2,039 results found
    1. Neuroscience

    Tracking prototype and exemplar representations in the brain across learning

    Caitlin R Bowman et al.
    Concepts can be represented at multiple levels of specificity (individual examples, abstract category averages) within a single task across different regions of the brain.
    1. Neuroscience

    Bottom-up and top-down influences at untrained conditions determine perceptual learning specificity and transfer

    Ying-Zi Xiong et al.
    Perceptual learning is specific because of the absence of bottom-up stimulation and top-down modulation at the untrained conditions.
    1. Neuroscience

    Theta-burst microstimulation in the human entorhinal area improves memory specificity

    Ali S Titiz et al.
    Precisely targeted, low current brain microstimulation is sufficient to enhance human memory.
    1. Neuroscience

    Induced sensorimotor cortex plasticity remediates chronic treatment-resistant visual neglect

    Jacinta O'Shea et al.
    Tonic disinhibition of left motor cortex during prism adaptation enhanced consolidation of sensorimotor and cognitive prism after effects, causing lasting clinical gains in three patient cases with chronic treatment-resistant visual neglect.
    1. Neuroscience

    Learning speed and detection sensitivity controlled by distinct cortico-fugal neurons in visual cortex

    Sarah Ruediger, Massimo Scanziani
    Neural pathways from mammalian visual cortex to ancestral brain structures control learning speed and performance of a simple detection task.
    1. Neuroscience

    Chronic postnatal chemogenetic activation of forebrain excitatory neurons evokes persistent changes in mood behavior

    Sthitapranjya Pati et al.
    Enhanced Gq-signaling-mediated activation of forebrain excitatory neurons in postnatal life programs enhanced anxiety-, despair- and schizophrenia-like behavior, recapitulating key aspects of the behavioral consequences of early life adversity.
    1. Neuroscience

    A circuit mechanism for decision-making biases and NMDA receptor hypofunction

    Sean Edward Cavanagh et al.
    Ketamine, an NMDA receptor antagonist and experimental model for schizophrenia, produces decision-making deficits in monkeys, which are predicted by a lowering of cortical excitation-inhibition balance in a spiking circuit model.
    1. Neuroscience

    Impaired adaptation of learning to contingency volatility in internalizing psychopathology

    Christopher Gagne et al.
    Hierarchical modeling of internalizing symptoms and task performance reveals that difficulty adapting probabilistic learning to second-order uncertainty is common to anxiety and depression and holds across rewarding and punishing outcomes.
    1. Cell Biology
    2. Developmental Biology

    TMEM95 is a sperm membrane protein essential for mammalian fertilization

    Ismael Lamas-Toranzo et al.
    TMEM95, a protein localized to the sperm acrosome cap, is essential for fertilization.
    1. Genetics and Genomics
    2. Neuroscience

    Sex-determining genes distinctly regulate courtship capability and target preference via sexually dimorphic neurons

    Kenichi Ishii et al.
    Sex-specific characteristics of the fruit fly courtship behavior are not specified by a single binary switch, but as a combination of traits that are modularly specified by separable genetic switches.

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