Authors: Chee-Ming Ting, Hernando Ombao, Sh-Hussain Salleh
arXiv
In this paper, we develop an approach to modeling high-dimensional networks with a large number of nodes arranged in a hierarchical and modular structure. We propose a novel multi-scale factor analysi...
Authors: Sebastian Weichwald, Moritz Grosse-Wentrup, Arthur Gretton
arXiv
Causal inference concerns the identification of cause-effect relationships between variables, e.g. establishing whether a stimulus affects activity in a certain brain region. The observed variables th...
Authors: Carsten Allefeld, Kai Görgen, John-Dylan Haynes
arXiv
In multivariate pattern analysis of neuroimaging data, 'second-level' inference is often performed by entering classification accuracies into a $t$-test vs chance level across subjects. We argue that...
Authors: Yu Jin, Joseph F. JaJa, Rong Chen, Edward H. Herskovits
arXiv
Diffusion Magnetic Resonance Imaging (MRI) exploits the anisotropic diffusion of water molecules in the brain to enable the estimation of the brain's anatomical fiber tracts at a relatively high resol...
Authors: Evrim Acar, Yuri Levin-Schwartz, Vince D. Calhoun, Tülay Adalı
arXiv
Neuroimaging modalities such as functional magnetic resonance imaging (fMRI) and electroencephalography (EEG) provide information about neurological functions in complementary spatiotemporal resolutio...
Authors: Gabriele D'Acunto, Francesco Bonchi, Gianmarco De Francisci Morales, Giovanni Petri
arXiv
The bulk of the research effort on brain connectivity revolves around statistical associations among brain regions, which do not directly relate to the causal mechanisms governing brain dynamics. Here...
Authors: Robert E. Kass, Ryan C. Kelly, Wei-Liem Loh
arXiv
Neural spike trains, which are sequences of very brief jumps in voltage across the cell membrane, were one of the motivating applications for the development of point process methodology. Early work r...
Authors: Raja Marjieh, Pol van Rijn, Ilia Sucholutsky, Harin Lee, Thomas L. Griffiths, Nori Jacoby
arXiv
The speech-to-song illusion is a robust psychological phenomenon whereby a spoken sentence sounds increasingly more musical as it is repeated. Despite decades of research, a complete formal account of...
Authors: Yuriy Mishchenko, Liam Paninski
arXiv
Monte Carlo approaches have recently been proposed to quantify connectivity in neuronal networks. The key problem is to sample from the conditional distribution of a single neuronal spike train, given...
Authors: Shinsuke Koyama
arXiv
Neural coding is a field of study that concerns how sensory information is represented in the brain by networks of neurons. The link between external stimulus and neural response can be studied from t...
Authors: Xinyu Shen, Qimin Zhang, Huili Zheng, Weiwei Qi
arXiv
This study evaluates the performance of various supervised machine learning models in analyzing highly correlated neural signaling data from the Adolescent Brain Cognitive Development (ABCD) Study, wi...
Authors: Francisca A. de Leeuw, Carel F. W. Peeters, Maartje I. Kester, Amy C. Harms, Eduard A. Struys, Thomas Hankemeier, Herman W. T. van Vlijmen, Sven J. van der Lee, Cornelia M. van Duijn, Philip Scheltens, Ayşe Demirkan, Mark A. van de Wiel, Wiesje M. van der Flier, Charlotte E. Teunissen
arXiv
Introduction: Identification of blood-based metabolic changes might provide early and easy-to-obtain biomarkers. Methods: We included 127 AD patients and 121 controls with CSF-biomarker-confirmed di...
Authors: Christoph Bandt
arXiv
To evaluate EEG data, one can count local maxima and minima on a fine scale, in a sliding window analysis. This straightforward calculation, which simplifies and improves previous work on permutation...
Authors: Sean Jewell, Toby Dylan Hocking, Paul Fearnhead, Daniela Witten
arXiv
Calcium imaging data promises to transform the field of neuroscience by making it possible to record from large populations of neurons simultaneously. However, determining the exact moment in time at...
Authors: Wupadrasta Santosh Kumar, Sayali Rajendra Bhutare, Neelam Sinha, Thomas Gregor Issac
arXiv
This study investigates the causal relationships between Clinical Dementia Ratings (CDR) and its six domain scores across two distinct aging datasets: the Alzheimer's Disease Neuroimaging Initiative (...