2,554 results found
    1. Computational and Systems Biology
    2. Immunology and Inflammation

    IFN-mediated negative feedback supports bacteria class-specific macrophage inflammatory responses

    Rachel A Gottschalk et al.
    Inflammatory dynamics are tailored to bacterial class through macrophage integration of microbial stimuli and cytokine feedback.
    1. Neuroscience
    2. Physics of Living Systems

    Variability in locomotor dynamics reveals the critical role of feedback in task control

    Ismail Uyanik et al.
    Animals rely on sensory feedback rather than the precise tuning in the nervous system to achieve robust behavioral performances.
    1. Cell Biology
    2. Computational and Systems Biology

    A positive-feedback-based mechanism for constriction rate acceleration during cytokinesis in Caenorhabditis elegans

    Renat N Khaliullin et al.
    Positive feedback between contractile ring myosin and compression-driven cortical flow can explain the exponential accumulation of contractile ring components and constriction rate acceleration that ensures timely cell separation during cytokinesis.
    1. Computational and Systems Biology

    Distributed task-specific processing of somatosensory feedback for voluntary motor control

    Mohsen Omrani et al.
    Somatosensory feedback is transmitted to many sensory and motor cortical regions within 25 milliseconds and ongoing behavioural tasks alter the spatiotemporal pattern of this perturbation-related activity, supporting rapid motor responses to attain behavioural goals.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Kinesin Kip2 enhances microtubule growth in vitro through length-dependent feedback on polymerization and catastrophe

    Anneke Hibbel et al.
    The budding yeast kinesin Kip2 is a polymerase that uses its processive motility in a positive feedback loop to promote microtubule growth.
    1. Neuroscience

    Quantitative properties of a feedback circuit predict frequency-dependent pattern separation

    Oliver Braganza et al.
    The feedback inhibitory microcircuit of the dentate gyrus likely boosts pattern separation during gamma oscillations.
    1. Cell Biology

    Evidence that a positive feedback loop drives centrosome maturation in fly embryos

    Ines Alvarez-Rodrigo et al.
    Polo kinase recruitment by the protein Spd-2 to the pericentriolar scaffold is a key element of the positive feedback loop which drives the expansion of the mitotic centrosomes in flies.
    1. Developmental Biology

    Nodal patterning without Lefty inhibitory feedback is functional but fragile

    Katherine W Rogers et al.
    Lefty-mediated feedback inhibition of Nodal signaling mitigates signaling perturbations, but is dispensable for development.
    1. Neuroscience

    Mesolimbic confidence signals guide perceptual learning in the absence of external feedback

    Matthias Guggenmos et al.
    Neural confidence signals can take the role of reward signals and explain perceptual learning without external feedback as a form of internal reinforcement learning.
    1. Neuroscience

    Feedback contribution to surface motion perception in the human early visual cortex

    Ingo Marquardt et al.
    Novel evidence for a role of feedback in the perception of uniform surfaces in the human brain suggests that feedback already re-enters at an early visual processing stage.

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