Unsupervised learning of stationary and switching dynamical system models from Poisson observations
CY Song, MM Shanechi - Journal of Neural Engineering, 2023 - iopscience.iop.org
Objective. Investigating neural population dynamics underlying behavior requires learning
accurate models of the recorded spiking activity, which can be modeled with a Poisson …
accurate models of the recorded spiking activity, which can be modeled with a Poisson …
Modeling multiscale causal interactions between spiking and field potential signals during behavior
C Wang, B Pesaran, MM Shanechi - Journal of neural …, 2022 - iopscience.iop.org
Objective. Brain recordings exhibit dynamics at multiple spatiotemporal scales, which are
measured with spike trains and larger-scale field potential signals. To study neural …
measured with spike trains and larger-scale field potential signals. To study neural …
Modeling and inference methods for switching regime-dependent dynamical systems with multiscale neural observations
Objective. Realizing neurotechnologies that enable long-term neural recordings across
multiple spatial-temporal scales during naturalistic behaviors requires new modeling and …
multiple spatial-temporal scales during naturalistic behaviors requires new modeling and …
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 …
that dynamically evolve in time and gienerate behavior. Current methods have identified …
[HTML][HTML] Multimodal subspace identification for modeling discrete-continuous spiking and field potential population activity
Objective. Learning dynamical latent state models for multimodal spiking and field potential
activity can reveal their collective low-dimensional dynamics and enable better decoding of …
activity can reveal their collective low-dimensional dynamics and enable better decoding of …
A point-process matched filter for event detection and decoding from population spike trains
Objective. Information encoding in neurons can be described through their response fields.
The spatial response field of a neuron is the region of space in which a sensory stimulus or a …
The spatial response field of a neuron is the region of space in which a sensory stimulus or a …
Brain–computer interfaces for neuropsychiatric disorders
LL Oganesian, MM Shanechi - Nature Reviews Bioengineering, 2024 - nature.com
Neuropsychiatric disorders such as major depression are a leading cause of disability
worldwide with standard treatments, including psychotherapy or medication, failing many …
worldwide with standard treatments, including psychotherapy or medication, failing many …
Dynamical flexible inference of nonlinear latent structures in neural population activity
Inferring complex spatiotemporal dynamics in neural population activity is critical for
investigating neural mechanisms and developing neurotechnology. These activity patterns …
investigating neural mechanisms and developing neurotechnology. These activity patterns …
[HTML][HTML] Event detection and classification from multimodal time series with application to neural data
The detection of events in time-series data is a common signal-processing problem. When
the data can be modeled as a known template signal with an unknown delay in Gaussian …
the data can be modeled as a known template signal with an unknown delay in Gaussian …
Efficient Estimation of Directed Connectivity in Nonlinear and Nonstationary Spiking Neuron Networks
W Chen, Y Wang, Y Yang - IEEE Transactions on Biomedical …, 2023 - ieeexplore.ieee.org
Objective: Studying directed connectivity within spiking neuron networks can help
understand neural mechanisms. Existing methods assume linear time-invariant neural …
understand neural mechanisms. Existing methods assume linear time-invariant neural …