User profiles for Alan Evans
Alan Evans, PhD, FRSC, FCAHS, CACCDistinguished James McGill Professor of Neurology, Victor Dahdaleh Chair in … Verified email at mcgill.ca Cited by 195096 |
A nonparametric method for automatic correction of intensity nonuniformity in MRI data
A novel approach to correcting for intensity nonuniformity in magnetic resonance (MR) data
is described that achieves high performance without requiring a model of the tissue classes …
is described that achieves high performance without requiring a model of the tissue classes …
Brain development during childhood and adolescence: a longitudinal MRI study
Pediatric neuroimaging studies 1, 2, 3, 4, 5, up to now exclusively cross sectional, identify
linear decreases in cortical gray matter and increases in white matter across ages 4 to 20. In …
linear decreases in cortical gray matter and increases in white matter across ages 4 to 20. In …
Automatic 3D intersubject registration of MR volumetric data in standardized Talairach space
Objective: In both diagnostic and research applications, the interpretation of MR images of
the human brain is facilitated when different data sets can be compared by visual inspection …
the human brain is facilitated when different data sets can be compared by visual inspection …
A three-dimensional statistical analysis for CBF activation studies in human brain
Many studies of brain function with positron emission tomography (PET) involve the interpretation
of a subtracted PET image, usually the difference between two images under baseline …
of a subtracted PET image, usually the difference between two images under baseline …
A unified statistical approach for determining significant signals in images of cerebral activation
We present a unified statistical theory for assessing the significance of apparent signal
observed in noisy difference images. The results are usable in a wide range of applications, …
observed in noisy difference images. The results are usable in a wide range of applications, …
Developmental trajectories of brain volume abnormalities in children and adolescents with attention-deficit/hyperactivity disorder
ContextVarious anatomic brain abnormalities have been reported for attention-deficit/hyperactivity
disorder (ADHD), with varying methods, small samples, cross-sectional designs, and …
disorder (ADHD), with varying methods, small samples, cross-sectional designs, and …
Design and construction of a realistic digital brain phantom
…, NJ Kabani, CJ Holmes, AC Evans - IEEE transactions on …, 1998 - ieeexplore.ieee.org
After conception and implementation of any new medical image processing algorithm,
validation is an important step to ensure that the procedure fulfils all requirements set forth at the …
validation is an important step to ensure that the procedure fulfils all requirements set forth at the …
Assessing the significance of focal activations using their spatial extent
…, RSJ Frackowiak, JC Mazziotta, AC Evans - Human brain …, 1994 - Wiley Online Library
Current approaches to detecting significantly activated regions of cerebral tissue use statistical
parametric maps, which are thresholded to render the probability of one or more activated …
parametric maps, which are thresholded to render the probability of one or more activated …
Lateralization of phonetic and pitch discrimination in speech processing
Cerebral activation was measured with positron emission tomography in ten human
volunteers. The primary auditory cortex showed increased activity in response to noise bursts, …
volunteers. The primary auditory cortex showed increased activity in response to noise bursts, …
Unbiased average age-appropriate atlases for pediatric studies
Spatial normalization, registration, and segmentation techniques for Magnetic Resonance
Imaging (MRI) often use a target or template volume to facilitate processing, take advantage of …
Imaging (MRI) often use a target or template volume to facilitate processing, take advantage of …