8,854 results found
    1. Neuroscience

    Amplitude modulations of cortical sensory responses in pulsatile evidence accumulation

    Sue Ann Koay, Stephan Thiberge ... David W Tank
    From as early as primary visual cortex and across posterior cortical areas, neural responses to visual pulses during an evidence-accumulation task exhibit a multitude of task-related amplitude modulations/gain changes.
    1. Neuroscience

    Multiple timescales of sensory-evidence accumulation across the dorsal cortex

    Lucas Pinto, David W Tank, Carlos D Brody
    Sensory-evidence accumulation is a distributed cortical computation, but frontal cortical areas contribute to accumulation on longer timescales than posterior cortical areas.
    1. Neuroscience

    Preserved sensory processing but hampered conflict detection when stimulus input is task-irrelevant

    Stijn Adriaan Nuiten, Andrés Canales-Johnson ... Simon van Gaal
    When all features of conflicting sensory input are task-irrelevant, the brain can still process its sensory information, whereas conflict detection requires that minimally one stimulus feature is task-relevant or associated with a response.
    1. Cell Biology
    2. Developmental Biology

    Discovery of novel determinants of endothelial lineage using chimeric heterokaryons

    Wing Tak Wong, Gianfranco Matrone ... John P Cooke
    Bioinformatic analysis of gene expression in chimeric heterokaryons can identify novel regulators of cell lineage.
    1. Neuroscience

    Thalamocortical contributions to cognitive task activity

    Kai Hwang, James M Shine ... Evan Sorenson
    Human thalamic activity transformed via thalamocortical functional connectivity to support task representations across functional domains.
    1. Neuroscience

    A task-general connectivity model reveals variation in convergence of cortical inputs to functional regions of the cerebellum

    Maedbh King, Ladan Shahshahani ... Jörn Diedrichsen
    Models of cortico-cerebellar connectivity are quantified using task-based fMRI, and demonstrate that convergent rather than sparse inputs best characterize cortico-cerebellar connectivity, namely, cerebellar areas linked to cognition receive the highest convergence of cortical inputs.
    1. Neuroscience

    Integrated externally and internally generated task predictions jointly guide cognitive control in prefrontal cortex

    Jiefeng Jiang, Anthony D Wagner, Tobias Egner
    The dorsolateral prefrontal cortex integrates concurrent externally and internally generated predictions of task demand to guide information processing, while the medial prefrontal cortex corrects its prediction error based on actual task demand.
    1. Neuroscience

    Visual cue-related activity of cells in the medial entorhinal cortex during navigation in virtual reality

    Amina A Kinkhabwala, Yi Gu ... David W Tank
    Cue cells in the medial entorhinal cortex encode visual cues during virtual navigation, supporting the hypothesis that the brain represents visual cue information to error-correct grid cell firing during path-integration.
    1. Neuroscience

    An observational treatment study of metacognition in anxious-depression

    Celine Ann Fox, Chi Tak Lee ... Claire M Gillan
    Improvement in levels of anxious-depression corresponds with increased confidence in performance among individuals receiving mental health treatment within a large longitudinal dataset.
    1. Computational and Systems Biology
    2. Neuroscience

    A computational account of why more valuable goals seem to require more effortful actions

    Emmanuelle Bioud, Corentin Tasu, Mathias Pessiglione
    Behavioural evidence and computational analyses suggest that people tend to decline the pursuit of more rewarded goals because they, wrongly, expect them to require more effortful actions.

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