Search Results for author: Kyle R. Ulrich

Found 3 papers, 0 papers with code

Cross-Spectral Factor Analysis

no code implementations NeurIPS 2017 Neil Gallagher, Kyle R. Ulrich, Austin Talbot, Kafui Dzirasa, Lawrence Carin, David E. Carlson

To facilitate understanding of network-level synchronization between brain regions, we introduce a novel model of multisite low-frequency neural recordings, such as local field potentials (LFPs) and electroencephalograms (EEGs).

GP Kernels for Cross-Spectrum Analysis

no code implementations NeurIPS 2015 Kyle R. Ulrich, David E. Carlson, Kafui Dzirasa, Lawrence Carin

An illustrative and motivating example of a multi-task problem is multi-region electrophysiological time-series data, where experimentalists are interested in both power and phase coherence between channels.

Gaussian Processes Time Series +1

Analysis of Brain States from Multi-Region LFP Time-Series

no code implementations NeurIPS 2014 Kyle R. Ulrich, David E. Carlson, Wenzhao Lian, Jana S. Borg, Kafui Dzirasa, Lawrence Carin

The LFPs are modeled as a mixture of GPs, with state- and region-dependent mixture weights, and with the spectral content of the data encoded in GP spectral mixture covariance kernels.

Gaussian Processes Time Series +1

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