274 results found
    1. Neuroscience

    Phase-tuned neuronal firing encodes human contextual representations for navigational goals

    Andrew J Watrous et al.
    Prospective navigational goals are represented by single neuron firing rates and firing relative to slow oscillatory phase (phase coding) in the human medial temporal lobe.
    1. Neuroscience

    Elementary sensory-motor transformations underlying olfactory navigation in walking fruit-flies

    Efrén Álvarez-Salvado et al.
    A high-throughput behavioral paradigm and computational modeling are used to decompose olfactory navigation in walking Drosophila melanogaster into a set of quantitative relationships between sensory input and motor output.
    1. Neuroscience

    Decision and navigation in mouse parietal cortex

    Michael Krumin et al.
    When mice use vision to choose their trajectories, a large fraction of parietal cortex activity can be precisely predicted from navigational attributes such as spatial position and heading.
    1. Ecology
    2. Computational and Systems Biology

    A locally-blazed ant trail achieves efficient collective navigation despite limited information

    Ehud Fonio et al.
    Ants employ a new kind of trail to resolve group-level navigational difficulties in scenarios where the information available to individuals does not suffice.
    1. Computational and Systems Biology
    2. Neuroscience

    Exploratory search during directed navigation in C. elegans and Drosophila larva

    Mason Klein et al.
    Crawling Drosophila larvae and C. elegans exhibit diffusive behavior alongside directed motion, and the dynamics of this navigation can be analyzed with techniques developed in understanding protein folding, using a Markov state model.
    1. Neuroscience

    Sequential neuromodulation of Hebbian plasticity offers mechanism for effective reward-based navigation

    Zuzanna Brzosko et al.
    Sequential neuromodulation by acetylcholine and dopamine enables correlational synaptic learning which, when incorporated into a computational model, yields effective navigation toward changing reward locations as in natural foraging behavior.
    1. Neuroscience

    Framing of grid cells within and beyond navigation boundaries

    Francesco Savelli et al.
    Grid-cell maps can be aligned to both local and remote reference frames, suggesting that they provide a metric for space beyond the navigationally accessible boundaries of the local environment.
    1. Physics of Living Systems
    2. Human Biology and Medicine

    Rheotaxis facilitates upstream navigation of mammalian sperm cells

    Vasily Kantsler et al.
    Mammalian sperm subject to shear flow swim in upstream spirals along the walls bounding such flows, thereby demonstrating a robust mechanism for upstream navigation to the ovum.
    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

    Reverse-correlation analysis of navigation dynamics in Drosophila larva using optogenetics

    Luis Hernandez-Nunez et al.
    Optogenetic stimulation of odor- and taste-sensing neurons of the fruit fly larva combined with reverse-correlation analysis has been used to build mathematical models that predict navigational behavior.

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