7 papers
Warp Quantification Analysis: A Framework For Path-based Signal Alignment Metrics
Sir-Lord Wiafe, Vince D. Calhoun
Dynamic time warping (DTW) is widely used to align time series evolving on mismatched timescales, yet most applications reduce alignment to a scalar distance. We introduce warp qua…
Complex-valued Phase Synchrony Reveals Directional Coupling in FMRI and Tracks Medication Effects
Sir-Lord Wiafe, Najme Soleimani, Masoud Seraji +4
Understanding interactions in complex systems requires capturing the relative timing of coupling, not only its strength. Phase synchronization captures this timing, yet most method…
Causal Graph Recovery in Neuroimaging through Answer Set Programming
Mohammadsajad Abavisani, Kseniya Solovyeva, David Danks +2
Learning graphical causal structures from time series data presents significant challenges, especially when the measurement frequency does not match the causal timescale of the sys…
Functional Correspondences in the Human and Marmoset Visual Cortex During Movie Watching: Insights from Correlation, Redundancy, and Synergy
Qiang Li, Ting Xu, Vince D. Calhoun
The world of beauty is deeply connected to the visual cortex, as perception often begins with vision in both humans and marmosets. In this study, to investigate their functional co…
Copula-Linked Parallel ICA: A Method for Coupling Structural and Functional MRI brain Networks
Oktay Agcaoglu, Rogers F. Silva, Deniz Alacam +3
Different brain imaging modalities offer unique insights into brain function and structure. Combining them enhances our understanding of neural mechanisms. Prior multimodal studies…
Correlation of Correlation Networks: High-Order Interactions in the Topology of Brain Networks
Qiang Li, Jingyu Liu, Vince D. Calhoun
To understand collective network behavior in the complex human brain, pairwise correlation networks alone are insufficient for capturing the high-order interactions that extend bey…