Dynamical flexible inference of nonlinear latent factors and structures in neural population activity

H Abbaspourazad, E Erturk, B Pesaran… - Nature Biomedical …, 2024 - nature.com
Modelling the spatiotemporal dynamics in the activity of neural populations while also
enabling their flexible inference is hindered by the complexity and noisiness of neural …

Linear dynamical neural population models through nonlinear embeddings

Y Gao, EW Archer, L Paninski… - Advances in neural …, 2016 - proceedings.neurips.cc
A body of recent work in modeling neural activity focuses on recovering low-dimensional
latent features that capture the statistical structure of large-scale neural populations. Most …

Targeted neural dynamical modeling

C Hurwitz, A Srivastava, K Xu, J Jude… - Advances in …, 2021 - proceedings.neurips.cc
Latent dynamics models have emerged as powerful tools for modeling and interpreting
neural population activity. Recently, there has been a focus on incorporating simultaneously …

Where is all the nonlinearity: flexible nonlinear modeling of behaviorally relevant neural dynamics using recurrent neural networks

OG Sani, B Pesaran, MM Shanechi - bioRxiv, 2021 - biorxiv.org
Understanding the dynamical transformation of neural activity to behavior requires modeling
this transformation while both dissecting its potential nonlinearities and dissociating and …

Modeling and dissociation of intrinsic and input-driven neural population dynamics underlying behavior

P Vahidi, OG Sani… - Proceedings of the …, 2024 - National Acad Sciences
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 …

[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 …

Inferring latent dynamics underlying neural population activity via neural differential equations

TD Kim, TZ Luo, JW Pillow… - … Conference on Machine …, 2021 - proceedings.mlr.press
An important problem in systems neuroscience is to identify the latent dynamics underlying
neural population activity. Here we address this problem by introducing a low-dimensional …

Generative models of brain dynamics

M Ramezanian-Panahi, G Abrevaya… - Frontiers in artificial …, 2022 - frontiersin.org
This review article gives a high-level overview of the approaches across different scales of
organization and levels of abstraction. The studies covered in this paper include …

Universality and individuality in neural dynamics across large populations of recurrent networks

N Maheswaranathan, A Williams… - Advances in neural …, 2019 - proceedings.neurips.cc
Many recent studies have employed task-based modeling with recurrent neural networks
(RNNs) to infer the computational function of different brain regions. These models are often …

Extracting computational mechanisms from neural data using low-rank RNNs

A Valente, JW Pillow, S Ostojic - Advances in Neural …, 2022 - proceedings.neurips.cc
An influential framework within systems neuroscience posits that neural computations can
be understood in terms of low-dimensional dynamics in recurrent circuits. A number of …