629 results found
    1. Neuroscience

    Recurrent circuitry is required to stabilize piriform cortex odor representations across brain states

    Kevin A Bolding, Shivathmihai Nagappan ... Kevin M Franks
    Intracortical circuits in mouse olfactory cortex stabilize odor-evoked activity patterns when upstream inputs, from olfactory bulb, become degraded under anesthesia.
    1. Neuroscience

    Persistent activity in a recurrent circuit underlies courtship memory in Drosophila

    Xiaoliang Zhao, Daniela Lenek ... Krystyna Keleman
    Persistent activity of dopaminergic neurons in a mushroom recurrent circuit lays the foundation for courtship memory in Drosophila.
    1. Neuroscience

    Recurrent circuit dynamics underlie persistent activity in the macaque frontoparietal network

    Eric Hart, Alexander C Huk
    Simultaneous recordings of neural ensembles in both the frontal and parietal cortices reveal how persistent activity can be maintained in the primate brain during visuospatial working memory.
    1. Neuroscience

    Reward signal in a recurrent circuit drives appetitive long-term memory formation

    Toshiharu Ichinose, Yoshinori Aso ... Hiromu Tanimoto
    A recurrent reward circuit in Drosophila, comprised of specific dopamine neurons and a single class of mushroom body output neurons, transforms a nascent memory trace into a stable long-term memory.
    1. Neuroscience

    A reservoir of timescales emerges in recurrent circuits with heterogeneous neural assemblies

    Merav Stern, Nicolae Istrate, Luca Mazzucato
    The large range of timescales empirically observed in neural circuits can be naturally explained when neural assemblies of heterogeneous size are recurrently coupled, empowering the neural circuits to efficiently process complex time-varying input signals.
    1. Neuroscience

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

    John Widloski, Michael P Marder, Ila R Fiete
    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 transformation from temporal to ensemble coding in a model of piriform cortex

    Merav Stern, Kevin A Bolding ... Kevin M Franks
    A spiking network model that examines the transformation of odor information from olfactory bulb to piriform cortex demonstrates how intrinsic cortical circuitry preserves representations of odor identity across odorant concentrations.
    1. Computational and Systems Biology
    2. Neuroscience

    The head direction circuit of two insect species

    Ioannis Pisokas, Stanley Heinze, Barbara Webb
    Two evolutionary distant insect species share a common head direction circuit with subtle differences in neuronal morphologies that result in distinct circuit dynamics adapted to each species’ ecology.
    1. Neuroscience

    The neural basis for a persistent internal state in Drosophila females

    David Deutsch, Diego Pacheco ... Mala Murthy
    A set of sexually dimorphic neurons in female flies is part of a recurrent neural network and drives minutes-long persistent neural activity and persistent social behaviors.
    1. Neuroscience

    Signal denoising through topographic modularity of neural circuits

    Barna Zajzon, David Dahmen ... Renato Duarte
    Topographic maps can gradually increase the fidelity of sensory representations and improve signal-to-noise ratio across multiple cortical circuits, a generic architectural feature that depends solely on the modularity of topographic projections and recurrent inhibition.

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