[PDF] Top 20 Intrasubject Reproducibility of Functional MR Imaging Activation in Language Tasks
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Intrasubject Reproducibility of Functional MR Imaging Activation in Language Tasks
... different tasks. One combination set consisted of the datasets from all the tasks and 2 other combination datasets contained the data from 3 of the 6 tasks; one set consisting of the 3 ... See full document
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A comparison of functional MR activation patterns during silent and audible language tasks
... in Functional MR Imaging,’’ presented at the Ra- diological Society of North America 80th Scien- tific Assembly and Annual Meeting, Chicago, Ill, November 27–December 2, ...1994). Functional ... See full document
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Functional MR Imaging Study of Language Related Differences in Bilingual Cerebellar Activation
... non-native language (English) than with the native language ...supratentorial activation is observed in L2 as com- pared with ...lar activation in the bilingual literature seem to indi- cate ... See full document
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Multiple Reproducibility Indices for Evaluation of Cognitive Functional MR Imaging Paradigms
... study language processing demon- strate good reproducibility over four test-retest ses- ...of reproducibility alone is insufficient to evaluate the utility of a para- digm for clinical ...of ... See full document
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Reliability of Functional MR Imaging with Word Generation Tasks for Mapping Broca's Area
... word-generation tasks were tabulated in 34 consecutive patients referred for fMR imaging mapping of language ...word-generation tasks, test-retest reliability was quantified by using the ... See full document
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Reproducibility of Proton MR Spectroscopic Imaging (PEPSI): Comparison of Dyslexic and Normal Reading Children and Effects of Treatment on Brain Lactate Levels during Language Tasks
... Serafini et al have reviewed several aspects of lac- tate as a metabolite during brain activation based on decades of research on this issue (8). Since the 1940s, we have recognized that elevated tissue lactate ... See full document
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Location of language in the cortex: a comparison between functional MR imaging and electrocortical stimulation
... of language stimulation tags that matched language activation areas was considered the true-positive rate, or sensitivity, of functional MR ...tional MR imaging. The ... See full document
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Functional MR Imaging Using a Visually Guided Saccade Paradigm for Comparing Activation Patterns in Patients with Probable Alzheimer's Disease and in Cognitively Able Elderly Volunteers
... of activation in the two population groups can be rationalized using a mod- el of cognitive function reported previously on cog- nitively able volunteers performing language com- prehension (32) and ... See full document
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Memory Lateralization with 2 Functional MR Imaging Tasks in Patients with Lesions in the Temporal Lobe
... or language functions based on the interpretation of ...No activation of a determinate brain area obtained in fMRI may be interpreted as a lack of participation of this area in a cognitive ...of ... See full document
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Cerebral Activation during Multiplication: A Functional MR Imaging Study of Number Processing
... (21). Functional MR (fMR) imaging during a sim- ilar task revealed inferior parietal and lateral frontal activation ...tiplication tasks, reported that a large number of brain regions ... See full document
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Assessment of the Language Laterality Index in Patients with Brain Tumor Using Functional MR Imaging: Effects of Thresholding, Task Selection, and Prior Surgery
... right-hemispheric activation in the LI calculation, re- sulting in an LI that mistakenly indicates right-hemispheric language ...in language lateralization, per- forming 3 tasks, supports the ... See full document
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Reproducibility of Activations in Broca Area with Two Language Tasks: A Functional MR Imaging Study
... little activation in the Broca area during naming and strong activation during noun ...in activation patterns in the first experiment was because of the various lengths of the required motor ... See full document
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Functional MR Imaging on an Open 1T MR Imaging System: Exploiting the Advantages of an Open MR Imaging System for Functional MR Imaging
... 1T MR imaging scanner. However, when focusing on neural activation in the motor or visual cortex, especially in individual studies, one may consider choosing a TE higher than 70 ... See full document
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Optimized Activation of the Primary Sensorimotor Cortex for Clinical Functional MR Imaging
... extracentral activation among the different paradigms, paradigms 1 and 2 (unilateral movement versus rest) exhibited the highest percentage of activated voxels outside the central ...extracentral activation ... See full document
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Evaluation of a Signal Intensity Mask in the Interpretation of Functional MR Imaging Activation Maps
... erage issues was present in 44% of the patients ex- amined. The cause of the artifact was most commonly blood products, with the second most common cause being surgical site artifact. Cases with tumors and vascular ... See full document
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Mapping of the sensorimotor cortex: functional MR and magnetic source imaging
... gradient-echo MR imaging, using ana- tomic landmarks (nasion, left and right preauricular points) marked during magnetic source imaging examina- tion, and used to define the magnetic source ... See full document
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Reproducibility of Visual Activation in Functional MR Imaging and Effects of Postprocessing
... of activation in functional MR imaging ...in reproducibility could be due to the particular measures we used, since they are dependent on ...higher reproducibility at the lower ... See full document
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Quantification and Reproducibility of Tracking Cortical Extent of Activation by Use of Functional MR Imaging and Magnetoencephalography
... Functional MR imaging was performed using a GE Signa ...echo-planar imaging was performed with the following parameters: 2000/69 (TR/TE); flip angle, 60 8 ; matrix, 256 3 128; field of view, ... See full document
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Improvement of Clinical Language Localization with an Overt Semantic and Syntactic Language Functional MR Imaging Paradigm
... 3 activation (A) periods with a duration of 20 seconds each in the order of CACACAC, resulting in a total duration of 150 seconds per run (Fig ...every activation period, 2 German sentences consisting of 4 ... See full document
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Aberrant Neural Activation Underlying Idiom Comprehension in Korean Children with High Functioning Autism Spectrum Disorder
... acteristics were exclusionary for the ASD group: 1) current brain damage or convulsive disorder, or history of same; 2) in- tellectual disability or language delay; or 3) comorbid child and adolescent psychiatric ... See full document
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