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Identifying lesions on structural brain images—Validation of the method and application to neuropsychological patients

The study of neuropsychological disorders has been greatly facilitated by the localization of brain lesions on MRI scans. Current popular approaches for the assessment of MRI brain scans mostly depend on the successful segmentation of the brain into grey and white matter.

出版机构:Elsevier Science

刊物名称:Brain and Language

出版时间:2005

ISSN:0093-934X

数据源:报刊文摘

Idiom comprehension deficits in relation to corpus callosum agenesis and hypoplasia in children with spina bifida meningomyelocele

We studied idiom comprehension in children with spina bifida meningomyelocele (SBM), a neurodevelopmental disorder associated with problems in discourse comprehension and agenesis and hypoplasia of the corpus callosum.

出版机构:Elsevier Science

刊物名称:Brain and Language

出版时间:2005

ISSN:0093-934X

数据源:报刊文摘

Structural brain correlates of prepulse inhibition of the acoustic startle response in healthy humans

Neural regions modulating prepulse inhibition (PPI) of the startle response, an operational measure of sensorimotor gating, are well established from animal studies using surgical and pharmacological procedures.

出版机构:Elsevier Science

刊物名称:NeuroImage

出版时间:2005

ISSN:1053-8119

数据源:报刊文摘

Automated brain tissue assessment in the elderly and demented population: Construction and validation of a sub-volume probabilistic brain atlas

To develop an automated imaging assessment tool that accommodates the anatomic variability of the elderly and demented population as well as the registration errors occurring during spatial normalization.

出版机构:Elsevier Science

刊物名称:NeuroImage

出版时间:2005

ISSN:1053-8119

数据源:报刊文摘

Imaging of the hip

This article reviews imaging modalities used for diagnosis of pathology of the hip, including radiography, CT, nuclear medicine and PET, ultrasound and MRI. Radiographic views including the faux profile view are presented.

出版机构:Elsevier Science

刊物名称:Seminars in Arthroplasty

出版时间:2005

ISSN:1045-4527

数据源:报刊文摘

Profiles with microscopic resolution by single-sided NMR

ingle-sided NMR sensor to produce depth profiles with microscopic spatial resolution is presented. It uses a novel permanent magnet geometry that generates a highly flat sensitive volume parallel to the scanner surface.

出版机构:Elsevier Science

刊物名称:Journal of Magnetic Resonance

出版时间:2005

ISSN:1090-7807

数据源:报刊文摘

Membrane gas diffusion measurements with MRI

Gas transport across polymeric membranes is fundamental to many filtering and separation technologies. To elucidate transport mechanisms, and understand the behaviors of membrane materials, accurate measurement of transport properties is required.

出版机构:Elsevier Science

刊物名称:Journal of Magnetic Resonance

出版时间:2005

ISSN:1090-7807

数据源:报刊文摘

Selecting ordered environments in NMR of spin 3/2 nuclei via frequency-sweep pulses

We demonstrate that frequency-swept pulses can be used for the selective and enhanced detection of quadrupolar nuclei located in anisotropic environments.

出版机构:Elsevier Science

刊物名称:Journal of Magnetic Resonance

出版时间:2005

ISSN:1090-7807

数据源:报刊文摘

Image artifacts in very low magnetic field MRI: The role of concomitant gradients

While MRI at very low magnetic fields has certain potential advantages, it may also face problems that are not typical for MRI at conventional and high field (0.1?10T).

出版机构:Elsevier Science

刊物名称:Journal of Magnetic Resonance

出版时间:2005

ISSN:1090-7807

数据源:报刊文摘

Gradient hysteresis in MRI and NMR experiments

In this paper, we describe a gradient hysteresis effect that can modulate the current in gradient coils during MRI and NMR experiments. A simple pulse sequence is presented for the purpose of evaluating the resulting changes in the accumulated phase.

出版机构:Elsevier Science

刊物名称:Journal of Magnetic Resonance

出版时间:2005

ISSN:1090-7807

数据源:报刊文摘