نتایج جستجو برای: fmri
تعداد نتایج: 36356 فیلتر نتایج به سال:
Recently introduced 3D radial MRI pulse sequence entitled Multi-Band SWeep Imaging with Fourier Transformation (MB-SWIFT) having virtually zero acquisition delay was used to obtain functional MRI (fMRI) contrast in rat's brain at 9.4 T during deep brain stimulation (DBS). The results demonstrate that MB-SWIFT allows functional images free of susceptibility artifacts, and provides an excellent f...
In functional magnetic resonance imaging (fMRI) studies using spatial independent component analysis (sICA) method, a model of "latent variables" is often employed, which is based on the assumption that fMRI data are linear mixtures of statistically independent signals. However, actual fMRI signals are nonlinear and do not automatically meet with the requirement of sICA. To provide a better sol...
This research essay outlines a set of guidelines for conducting functional Magnetic Resonance Imaging (fMRI) studies in social science research in general and also, accordingly, in Information Systems research. Given the increased interest in using neuroimaging tools across the social sciences, this study aims at specifying the key steps needed to conduct an fMRI study while ensuring that enoug...
The localization of human hand primary motor area (M1) has been the object of several studies during the last decades. EEG source analysis, functional magnetic resonance imaging (fMRI) and focal transcranial magnetic stimulation (TMS) are non-invasive methods for localizing M1 with good accuracy compared to direct electrocorticography (ECoG) results. EEG sources were reconstructed with Cortical...
Abstract Recently, advances in neuroscience have attracted attention to the diagnosis, treatment, and damage schizophrenia-associated brain regions using resting-state functional magnetic resonance imaging (rs-fMRI). This research is immersed endowment of machine learning approaches for discriminating schizophrenia patients provide a viable solution. Toward these goals, firstly, we implemented ...
Background: Accelerated intermittent theta-burst stimulation (aiTBS) using resting-state functional magnetic resonance imaging (fMRI)-based neuronavigation was recently cleared by the FDA for use in adults with depression. The objective of this study to gauge clinical utility fMRI-guided adolescents Methods: Three individuals (male, 16-17 years) underwent fMRI scanning prior treatment. Individu...
در سال های اخیر یافتن یک فهم کمّی از فعالیت مغز برای گروهی از پیشگامان در این زمینه مطرح بوده است. مغز به منزله ی یک بافت پر سلولی با یاخته هایی که دینامیک غیر خطی آنها به صورت تجمعی به پدیده هایی نظیر شناخت، هوش و ... منجر می شود، شناخته می شود. طی سال های اخیر جمعی از فیزیکدانان بر آن بوده اند که با استفاده از ابزارهای ریاضی نظیر آنچه در رهیافت مکانیک آماری برای مطالعه سیستم های بس ذره ای استف...
Human brain activity maps are produced by functional MRI (fMRI) research that describes the average level of engagement during a specific task various regions. Functional connectivity interrelationship, integrated performance, and organization these different This study investigates to quantify interactions between regions engaged concurrently in task. The key focus this was introduce demonstra...
Since the 1990s, functional magnetic resonance imaging (fMRI) techniques have continued to advance, which has led researchers and non specialists alike regard this technique as infallible. However, at end of 2008, a scientific controversy related media coverage called neuroimaging practices into question cast doubt on capacity fMRI studies produce reliable results. The purpose article is retrac...
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