2,612 results found
    1. Neuroscience

    Slowly evolving dopaminergic activity modulates the moment-to-moment probability of reward-related self-timed movements

    Allison E Hamilos, Giulia Spedicato ... John A Assad
    Dynamic dopaminergic signaling modulates the timing of reward-related movements by tuning the moment-to-moment probability of their onset.
    1. Physics of Living Systems

    Cells use molecular working memory to navigate in changing chemoattractant fields

    Akhilesh Nandan, Abhishek Das ... Aneta Koseska
    Combined experimental and theoretical analysis identifies a molecular mechanism akin to working memory that enables single cells to perform complex navigation tasks in changing growth factor fields, beyond simple stimulus-response associations.
    1. Neuroscience

    Vocal development in a Waddington landscape

    Yayoi Teramoto, Daniel Y Takahashi ... Asif A Ghazanfar
    An integrated landscape framework shows how the coordinated changes in vocal apparatus, muscles, nervous system, and social interaction together influence the trajectory of vocal development.
    1. Neuroscience

    Nucleus accumbens dopamine tracks aversive stimulus duration and prediction but not value or prediction error

    Jessica N Goedhoop, Bastijn JG van den Boom ... Ingo Willuhn
    The extracellular concentration of dopamine in the nucleus accumbens core is progressively diminished by white noise, an underutilized, easy-to-titrate aversive stimulus, but is unaffected by white-noise intensity, context valence, and associated probabilistic contingencies.
    1. Neuroscience

    Nonlinear circuits for naturalistic visual motion estimation

    James E Fitzgerald, Damon A Clark
    New computational models provide insights into how the insect brain estimates the speed and direction of movement.
    1. Computational and Systems Biology
    2. Physics of Living Systems

    The Ca2+ transient as a feedback sensor controlling cardiomyocyte ionic conductances in mouse populations

    Colin M Rees, Jun-Hai Yang ... Alain Karma
    Feedback sensing of the intracellular calcium concentration suffices to reproduce the diversity of ionic conductances underlying normal cardiac electromechanical function in a genetically diverse population of mice.
    1. Cell Biology

    Lissencephaly-1 is a context-dependent regulator of the human dynein complex

    Janina Baumbach, Andal Murthy ... Simon L Bullock
    An in vitro reconstitution approach reveals context-dependent roles of Lissencephaly-1 in the regulation of dynein-dynactin behaviour on dynamic microtubules.
    1. Chromosomes and Gene Expression
    2. Evolutionary Biology

    High rates of evolution preceded shifts to sex-biased gene expression in Leucadendron, the most sexually dimorphic angiosperms

    Mathias Scharmann, Anthony G Rebelo, John R Pannell
    In the dioecious plant genus Leucadendron, shifts to sex-biased gene expression occurred predominantly in genes with ancestrally high rates of expression evolution, and were not correlated with morphology.
    1. Cell Biology
    2. Genetics and Genomics

    T-REX17 is a transiently expressed non-coding RNA essential for human endoderm formation

    Alexandro Landshammer, Adriano Bolondi ... Alexander Meissner
    Discovery of a novel long non-coding RNA overlapping the distal SOX17 enhancer (eSOX17) that plays an essential role in human endoderm development.
    1. Immunology and Inflammation
    2. Neuroscience

    Development and characterization of a chronic implant mouse model for vagus nerve stimulation

    Ibrahim T Mughrabi, Jordan Hickman ... Stavros Zanos
    Long-term, dose-controlled vagus nerve stimulation (VNS) is feasible in mice using a multi-lab validated implantation procedure, allowing therapeutic testing of VNS in many disease models.

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