14,706 results found
    1. Neuroscience

    Balance between breadth and depth in human many-alternative decisions

    Alice Vidal, Salvador Soto-Faraco, Rubén Moreno-Bote
    A novel experimental paradigm investigating how humans manage limited search capacity over many alternatives reveals close-to-optimal behaviours and identifies heuristics used to minimize computation with little impact on performance.
    1. Neuroscience

    Bed nucleus of the stria terminalis regulates fear to unpredictable threat signals

    Travis D Goode, Reed L Ressler ... Stephen Maren
    The bed nucleus of the stria terminalis (BNST) is required for the expression of defensive behavior to uncertain threats, a function that is central to pathological anxiety.
    1. Neuroscience

    Visual pursuit behavior in mice maintains the pursued prey on the retinal region with least optic flow

    Carl D Holmgren, Paul Stahr ... Jason ND Kerr
    Digital reconstruction of environment combined with eye and head-tracking enabled the process of prey-detection and capture to be seen from the freely moving mouse’s point-of-view and shows the exact visual-field and retinal location mice use when chasing prey and the advantage.
    1. Neuroscience

    Computational mechanisms of curiosity and goal-directed exploration

    Philipp Schwartenbeck, Johannes Passecker ... Karl J Friston
    Distinct computational levels of uncertainty compel agents to gain information about hidden states in the world (‘active inference’) or optimise their ‘world model’ as such (‘active learning’).
    1. Cell Biology
    2. Genetics and Genomics

    Circadian oscillations in Trichoderma atroviride and the role of core clock components in secondary metabolism, development, and mycoparasitism against the phytopathogen Botrytis cinerea

    Marlene Henríquez-Urrutia, Rebecca Spanner ... Luis F Larrondo
    The biocontrol fungus Trichoderma atroviride possess a functional circadian clock, whose components impact the production of secondary metabolites and also play a role in the interaction with fungi such as the phytopathogen Botrytis cinerea.
    1. Neuroscience

    Rapid encoding of task regularities in the human hippocampus guides sensorimotor timing

    Ignacio Polti, Matthias Nau ... Christian F Doeller
    Hippocampal BOLD activity reflects behavioral performance and feedback in a fast-paced timing task, supporting the formation of task-specific yet flexible and generalizable sensorimotor representations in real time.
    1. Biochemistry and Chemical Biology
    2. Genetics and Genomics

    Genome-wide dynamics of Pol II elongation and its interplay with promoter proximal pausing, chromatin, and exons

    Iris Jonkers, Hojoong Kwak, John T Lis
    The elongation rate of RNA Polymerase II varies greatly between and along genes, as this enzyme accelerates from stable pausing to rapid elongation within genes, and is influenced by CG-content, exons and chromatin.
    1. Stem Cells and Regenerative Medicine

    Prospective identification of functionally distinct stem cells and neurosphere-initiating cells in adult mouse forebrain

    John K Mich, Robert AJ Signer ... Sean J Morrison
    Flow cytometric isolation and fate mapping shows that neurosphere-initiating cells are highly mitotically active and persist only transiently in vivo, and are distinct from quiescent, long-lived neural stem cells.
    1. Cell Biology

    Potassium dependent rescue of a myopathy with core-like structures in mouse

    M Gartz Hanson, Jonathan J Wilde ... Lee Niswander
    A mouse model of human muscle myopathy is used to provide mechanistic insight, identify possible biomarkers of disease, and suggest possible therapeutic strategies to alleviate muscle weakness.
    1. Neuroscience

    Neuronal origins of reduced accuracy and biases in economic choices under sequential offers

    Weikang Shi, Sebastien Ballesta, Camillo Padoa-Schioppa
    Neuronal activity in the primate orbitofrontal cortex reveals different choice biases observed when offers are presented sequentially originate at different stages of the decision process.

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