521 results found
    1. Neuroscience

    Non-rhythmic head-direction cells in the parahippocampal region are not constrained by attractor network dynamics

    Olga Kornienko et al.
    Head-direction cells in the parahippocampal region can be divided into two functionally distinct classes that are differentially constrained by attractor network dynamics.
    1. Computational and Systems Biology
    2. Neuroscience

    Noise promotes independent control of gamma oscillations and grid firing within recurrent attractor networks

    Lukas Solanka et al.
    Random fluctuations in neuronal firing may enable a single brain region, the medial entorhinal cortex, to perform distinct roles in cognition (by generating gamma waves) and spatial navigation (by producing a grid cell map).
    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

    A spiral attractor network drives rhythmic locomotion

    Angela M Bruno et al.
    The neural population of the Aplysia's pedal ganglion are a low-dimensional spiral attractor, and the parameters of the attractor directly define the properties of the Aplysia's escape locomotion behaviour.
    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. Computational and Systems Biology
    2. Neuroscience

    Continuous attractors for dynamic memories

    Davide Spalla et al.
    A neural network model with asymmetric synaptic interactions can store and retrieve multiple continuous memory sequences with their temporal structure.
    1. Neuroscience

    Velocity coupling of grid cell modules enables stable embedding of a low dimensional variable in a high dimensional neural attractor

    Noga Mosheiff, Yoram Burak
    The neural representation of position in the medial entorhinal cortex may be stabilized by synaptic connectivity across modules, which enforces coherent updates in their states.
    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

    Inferring circuit mechanisms from sparse neural recording and global perturbation in grid cells

    John Widloski et al.
    A novel experimental method and analysis is conceived, based on perturbation and sparse recording, to elucidate the circuit structure and mechanisms underlying the responses of grid cells.
    1. Neuroscience

    A theory of joint attractor dynamics in the hippocampus and the entorhinal cortex accounts for artificial remapping and grid cell field-to-field variability

    Haggai Agmon, Yoram Burak
    A theory of coordinated neural network dynamics in multiple brain areas offers an explanation for several recent experimental findings in the hippocampus and medial entorhinal cortex.

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