4,393 results found
    1. Neuroscience

    Extracting grid cell characteristics from place cell inputs using non-negative principal component analysis

    Yedidyah Dordek et al.
    Computational modeling of the brain’s navigation system reveals that place cells can drive the formation of hexagonal patterns experimentally observed in grid cells activity.
    1. Neuroscience

    Hippocampal place cells construct reward related sequences through unexplored space

    H Freyja Ólafsdóttir et al.
    In anticipation of a reward, hippocampal place cells simulate desired journeys through areas that have been seen, but not explored.
    1. Neuroscience

    Social observation enhances cross-environment activation of hippocampal place cell patterns

    Xiang Mou, Daoyun Ji
    Place cells associated with track-running are activated in rats staying in a nearby box while another rat running on the track, suggesting that social observation facilitates spatial memory representations.
    1. Neuroscience

    Place cells on a maze encode routes rather than destinations

    Roddy M Grieves et al.
    Place cells in the rat hippocampus encode positions along well-learned routes as opposed to intended destinations.
    1. Neuroscience

    Episodic-like memory trace in awake replay of hippocampal place cell activity sequences

    Susumu Takahashi
    What will happen where and when could be predicted by the sequential reactivation of place cells that occurs while an animal pauses, suggesting that the replay is linked to mental time travel.
    1. Neuroscience

    Learning place cells, grid cells and invariances with excitatory and inhibitory plasticity

    Simon Nikolaus Weber, Henning Sprekeler
    A large variety of spatial representations implied in rodent navigation could arise robustly and rapidly from inputs with a weak spatial structure, by an interaction of excitatory and inhibitory synaptic plasticity.
    1. Developmental Biology

    The invariant cleavage pattern displayed by ascidian embryos depends on spindle positioning along the cell's longest axis in the apical plane and relies on asynchronous cell divisions

    Rémi Dumollard et al.
    Cell cycle asynchrony regulates apical cell shape to drive cell division orientation in the apical plane.
    1. Developmental Biology

    Hippo signaling determines the number of venous pole cells that originate from the anterior lateral plate mesoderm in zebrafish

    Hajime Fukui et al.
    The Hippo signaling restricts the number of SHF cardiomyocytes in the venous pole by negatively regulating Bmp-Smad signaling in the cells of lateral plate mesoderm.
    1. Cell Biology

    The equatorial position of the metaphase plate ensures symmetric cell divisions

    Chia Huei Tan et al.
    Human cells center the position of the metaphase plate before anaphase onset to ensure the formation of equal-sized daughter cells.
    1. Developmental Biology

    Dynamic transcriptional signature and cell fate analysis reveals plasticity of individual neural plate border cells

    Daniela Roellig et al.
    The vertebrate neural plate border is comprised of precursors that coexpress multiple lineage markers and small changes in their levels can bias border cell fate.

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