AIMC Topic: Neural Pathways

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Differential Covariance: A New Method to Estimate Functional Connectivity in fMRI.

Neural computation Sep 18, 2020
Measuring functional connectivity from fMRI recordings is important in understanding processing in cortical networks. However, because the brain's connection pattern is complex, currently used methods are prone to producing false functional connectio...
Brain Mapping Neural Pathways Nerve Net Animals Image Processing, Computer-Assisted Magnetic Resonance Imaging Models, Neurological Humans Neural Networks, Computer Brain
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Systematic errors in connectivity inferred from activity in strongly recurrent networks.

Nature neuroscience Sep 7, 2020
Understanding the mechanisms of neural computation and learning will require knowledge of the underlying circuitry. Because it is difficult to directly measure the wiring diagrams of neural circuits, there has long been an interest in estimating them...
Humans Models, Neurological Action Potentials Neurons Neural Pathways Neural Networks, Computer Data Analysis Brain Animals
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Disentangling time series between brain tissues improves fMRI data quality using a time-dependent deep neural network.

NeuroImage Sep 6, 2020
Functional MRI (fMRI) is a prominent imaging technique to probe brain function, however, a substantial proportion of noise from multiple sources influences the reliability and reproducibility of fMRI data analysis and limits its clinical applications...
Brain Mapping Artifacts Neural Pathways Aged Male Image Processing, Computer-Assisted Humans Magnetic Resonance Imaging Neural Networks, Computer Brain Female Reproducibility of Results
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Structural characterization of the Extended Frontal Aslant Tract trajectory: A ML-validated laterality study in 3T and 7T.

NeuroImage Aug 13, 2020
The Extended Frontal Aslant Tract (exFAT) is a recently described tractography-based extension of the Frontal Aslant Tract connecting Broca's territory to both supplementary and pre-supplementary motor areas, and more anterior prefrontal regions. In ...
Humans Machine Learning Connectome Neural Pathways Functional Laterality Diffusion Tensor Imaging Female Adult Male White Matter Motor Cortex
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Neural dynamics of perceptual inference and its reversal during imagery.

eLife Jul 20, 2020
After the presentation of a visual stimulus, neural processing cascades from low-level sensory areas to increasingly abstract representations in higher-level areas. It is often hypothesised that a reversal in neural processing underlies the generatio...
Young Adult Adult Spatio-Temporal Analysis Neural Pathways Perception Magnetoencephalography Mental Processes Humans Machine Learning
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Outcome prediction with resting-state functional connectivity after cardiac arrest.

Scientific reports Jul 16, 2020
Predicting outcome in comatose patients after successful cardiopulmonary resuscitation is challenging. Our primary aim was to assess the potential contribution of resting-state-functional magnetic resonance imaging (RS-fMRI) in predicting neurologica...
Heart Arrest Coma Neural Pathways Nerve Net Thalamus Cardiopulmonary Resuscitation Young Adult Adult Male Middle Aged Adolescent Magnetic Resonance Imaging Brain Mapping Consciousness Clinical Decision-Making Female Aged Aged, 80 and over Machine Learning Prospective Studies Prognosis Humans
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Nonlinear ICA of fMRI reveals primitive temporal structures linked to rest, task, and behavioral traits.

NeuroImage May 30, 2020
Accumulating evidence from whole brain functional magnetic resonance imaging (fMRI) suggests that the human brain at rest is functionally organized in a spatially and temporally constrained manner. However, because of their complexity, the fundamenta...
Brain Mapping Intelligence Memory, Short-Term Humans Task Performance and Analysis Rest Neural Networks, Computer Neural Pathways Brain Image Processing, Computer-Assisted Magnetic Resonance Imaging
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The NanoZoomer artificial intelligence connectomics pipeline for tracer injection studies of the marmoset brain.

Brain structure & function May 4, 2020
We describe our connectomics pipeline for processing anterograde tracer injection data for the brain of the common marmoset (Callithrix jacchus). Brain sections were imaged using a batch slide scanner (NanoZoomer 2.0-HT) and we used artificial intell...
Neuroanatomical Tract-Tracing Techniques Neural Pathways Animals Atlases as Topic Magnetic Resonance Imaging Callithrix Neurons Connectome Artificial Intelligence Brain
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Working memory load-dependent changes in cortical network connectivity estimated by machine learning.

NeuroImage May 1, 2020
Working memory engages multiple distributed brain networks to support goal-directed behavior and higher order cognition. Dysfunction in working memory has been associated with cognitive impairment in neuropsychiatric disorders. It is important to cha...
Female Young Adult Adult Male Image Processing, Computer-Assisted Support Vector Machine Magnetic Resonance Imaging Brain Mapping Humans Machine Learning Brain Memory, Short-Term Neural Pathways Reaction Time Nerve Net Psychomotor Performance Cerebral Cortex
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Classifying heterogeneous presentations of PTSD via the default mode, central executive, and salience networks with machine learning.

NeuroImage. Clinical Apr 22, 2020
Intrinsic connectivity networks (ICNs), including the default mode network (DMN), the central executive network (CEN), and the salience network (SN) have been shown to be aberrant in patients with posttraumatic stress disorder (PTSD). The purpose of ...
Stress Disorders, Post-Traumatic Female Nerve Net Humans Adult Emotions Amygdala Machine Learning Male Brain Mapping Dissociative Disorders Brain Middle Aged Neural Pathways
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