Zobrazeno 1 - 10
of 194
pro vyhledávání: '"Babadi, Behtash"'
Complex systems, such as brains, markets, and societies, exhibit internal dynamics influenced by external factors. Disentangling delayed external effects from internal dynamics within these systems is often challenging. We propose using a Vector Auto
Externí odkaz:
http://arxiv.org/abs/2404.10834
Autor:
Das, Proloy, Babadi, Behtash
Granger causality is among the widely used data-driven approaches for causal analysis of time series data with applications in various areas including economics, molecular biology, and neuroscience. Two of the main challenges of this methodology are:
Externí odkaz:
http://arxiv.org/abs/2103.02774
Autor:
Mukherjee, Shoutik1,2 (AUTHOR), Babadi, Behtash1,2 (AUTHOR) behtash@umd.edu
Publikováno v:
PLoS Computational Biology. 5/28/2024, Vol. 20 Issue 5, p1-27. 27p.
Extracting the spectral representations of the neural processes that underlie spiking activity is key to understanding how the brain rhythms mediate cognitive functions. While spectral estimation of continuous time-series is well studied, inferring t
Externí odkaz:
http://arxiv.org/abs/1906.09359
Autor:
Das, Proloy, Babadi, Behtash
Investigating the spectral properties of the neural covariates that underlie spiking activity is an important problem in systems neuroscience, as it allows to study the role of brain rhythms in cognitive functions. While the spectral estimation of co
Externí odkaz:
http://arxiv.org/abs/1906.08451
Autor:
Soleimani, Behrad, Das, Proloy, Dushyanthi Karunathilake, I.M., Kuchinsky, Stefanie E., Simon, Jonathan Z., Babadi, Behtash
Publikováno v:
In NeuroImage 15 October 2022 260
Autor:
Krishnaswamy, Pavitra, Obregon-Henao, Gabriel, Ahveninen, Jyrki, Khan, Sheraz, Babadi, Behtash, Iglesias, Juan Eugenio, Hamalainen, Matti S., Purdon, Patrick L.
Subcortical structures play a critical role in brain function. However, options for assessing electrophysiological activity in these structures are limited. Electromagnetic fields generated by neuronal activity in subcortical structures can be record
Externí odkaz:
http://arxiv.org/abs/1706.08041
Autor:
Das, Proloy, Babadi, Behtash
Spectral analysis using overlapping sliding windows is among the most widely used techniques in analyzing non-stationary time series. Although sliding window analysis is convenient to implement, the resulting estimates are sensitive to the window len
Externí odkaz:
http://arxiv.org/abs/1706.01563
Autor:
Pathirage, Kasun, Virmani, Aman, Scott, Alison J., Traub, Richard J., Ernst, Robert K., Ghodssi, Reza, Babadi, Behtash, Abshire, Pamela Ann
Publikováno v:
PLoS ONE; 10/10/2024, Vol. 19 Issue 10, p1-24, 24p
In this paper, we consider linear state-space models with compressible innovations and convergent transition matrices in order to model spatiotemporally sparse transient events. We perform parameter and state estimation using a dynamic compressed sen
Externí odkaz:
http://arxiv.org/abs/1610.06461