1,576 results found
    1. Neuroscience

    Invariant neural subspaces maintained by feedback modulation

    Laura B Naumann, Joram Keijser, Henning Sprekeler
    Feedback-driven gain modulation provides a mechanism to generate and maintain invariant sensory representations in the presence of contextual changes by dynamically adapting feedforward sensory processing.
    1. Computational and Systems Biology
    2. Neuroscience

    Motor Control: Sensory feedback can give rise to neural rotations

    Omid G Sani, Maryam M Shanechi
    Investigating how an artificial network of neurons controls a simulated arm suggests that rotational patterns of activity in the motor cortex may rely on sensory feedback from the moving limb.
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    1. Neuroscience
    2. Physics of Living Systems

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

    Ismail Uyanik, Shahin Sefati ... Noah J Cowan
    Animals rely on sensory feedback rather than the precise tuning in the nervous system to achieve robust behavioral performances.
    1. Computational and Systems Biology

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

    Mohsen Omrani, Chantelle D Murnaghan ... Stephen H Scott
    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. Neuroscience

    Sensory experience inversely regulates feedforward and feedback excitation-inhibition ratio in rodent visual cortex

    Nathaniel J Miska, Leonidas MA Richter ... Gina G Turrigiano
    Sensory deprivation suppresses cortical responsiveness through a selective remodeling of excitatory and inhibitory microcircuit motifs, by simultaneously amplifying feedforward and suppressing feedback excitation.
    1. Neuroscience

    Quantification of gait parameters in freely walking wild type and sensory deprived Drosophila melanogaster

    César S Mendes, Imre Bartos ... Richard S Mann
    Novel imaging experiments suggest that fruit flies modify their neural circuitry for walking at slow, medium and fast speeds, and that proprioception is not essential for coordinated walking.
    1. Neuroscience

    Body side-specific control of motor activity during turning in a walking animal

    Matthias Gruhn, Philipp Rosenbaum ... Ansgar Büschges
    Turning in an insect is the combined result of body-side-specific modifications in processing of local sensory feedback, and modification of local central pattern generator activity.
    1. Neuroscience

    Corticofugal regulation of predictive coding

    Alexandria MH Lesicko, Christopher F Angeloni ... Maria N Geffen
    A specific neuronal pathway within the auditory system represents information about the statistical prediction and error for incoming sounds, thereby contributing to efficient representation of complex sounds and sound streams in the brain.
    1. Neuroscience

    The roles of vision and antennal mechanoreception in hawkmoth flight control

    Ajinkya Dahake, Anna L Stöckl ... Almut Kelber
    Mechanosensors in the antennae of hawkmoths provide rapid sensory feedback for the control of fast flight manoeuvres, which acts in parallel to visual information.
    1. Neuroscience

    Perception of microstimulation frequency in human somatosensory cortex

    Christopher L Hughes, Sharlene N Flesher ... Robert A Gaunt
    Increasing microstimulation frequency in some regions of the human somatosensory cortex decreased the perceived intensity and evoked specific percepts, providing insight into cortical organization and sensory feedback approaches for brain–computer interfaces.

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