[PDF] Top 20 Location of the sensorimotor cortex: functional and conventional MR compared
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Location of the sensorimotor cortex: functional and conventional MR compared
... that functional MR imag- ing may have a useful role in the preoperative evaluation of patients undergoing ...landmarks, functional imaging sup- plies the information that is not available from the ... See full document
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Location of hand function in the sensorimotor cortex: MR and functional correlation
... Using a similar approach , three other publications 14-16 described the activation foci projections from 4.8 to 6 em above the anterior commissure-posterior commissure plane, which we ha[r] ... See full document
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Mapping of the sensorimotor cortex: functional MR and magnetic source imaging
... with functional MR imaging in three cases; this was inherently avoided with magnetic source imaging by the spatial position of the detector probe and its restricted ...that functional MR ... See full document
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Optimized Activation of the Primary Sensorimotor Cortex for Clinical Functional MR Imaging
... In addition to the primary sensorimotor cortex, nonprimary cortical areas were also activated to an extent that depended on the paradigm chosen. Comparing the amount of extracentral activation among the ... See full document
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Functional MR Imaging of the Human Sensorimotor Cortex After Toe to Finger Transplantation
... The present data demonstrate that similar to the fingers, both motor and sensory tasks of the transplanted toes consis- tently produced activation in the expected location of the fin- ger homunculus of the primary ... See full document
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A comparison of functional MR activation patterns during silent and audible language tasks
... silently. Functional images created from the echo- planar images by means of cross-correlation techniques were superimposed on anatomic refer- ence ...The location of activation from the two tasks was ... See full document
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The Role of Functional MR Imaging in Patients with Ischemia in the Visual Cortex
... visual cortex was per- formed using a red ...visual cortex area were counted and an asymmetry ratio [AR (%) 5 100 3 (R 2 L)/(R 1 L)/2] was ...examination, conventional MR imaging, and vascular ... See full document
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Comparison of Functional MR Imaging Guidance to Electrical Cortical Mapping for Targeting Selective Motor Cortex Areas in Neuropathic Pain: A Study Based on Intraoperative Stereotactic Navigation
... the functional CS was designed by ...The location of the motor target of the hand was assessed with iSEP, which is considered the gold standard in functional meth- ods for ...iCM-defined ... See full document
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Functional MR Imaging Activation after Finger Tapping Has a Shorter Duration in the Basal Ganglia Than in the Sensorimotor Cortex
... transient hemodynamic response (reference functions 3 and 4), and one function designed to detect the activation when either or both hands were active (reference function 5). Reference functions 1 and 2 were boxcars of ... See full document
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Location of language in the cortex: a comparison between functional MR imaging and electrocortical stimulation
... the cortex. Func- tional magnetic resonance (MR) activation during language tasks has been identified in Broca’s area (2) ...Using Functional MR,” In: Pro- ceedings of the Society for ... See full document
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Presurgical Assessment of the Sensorimotor Cortex Using Resting State fMRI
... tance during surgery, it is an invasive technique that requires ex- pertise of the surgical team and a cooperative and motivated sub- ject. It also adds considerable time to the surgical procedure for an investigation ... See full document
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Plasticity of the Human Motor Cortex in Patients with Arteriovenous Malformations: A Functional MR Imaging Study
... representative functional MR imaging sections in patient 1. Compared with the unaffected right side (Fig 1B), M1 activation in the affected hemisphere was clearly displaced laterally (Fig ...AVM. ... See full document
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Localization of the First and Second Somatosensory Areas in the Human Cerebral Cortex with Functional MR Imaging
... involved functional MR acquisitions in coronal planes with a single-shot echo- planar T2*-weighted sequence (3000/60/1); flip angle, 90 8 ; field of view, 28 3 21 cm; matrix, 96 3 64; and scan time of 2:30 ... See full document
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Test retest analysis with functional MR of the activated area in the human visual cortex
... Reproducibility of the location and shape of activated areas displayed overlapping areas in each subject. A test-retest study with a cogni- tive paradigm (Cohen et al, “Qualitative...”) showed areas of activation ... See full document
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Glioma Grading: Sensitivity, Specificity, and Predictive Values of Perfusion MR Imaging and Proton MR Spectroscopic Imaging Compared with Conventional MR Imaging
... tional MR imaging is often ...perfusion MR imaging and MR spectroscopy not only have become a routine part of glioma imag- ing, but also have become an important adjunctive tool in providing ... See full document
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Altered perfusion of the sensorimotor cortex in patients with cervical spondylotic myelopathy: an arterial spin labeling study
... MRI data acquisition was conducted using a 3.0-T MR system (Trio; Siemens, Munich, Germany) at the First Affili- ated Hospital. Each participant underwent a resting pCASL sequence scan with eyes closed and ... See full document
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Functional MR spectroscopy of the auditory cortex in healthy subjects and patients with sudden hearing loss
... Stimuli were delivered to subjects bilaterally using a GE Sound System, Model 3-5667. A funnel was sealed around each speaker of the sound system and secured to tubing (Fisher Scientific, Pittsburgh, Pa). This tubing was ... See full document
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Dissociation of the Neural Networks Recruited during a Haptic Object Recognition Task: Complementary Results with a Tensorial Independent Component Analysis
... evolving functional brain connectivity mobilized by the whole experimental ...a sensorimotor network (motor program tk;4and execution), executive network (on-line elaboration and correction of haptic ... See full document
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Walking reduces sensorimotor network connectivity compared to standing
... Average Granger causality values were computed for each intra-subject pair of electrocortical sources, within each condition, across the 10 second epochs. We evalu- ated the difference in connectivity strengths for each ... See full document
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Altered Functional Connectivity of the Default Mode Network in Low Empathy Subjects
... test for significant group differences in demographic and clin- ical variables. Selected best-fit components were entered into a second level random-effects analysis in SPM5. Two sample t-tests examined group differences ... See full document
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