1,653 results found
    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
    2. Medicine

    Intrinsic excitation-inhibition imbalance affects medial prefrontal cortex differently in autistic men versus women

    Stavros Trakoshis, Pablo Martínez-Cañada ... Michael V Lombardo
    Excitation-inhibition imbalance affects medial prefrontal cortex differently in autistic males versus females.
    1. Neuroscience

    An increase of inhibition drives the developmental decorrelation of neural activity

    Mattia Chini, Thomas Pfeffer, Ileana Hanganu-Opatz
    The age-dependent shift of prefrontal excitation-inhibition (E-I) ratio toward inhibition causes sparser and decorrelated activity, while its impairment might relate to neurodevelopmental disorders.
    1. Neuroscience

    Distinct hierarchical alterations of intrinsic neural timescales account for different manifestations of psychosis

    Kenneth Wengler, Andrew T Goldberg ... Guillermo Horga
    fMRI evidence for distinct hierarchical alterations in intrinsic neural timescales for different positive symptoms of schizophrenia support hierarchical perceptual-inference models of psychosis and suggest local increases in excitation-inhibition ratio.
    1. Neuroscience

    Precise excitation-inhibition balance controls gain and timing in the hippocampus

    Aanchal Bhatia, Sahil Moza, Upinder Singh Bhalla
    Delayed inhibition precisely balances excitation from arbitrary combinations of CA3 neurons and controls the gain of CA1 output by reducing inhibitory delay with increasing excitation.
    1. Neuroscience

    Differential inhibition onto developing and mature granule cells generates high-frequency filters with variable gain

    María Belén Pardi, Mora Belén Ogando ... Antonia Marin-Burgin
    Immature and mature granule cells in the hippocampal dentate gyrus show differing responses to physiologically relevant stimuli, with immature cells better at encoding stimulus frequency and mature cells better at encoding stimulus onset.
    1. Neuroscience

    Memory recall involves a transient break in excitatory-inhibitory balance

    Renée S Koolschijn, Anna Shpektor ... Helen C Barron
    Hippocampal activity during memory recall predicts a transient increase in the ratio between neocortical glutamate and GABA, thereby allowing otherwise dormant memories to be released.
    1. Neuroscience

    General features of the retinal connectome determine the computation of motion anticipation

    Jamie Johnston, Leon Lagnado
    Feedforward inhibition generates motion anticipation by selectively decreasing sensitivity to a stimulus as it moves across the latter part of a retinal ganglion cell's receptive field.
    1. Neuroscience
    2. Physics of Living Systems

    A geometric attractor mechanism for self-organization of entorhinal grid modules

    Louis Kang, Vijay Balasubramanian
    The hierarchy of entorhinal grid cell modules with constant scale ratios can self-organize through a new geometrically organized attractor mechanism.
    1. Developmental Biology
    2. Neuroscience

    The ketone body β-hydroxybutyrate ameliorates neurodevelopmental deficits in the GABAergic system of daf-18/PTEN Caenorhabditis elegans mutants

    Sebastián Giunti, María Gabriela Blanco ... Diego Rayes
    PTEN mutations disrupt inhibitory GABAergic signaling, causing neurodevelopmental defects that can be mitigated by β-hydroxybutyrate, which activates DAF-16/FOXO and may offer a therapeutic approach for excitation/inhibition imbalances.

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