Multiscale modeling of dependencies between spikes and fields

H Abbaspourazad, HL Hsieh… - 2017 51st Asilomar …, 2017 - ieeexplore.ieee.org
Measuring and modeling the brain at multiple spatiotemporal scales are important for
studying brain function and developing high-performance brain-machine interfaces. To …

An unsupervised learning algorithm for multiscale neural activity

H Abbaspourazad, MM Shanechi - 2017 39th Annual …, 2017 - ieeexplore.ieee.org
Technological advances have enabled the simultaneous recording of multiscale neural
activity consisting of spikes, local field potential (LFP), and electrocorticogram (ECoG) …

Sparse model-based estimation of functional dependence in high-dimensional field and spike multiscale networks

R Bighamian, YT Wong, B Pesaran… - Journal of neural …, 2019 - iopscience.iop.org
Objective. Behavior is encoded across multiple scales of brain activity, from binary neuronal
spikes to continuous fields including local field potentials (LFP). Multiscale models need to …

An Information-Theoretic Measure of Multiscale Causality for Spike-Field Activity

C Wang, MM Shanechi - … Conference of the IEEE Engineering in …, 2018 - ieeexplore.ieee.org
Simultaneous recordings of spikes and fields could enable analyses of functional
connectivity in the brain at multiple spatiotemporal scales. However, these analyses require …

Estimation of functional dependence in high-dimensional spike-field activity

R Bighamian, MM Shanechi - 2018 40th Annual International …, 2018 - ieeexplore.ieee.org
Behavior is encoded across spatiotemoral scales of brain activity, from small-scale spikes to
large-scale local field potentials (LFP). Identifying the functional dependence between …

Estimating multiscale direct causality graphs in neural spike-field networks

C Wang, MM Shanechi - IEEE Transactions on Neural Systems …, 2019 - ieeexplore.ieee.org
Neural representations span various spatiotemporal scales of brain activity, from the spiking
activity of single neurons to field activity measuring large-scale networks. The simultaneous …

Latent state visualization of neural firing rates

AJ Brockmeier, EG Kriminger… - 2011 5th …, 2011 - ieeexplore.ieee.org
Visualizing the collective modulation of multiple neurons during a known behavioral task is
useful for exploratory analysis, but handling the large dimensionality of neural recordings is …

A multiscale dynamical modeling and identification framework for spike-field activity

H Abbaspourazad, HL Hsieh… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Dynamical encoding models characterize neural activity with low-dimensional hidden states
that dynamically evolve in time and gienerate behavior. Current methods have identified …

Multiscale modeling and decoding algorithms for spike-field activity

HL Hsieh, YT Wong, B Pesaran… - Journal of neural …, 2018 - iopscience.iop.org
Objective. Behavior is encoded across multiple spatiotemporal scales of brain activity.
Modern technology can simultaneously record various scales, from spiking of individual …

Multiscale brain-machine interface decoders

HL Hsieh, MM Shanechi - … of the IEEE Engineering in Medicine …, 2016 - ieeexplore.ieee.org
Brain-machine interfaces (BMI) have vastly used a single scale of neural activity, eg, spikes
or electrocorticography (ECoG), as their control signal. New technology allows for …