Linking Functional Connectivity and Structural Connectivity Quantitatively: A Comparison of Methods
نویسندگان
چکیده
منابع مشابه
Linking Structural Brain Disease, Connectivity and Cognition
Are structural changes in the brain a normal byproduct of the aging process? This complex question can be addressed by separately evaluating the contribution of four commonly observed changes—cortical atrophy (increased sulcal cerebrospinal fluid), central atrophy (ventricular enlargement), deep white matter hyperintensities (DWMHs) and periventricular hyperintensities (PVHs)—all of which can b...
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Introduction: Studies that examine the relationship of functional and structural connectivity are important in interpreting neurophysiological data. Although, the relationship between functional and structural connectivity has been explored with a number of statistical tools [1, 2], there is no explicit attempt to quantitatively measure how well functional data can be predicted from structural ...
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Today, neuroscientists are interested in discovering human brain functions through brain networks. In this regard, the evaluation of dynamic changes in functional connectivity of the brain regions by using functional magnetic resonance imaging data has attracted their attention. In this paper, we focus on two model-based approaches, called the exponential weighted moving average model and the d...
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In the cerebral cortex, the activity levels of neuronal populations are continuously fluctuating. When neuronal activity, as measured using functional MRI (fMRI), is temporally coherent across 2 populations, those populations are said to be functionally connected. Functional connectivity has previously been shown to correlate with structural (anatomical) connectivity patterns at an aggregate le...
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ژورنال
عنوان ژورنال: Brain Connectivity
سال: 2016
ISSN: 2158-0014,2158-0022
DOI: 10.1089/brain.2015.0382