1,720 results found
    1. Ecology
    2. Evolutionary Biology

    Spatiotemporal ecological chaos enables gradual evolutionary diversification without niches or tradeoffs

    Aditya Mahadevan, Michael T Pearce, Daniel S Fisher
    Evolution of multiple closely related strains with host-pathogen-like interactions but only one niche and no tradeoffs, can give rise to a spatiotemporally chaotic ecological state that continually diversifies even with generalist mutations that slow the evolution.
    1. Developmental Biology

    Glycolytic flux-signaling controls mouse embryo mesoderm development

    Hidenobu Miyazawa, Marteinn T Snaebjornsson ... Alexander Aulehla
    The functional link between glycolytic flux, cell signalling and mesoderm patterning is investigated in mouse embryo.
    1. Computational and Systems Biology
    2. Neuroscience

    Putting the theory into ‘burstlet theory’ with a biophysical model of burstlets and bursts in the respiratory preBötzinger complex

    Ryan S Phillips, Jonathan E Rubin
    A calcium-based mechanism of neural recruitment offers a biophysical framework that unifies recent findings on respiratory rhythm generation and pattern formation by the circuitry within the brainstem.
    1. Neuroscience

    Can sleep protect memories from catastrophic forgetting?

    Oscar C González, Yury Sokolov ... Maxim Bazhenov
    Computational modeling predicts that sleep replay plays a protective role against catastrophic forgetting by revealing synaptic mechanisms allowing overlapping populations of neurons to store multiple interfering memories.
    1. Neuroscience

    Direct extraction of signal and noise correlations from two-photon calcium imaging of ensemble neuronal activity

    Anuththara Rupasinghe, Nikolas Francis ... Behtash Babadi
    An inference paradigm for extracting neuronal correlations from two-photon imaging data, without requiring intermediate spike deconvolution, provides significant performance gains over existing methods as demonstrated by theoretical analysis, simulation studies, and real-data applications.
    1. Neuroscience

    Role of the postinspiratory complex in regulating swallow–breathing coordination and other laryngeal behaviors

    Alyssa Huff, Marlusa Karlen-Amarante ... Jan-Marino Ramirez
    The postinspiratory complex acts as an interface between the swallow pattern generator and the preBötzinger complex to coordinate swallow and breathing.
    1. Neuroscience

    A model of hippocampal replay driven by experience and environmental structure facilitates spatial learning

    Nicolas Diekmann, Sen Cheng
    A model of hippocampal replay is proposed that gives a biologically plausible account of how the hippocampus could prioritize replay and produce a variety of different replay statistics, and is efficient in driving spatial learning.
    1. Neuroscience

    Feedback inhibition underlies new computational functions of cerebellar interneurons

    Hunter E Halverson, Jinsook Kim ... George J Augustine
    An inhibitory feedback circuit from Purkinje cells to molecular layer interneurons within the cerebellum has been characterized and found to be employed in vivo during motor learning.
    1. Computational and Systems Biology
    2. Stem Cells and Regenerative Medicine

    Dynamics of embryonic stem cell differentiation inferred from single-cell transcriptomics show a series of transitions through discrete cell states

    Sumin Jang, Sandeep Choubey ... Sharad Ramanathan
    Mammalian germ layer differentiation is characterized by transitions through discrete cell states, which are transcriptionally as well as functionally distinct.
    1. Neuroscience

    Quantifying decision-making in dynamic, continuously evolving environments

    Maria Ruesseler, Lilian Aline Weber ... Laurence Tudor Hunt
    Human behaviour in a continuous decision making task adapts to the overall statistics of the sensory environment, and these adaptations are also reflected in changes in neural responses to incoming sensory evidence.

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