260 results found
    1. Computational and Systems Biology
    2. Neuroscience

    Continuous attractors for dynamic memories

    Davide Spalla, Isabel Maria Cornacchia, Alessandro Treves
    A neural network model with asymmetric synaptic interactions can store and retrieve multiple continuous memory sequences with their temporal structure.
    1. Computational and Systems Biology
    2. Neuroscience

    Modeled grid cells aligned by a flexible attractor

    Sabrina Benas, Ximena Fernandez, Emilio Kropff
    Continuous attractor networks can constrain population activity to manifolds with topology radically different from that of the network architecture.
    1. Neuroscience
    2. Physics of Living Systems

    Replay as wavefronts and theta sequences as bump oscillations in a grid cell attractor network

    Louis Kang, Michael R DeWeese
    An experimentally supported model of grid cells naturally enables them to participate in firing sequences that encode rapid trajectories in space.
    1. Neuroscience

    Learning accurate path integration in ring attractor models of the head direction system

    Pantelis Vafidis, David Owald ... Richard Kempter
    A theoretical model combines self-supervised predictive learning with structural inductive biases to reveal how quasi-continuous attractors that perform accurate angular path integration can be learned from experience during development in the Drosophila and potentially other animal models.
    1. Neuroscience

    Neural mechanisms underlying the temporal organization of naturalistic animal behavior

    Luca Mazzucato
    Naturalistic animal behavior exhibits a complex organization in the temporal domain, whose variability stems from hierarchical, contextual, and stochastic sources and can be naturally explained in terms of metastable attractor models.
    1. Neuroscience
    2. Physics of Living Systems

    A geometric attractor mechanism for self-organization of entorhinal grid modules

    Louis Kang, Vijay Balasubramanian
    The hierarchy of entorhinal grid cell modules with constant scale ratios can self-organize through a new geometrically organized attractor mechanism.
    1. Neuroscience

    Resonating neurons stabilize heterogeneous grid-cell networks

    Divyansh Mittal, Rishikesh Narayanan
    Intrinsic neuronal resonance stabilizes heterogeneous neural networks by suppressing low-frequency perturbations.
    1. Neuroscience

    Geometry and dynamics of representations in a precisely balanced memory network related to olfactory cortex

    Claire Meissner-Bernard, Friedemann Zenke, Rainer W Friedrich
    Computational modeling revealed that balanced assemblies of excitatory and inhibitory neurons shape representational manifolds in olfactory cortex-like recurrent networks, resulting in joint maps of sensory and semantic information.
    1. Neuroscience

    Firing rate adaptation affords place cell theta sweeps, phase precession, and procession

    Tianhao Chu, Zilong Ji ... Si Wu
    Adaptation within a continuous attractor neural network explains theta phase precession and procession, providing insight into the neural mechanism of theta phase coding in the hippocampus.
    1. Neuroscience

    Sensory-memory interactions via modular structure explain errors in visual working memory

    Jun Yang, Hanqi Zhang, Sukbin Lim
    Two-module networks, combining sensory efficient coding and attractor dynamics for memory maintenance, effectively explain working memory error patterns, highlighting the role of sensory-memory interactions in continuously shaping memory representations.

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