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

    Neural correlations enable invariant coding and perception of natural stimuli in weakly electric fish

    Michael G Metzen et al.
    Neural circuits in weakly electric fish perform a set of computations to allow natural communication signals to be perceived independently of their context.
    1. Neuroscience

    Peripheral sensory coding through oscillatory synchrony in weakly electric fish

    Christa A Baker et al.
    Sensory receptors encode stimuli by transiently synchronizing ongoing electrical oscillations, conferring enhanced sensitivity to communication signals produced by large groups of conspecifics.
    1. Neuroscience

    Electric Fish: Learning to generalize

    André Longtin
    Electric fish are able to take what they have learnt about sensory processing in certain situations and apply it in other situations.
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    1. Neuroscience

    Neural activity in a hippocampus-like region of the teleost pallium is associated with active sensing and navigation

    Haleh Fotowat et al.
    Sparse firing in a hippocampus-like structure of the teleost telencephalon is linked to spatial navigation and active sensing.
    1. Neuroscience

    Feedback optimizes neural coding and perception of natural stimuli

    Chengjie G Huang et al.
    Neurophysiological and behavioral approaches reveal how coordinated input from descending pathways shapes the tuning properties of electrosensory neurons in order to optimize coding of natural stimuli through temporal whitening.
    1. Neuroscience

    Stimulus background influences phase invariant coding by correlated neural activity

    Michael G Metzen, Maurice J Chacron
    Building on previous work (Metzen et al., 2016), a combination of neurophysiological and behavioral approaches reveals that changes in the background strongly impacts invariant coding and perception of behaviourally relevant signals.
    1. Neuroscience

    Detection of transient synchrony across oscillating receptors by the central electrosensory system of mormyrid fish

    Alejandro Vélez, Bruce A Carlson
    Building on previous work (Baker et al., 2015), further evidence is reported for a novel mechanism for sensory coding based on the detection of oscillatory synchrony among peripheral receptors.
    1. Neuroscience

    Generalization of learned responses in the mormyrid electrosensory lobe

    Conor Dempsey et al.
    In vivo recordings and computational modeling of the electrosensory lobe of mormyrid fish provide a circuit-level description of how learning generalizes to new situations.
    1. Neuroscience

    A time-stamp mechanism may provide temporal information necessary for egocentric to allocentric spatial transformations

    Avner Wallach et al.
    A novel neural mechanism for precise, unbiased estimation of time intervals in the thalamus of electric fish is likely used for computing distance between object encounters.

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