Neural mechanisms of visual motion extrapolation

W Turner, C Sexton, H Hogendoorn - Neuroscience & Biobehavioral …, 2023 - Elsevier
Because neural processing takes time, the brain only has delayed access to sensory
information. When localising moving objects this is problematic, as an object will have …

Traveling waves encode the recent past and enhance sequence learning

TA Keller, L Muller, T Sejnowski, M Welling - arXiv preprint arXiv …, 2023 - arxiv.org
Traveling waves of neural activity have been observed throughout the brain at a diversity of
regions and scales; however, their precise computational role is still debated. One physically …

Brain-wide topographic coordination of traveling spiral waves

Z Ye, MS Bull, A Li, D Birman, TL Daigle, B Tasic… - bioRxiv, 2023 - biorxiv.org
Traveling waves of activity are a prevalent phenomenon within neural networks of diverse
brain regions and species–, and have been implicated in myriad brain functions including …

Hidden Traveling Waves bind Working Memory Variables in Recurrent Neural Networks

A Karuvally, TJ Sejnowski, HT Siegelmann - arXiv preprint arXiv …, 2024 - arxiv.org
Traveling waves are a fundamental phenomenon in the brain, playing a crucial role in short-
term information storage. In this study, we leverage the concept of traveling wave dynamics …

Neural assemblies coordinated by cortical waves are associated with waking and hallucinatory brain states

A Aggarwal, J Luo, H Chung, D Contreras, MB Kelz… - Cell Reports, 2024 - cell.com
The relationship between sensory stimuli and perceptions is brain-state dependent: in
wakefulness, suprathreshold stimuli evoke perceptions; under anesthesia, perceptions are …

Planar, Spiral, and Concentric Traveling Waves Distinguish Cognitive States in Human Memory

A Das, E Zabeh, B Ermentrout, J Jacobs - bioRxiv, 2024 - biorxiv.org
A fundamental challenge in neuroscience is explaining how widespread brain regions
flexibly interact to support behaviors. We hypothesize that a mechanism of neural …

Transformers and Cortical Waves: Encoders for Pulling In Context Across Time

L Muller, PS Churchland, TJ Sejnowski - arXiv preprint arXiv:2401.14267, 2024 - arxiv.org
The capabilities of transformer networks such as ChatGPT and other Large Language
Models (LLMs) have captured the world's attention. The crucial computational mechanism …

An exact mathematical description of computation with transient spatiotemporal dynamics in a complex-valued neural network

RC Budzinski, AN Busch, S Mestern, E Martin… - arXiv preprint arXiv …, 2023 - arxiv.org
We study a complex-valued neural network (cv-NN) with linear, time-delayed interactions.
We report the cv-NN displays sophisticated spatiotemporal dynamics, including partially …

[HTML][HTML] Horizontal cortical connections shape intrinsic traveling waves into feature-selective motifs that regulate perceptual sensitivity

ZW Davis, A Busch, C Stewerd, L Muller… - Research …, 2024 - ncbi.nlm.nih.gov
Intrinsic, ongoing fluctuations of cortical activity form traveling waves that modulate the gain
of sensory-evoked responses and perceptual sensitivity. Several lines of evidence suggest …

A Translaminar Spacetime Code Supports Touch-Evoked Traveling Waves

DL Gonzales, HF Khan, HVS Keri, S Yadav, C Steward… - bioRxiv, 2024 - biorxiv.org
Linking sensory-evoked traveling waves to underlying circuit patterns is critical to
understanding the neural basis of sensory perception. To form this link, we performed …