388 results found
    1. Neuroscience

    Impaired adaptation of learning to contingency volatility in internalizing psychopathology

    Christopher Gagne, Ondrej Zika ... Sonia J Bishop
    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. Computational and Systems Biology

    A hierarchical model for external electrical control of an insect, accounting for inter-individual variation of muscle force properties

    Dai Owaki, Volker Dürr, Josef Schmitz
    A near-linear relationship between electrical stimulus duration and resultant joint torque in stick insects has been unveiled, enhancing control strategies in biohybrid robotics.
    1. Neuroscience

    A Bayesian model of context-sensitive value attribution

    Francesco Rigoli, Karl J Friston ... Raymond J Dolan
    The dependence of incentive value attribution on the anticipation of rewards within a given context is explained via a normative Bayesian account of how rewards map to incentive values.
    1. Neuroscience

    A dynamic neural resource model bridges sensory and working memory

    Ivan Tomić, Paul M Bays
    Psychophysical measurement and computational modeling show that sensory information cannot contribute directly to a cognitive judgment, but must first be integrated into resource-limited working memory.
    1. Neuroscience

    Likelihood approximation networks (LANs) for fast inference of simulation models in cognitive neuroscience

    Alexander Fengler, Lakshmi N Govindarajan ... Michael J Frank
    A novel method and software provides researchers with the capability to rapidly, flexibly, and robustly perform Bayesian parameter estimation of theoretically meaningful models in cognitive neuroscience that were heretofore intractable.
    1. Neuroscience

    Internally generated time in the rodent hippocampus is logarithmically compressed

    Rui Cao, John H Bladon ... Marc W Howard
    Receptive fields for time in the hippocampus, like receptive fields for retinal space and receptive fields for numerosity, obey the Weber-Fechner law.
    1. Computational and Systems Biology
    2. Microbiology and Infectious Disease

    Linking functional and molecular mechanisms of host resilience to malaria infection

    Tsukushi Kamiya, Nicole M Davis ... Nicole Mideo
    With a data-driven mathematical modelling approach, within-host ecological information alone can provide clues on the mechanistic basis of diverse malaria infection outcomes.
    1. Neuroscience

    Integrating prediction errors at two time scales permits rapid recalibration of speech sound categories

    Itsaso Olasagasti, Anne-Lise Giraud
    Keeping flexible adaptable representations of speech categories at different time scales allows the brain to maintain stable perception in the face of varying speech sound characteristics.
    1. Computational and Systems Biology
    2. Neuroscience

    Computational modeling of threat learning reveals links with anxiety and neuroanatomy in humans

    Rany Abend, Diana Burk ... Bruno B Averbeck
    Applying computational modeling to quantify threat learning processes uncovers how variations in these conserved learning processes relate to anxiety severity and the neuroanatomical substrates moderating these associations.
    1. Neuroscience

    Different brain systems support learning from received and avoided pain during human pain-avoidance learning

    Marieke Jepma, Mathieu Roy ... Albert Dahan
    Pharmacological fMRI study provides evidence that learning from the unexpected presence and absence of pain is mediated by different brain systems.

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