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#1Patti Nijhuis (USYD: University of Sydney)H-Index: 2
#2Peter E. Keller (USYD: University of Sydney)H-Index: 51
Last. Manuel Varlet (USYD: University of Sydney)H-Index: 17
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People have a natural and intrinsic ability to coordinate body movements with rhythms surrounding them, known as sensorimotor synchronisation. This can be observed in daily environments, when dancing or singing along with music, or spontaneously walking, talking or applauding in synchrony with one another. However, the neurophysiological mechanisms underlying accurately synchronised movement with selected rhythms in the environment remain unclear. Here we studied real and imagined sensorimotor s...
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Abstract null null Data-driven disease progression models have provided important insight into the timeline of brain changes in AD phenotypes. However, their utility in predicting the progression of pre-symptomatic AD in a population-based setting has not yet been investigated. In this study, we investigated if the disease timelines constructed in a case-controlled setting, with subjects stratified according to APOE status, are generalizable to a population-based cohort, and if progression along...
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Abstract null null Neurite Orientation Dispersion and Density Imaging (NODDI) and Bingham-NODDI diffusion MRI models are nowadays very well-known models in the field of diffusion MRI as they represent powerful tools for the estimation of brain microstructure. In order to efficiently translate NODDI imaging findings into the diagnostic clinical practice, a test-retest approach would be useful to assess reproducibility and reliability of NODDI biomarkers, thus providing validation on precision of ...
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#1Sara Lorio (St Thomas' Hospital)
#2Jan Sedlacik ('KCL': King's College London)H-Index: 1
Last. David W. Carmichael (St Thomas' Hospital)H-Index: 30
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OBJECTIVE Malformations of cortical development (MCD), including focal cortical dysplasia (FCD), are the most common cause of drug-resistant focal epilepsy in children. Histopathological lesion characterisation demonstrates abnormal cell types and lamination, alterations in myelin (typically co-localised with iron), and sometimes calcification. Quantitative susceptibility mapping (QSM) is an emerging MRI technique that measures tissue magnetic susceptibility (χ) reflecting it's mineral compositi...
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#1Sayan Ghosal (Johns Hopkins University)H-Index: 3
#2Qiang ChenH-Index: 111
Last. Alessandro Bertolino (University of Bari)H-Index: 9
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We propose a novel optimization framework that integrates imaging and genetics data for simultaneous biomarker identification and disease classification. The generative component of our model uses a dictionary learning framework to project the imaging and genetic data into a shared low dimensional space. We have coupled both the data modalities by tying the linear projection coefficients to the same latent space. The discriminative component of our model uses logistic regression on the projectio...
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#1Jean-Pierre Falet (McGill University)H-Index: 3
#2Jonathan Cote (McGill University)H-Index: 1
Last. Etienne de Villers-Sidani (McGill University)H-Index: 16
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We present a novel method to map the functional organization of the human auditory cortex noninvasively using magnetoencephalography (MEG). More specifically, this method estimates via reverse correlation the spectrotemporal receptive fields (STRF) in response to a temporally dense pure tone stimulus, from which important spectrotemporal characteristics of neuronal processing can be extracted and mapped back onto the cortex surface. We show that several neuronal populations can be found examinin...
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Evidence from language, visual and sensorimotor learning suggests that training early in life is more effective. The present work explores the hypothesis that learning during sensitive periods involves distinct brain networks in addition to those involved when learning later in life. Expert pianists were tested who started their musical training early (<7 years of age; n = 21) or late (n = 15), but were matched for total lifetime practice. Motor timing expertise was assessed using a musical scal...
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#1Elveda Gozdas (Stanford University)H-Index: 4
#2Hannah Fingerhut (Stanford University)H-Index: 1
Last. S. M. Hadi Hosseini (Stanford University)H-Index: 22
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Abstract Healthy and pathological aging influence brain microstructure via complex processes. Discerning these processes require measurements that are sensitive to specific biological properties of brain tissue. We integrated a novel quantitative R1 measure with multi-shell diffusion weighted imaging to map age-associated changes in macromolecular tissue volume (MTV) along major white matter tracts in healthy older adults and patients with amnestic Mild Cognitive Impairment (aMCI). Reduced MTV i...
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#1Yiran DuanH-Index: 3
#2Jayant Thatte (Stanford University)H-Index: 4
Last. Anthony M. NorciaH-Index: 55
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Abstract Horizontal disparities between the two eyes’ retinal images are the primary cue for depth. Commonly used Random dot stereograms (RDS) intentionally camouflage the disparity cue, breaking the correlations between monocular image structure and the depth map that are present in natural images. Because of the nonlinear nature of visual processing, it is unlikely that simple computational rules derived from RDS will be sufficient to explain binocular vision in natural environments. In order ...
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#1Wonsik Jung (KU: Korea University)H-Index: 1
#2Eunji Jun (KU: Korea University)H-Index: 3
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Alzheimer's disease (AD) is known as one of the major causes of dementia and is characterized by slow progression over several years, with no treatments or available medicines. In this regard, there have been efforts to identify the risk of developing AD in its earliest time. While many of the previous works considered cross-sectional analysis, more recent studies have focused on the diagnosis and prognosis of AD with longitudinal or time series data in a way of disease progression modeling. Und...
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