Modeling and dissociation of intrinsic and input-driven neural population dynamics underlying behavior
Neural dynamics can reflect intrinsic dynamics or dynamic inputs, such as sensory inputs or
inputs from other brain regions. To avoid misinterpreting temporally structured inputs as …
inputs from other brain regions. To avoid misinterpreting temporally structured inputs as …
[HTML][HTML] Expressive architectures enhance interpretability of dynamics-based neural population models
AR Sedler, C Versteeg… - Neurons, behavior, data …, 2023 - ncbi.nlm.nih.gov
Artificial neural networks that can recover latent dynamics from recorded neural activity may
provide a powerful avenue for identifying and interpreting the dynamical motifs underlying …
provide a powerful avenue for identifying and interpreting the dynamical motifs underlying …
Scalable Bayesian GPFA with automatic relevance determination and discrete noise models
Latent variable models are ubiquitous in the exploratory analysis of neural population
recordings, where they allow researchers to summarize the activity of large populations of …
recordings, where they allow researchers to summarize the activity of large populations of …
AMAG: Additive, Multiplicative and Adaptive Graph Neural Network For Forecasting Neuron Activity
Abstract Latent Variable Models (LVMs) propose to model the dynamics of neural
populations by capturing low-dimensional structures that represent features involved in …
populations by capturing low-dimensional structures that represent features involved in …
Learning interpretable control inputs and dynamics underlying animal locomotion
TS Mullen, M Schimel, G Hennequin… - The Twelfth …, 2024 - openreview.net
A central objective in neuroscience is to understand how the brain orchestrates movement.
Recent advances in automated tracking technologies have made it possible to document …
Recent advances in automated tracking technologies have made it possible to document …
Inferring context-dependent computations through linear approximations of prefrontal cortex dynamics
The complex activity of neural populations in the Prefrontal Cortex (PFC) is a hallmark of
high-order cognitive processes. How these rich cortical dynamics emerge and give rise to …
high-order cognitive processes. How these rich cortical dynamics emerge and give rise to …
[HTML][HTML] Expressive dynamics models with nonlinear injective readouts enable reliable recovery of latent features from neural activity
The advent of large-scale neural recordings has enabled new approaches that aim to
discover the computational mechanisms of neural circuits by understanding the rules that …
discover the computational mechanisms of neural circuits by understanding the rules that …
Structure-preserving recurrent neural networks for a class of Birkhoffian systems
S Xiao, M Chen, R Zhang, Y Tang - Journal of Systems Science and …, 2024 - Springer
In this paper, the authors propose a neural network architecture designed specifically for a
class of Birkhoffian systems—The Newtonian system. The proposed model utilizes recurrent …
class of Birkhoffian systems—The Newtonian system. The proposed model utilizes recurrent …
lfads-torch: A modular and extensible implementation of latent factor analysis via dynamical systems
AR Sedler, C Pandarinath - arXiv preprint arXiv:2309.01230, 2023 - arxiv.org
Latent factor analysis via dynamical systems (LFADS) is an RNN-based variational
sequential autoencoder that achieves state-of-the-art performance in denoising high …
sequential autoencoder that achieves state-of-the-art performance in denoising high …
When and why does motor preparation arise in recurrent neural network models of motor control?
During delayed ballistic reaches, motor areas consistently display movement-specific activity
patterns prior to movement onset. It is unclear why these patterns arise: while they have …
patterns prior to movement onset. It is unclear why these patterns arise: while they have …