwels, MBM Hofman… - Magnetic resonance …, 2000 - Elsevier
A high-resolution gradient echo, multi-slice segmented echo planar imaging method was
used for functional MRI (fMRI) using a motor task at 1.5 Tesla. Functional images with an in-…