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AbstractStroke is a leading cause of adult disability and strategies to improve motor recovery are vital. Real-time functional magnetic resonance imaging (fMRI) neurofeedback aims to drive brain activation towards optimal patterns through online feedback. The p...Oct 20, 2019
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AbstractTo make sense of the world, it is necessary to segment our ongoing stream of experience into unique events i.e. event segmentation. One approach to studying event segmentation uses functional magnetic resonance imaging (fMRI) responses while participant...Oct 20, 2019
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AbstractHow are sounds represented in the human brain? Here we use similarity-based fusion of human magnetoencephalography (MEG) and functional magnetic resonance imaging (fMRI) responses from sounds of human voices, animals, objects, and spaces to resolve the ...Oct 20, 2019
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AbstractReal-Time Functional Magnetic Resonance Imaging (rt-FMRI) neurofeedback is a non-invasive neuroimaging technique that allows subjects to gain control of their brain responses via online feedback of neuronally induced local changes in blood oxygenation (...Nov 15, 2017
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AbstractExtant theories of neurocognitive aging are largely based on age differences in blood-oxygen-level-dependent signal (BOLD) as measured with functional magnetic resonance imaging (fMRI). Straightforward interpretation of age-related changes in BOLD as an...Nov 14, 2017
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AbstractRecent investigations into the neural basis of visual word processing have made substantial progress by exploiting the spatial structure of functional magnetic resonance imaging (fMRI) data. For instance, fMRI patterns in visual areas have been reliably...Nov 13, 2017
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AbstractThe current functional magnetic resonance imaging (fMRI) study was designed to investigate not only the neurocognitive differences in working memory updating between younger and older adults, but also to further elucidate these differences within an eld...Nov 11, 2017
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AbstractFunctional magnetic resonance imaging (fMRI) data are traditionally analyzed using univariate approaches in which each voxel is treated independent of all the other voxels. Rich information contained in the multi-voxel patterns of brain activation is ig...Nov 12, 2016
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AbstractThe objective of this study was to develop several flexible, extendable virtual environments that can be explored by subjects during functional magnetic resonance imaging (fMRI) to investigate brain activity underlying navigation and object recall in fe...Nov 5, 2007
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Interoceptive awareness, an awareness of the internal body state, guides adaptive behavior by providing ongoing information on body signals, such as heart rate and energy status. However, it is still unclear how interoceptive awareness of different body organs are represented in the human brain. Hence, we directly compared the neural activations accompanying attention to cardiac (related to heartbeat) and gastric (related to stomach) sensations, which generate cardiac and gastric interoceptive awareness, in the same population (healthy humans, N = 31). Participants were asked to direct their attention toward heart and stomach sensations and become aware of them in a magnetic resonance imaging (MRI) scanner. The results indicated that the neural activations underlying gastric attention encompassed larger brain regions, including the occipitotemporal visual cortices, bilateral primary motor cortices, primary somatosensory cortex, left orbitofrontal cortex, and hippocampal regions. Cardiac attention, however...Jan 1, 2023