Sex Commonalities and Differences in Obesity-Related Alterations in Intrinsic Brain Activity and Connectivity. [PDF]
, 2018 OBJECTIVE:This study aimed to characterize obesity-related sex differences in the intrinsic activity and connectivity of the brain's reward networks. METHODS:Eighty-six women (n = 43) and men (n = 43) completed a 10-minute resting functional magnetic ...
Anderberg +44 more
core +1 more source
Spectral Bounds for the Connectivity of Regular Graphs with Given Order [PDF]
, 2018 The second-largest eigenvalue and second-smallest Laplacian eigenvalue of a graph are measures of its connectivity. These eigenvalues can be used to analyze the robustness, resilience, and synchronizability of networks, and are related to connectivity ...
Abiad, Aida +4 more
core +4 more sources
On the role of the corpus callosum in interhemispheric functional connectivity in humans [PDF]
, 2017 Resting state functional connectivity is defined in terms of temporal correlations between physiologic signals, most commonly studied using functional magnetic resonance imaging. Major features of functional connectivity correspond to structural (axonal)
Hacker, Carl D. +8 more
core +2 more sources
Absence of epidemic threshold in scale-free networks with connectivity correlations [PDF]
, 2002 Random scale-free networks have the peculiar property of being prone to the spreading of infections. Here we provide an exact result showing that a scale-free connectivity distribution with diverging second moment is a sufficient condition to have null ...
Alessandro Vespignani +5 more
core +2 more sources
State-dependent changes of connectivity patterns and functional brain network topology in Autism Spectrum Disorder [PDF]
, 2012 Anatomical and functional brain studies have converged to the hypothesis that Autism Spectrum Disorders (ASD) are associated with atypical connectivity.
Barttfeld, Pablo +6 more
core +2 more sources
Dynamic BOLD functional connectivity in humans and its electrophysiological correlates [PDF]
, 2012 Neural oscillations subserve many human perceptual and cognitive operations. Accordingly, brain functional connectivity is not static in time, but fluctuates dynamically following the synchronization and desynchronization of neural populations.
Brodbeck, Verena +4 more
core +2 more sources
Fixed-Connectivity Membranes [PDF]
, 2004 The statistical mechanics of flexible surfaces with internal elasticity and shape fluctuations is summarized. Phantom and self-avoiding isotropic and anisotropic membranes are discussed, with emphasis on the universal negative Poisson ratio common to the
Bowick, Mark J.
core +3 more sources
Secluded Connectivity Problems [PDF]
, 2012 Consider a setting where possibly sensitive information sent over a path in a network is visible to every {neighbor} of the path, i.e., every neighbor of some node on the path, thus including the nodes on the path itself.
Chechik, Shiri +3 more
core +1 more source
In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS
FEBS Letters, EarlyView.We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka +11 more
wiley +1 more source
Exactly solvable model with two conductor-insulator transitions driven by impurities
, 2001 We present an exact analysis of two conductor-insulator transitions in the random graph model. The average connectivity is related to the concentration of impurities. The adjacency matrix of a large random graph is used as a hopping Hamiltonian.
A. Brooks Harris +6 more
core +3 more sources