8,198 results found
    1. Neuroscience

    Distinct mechanisms mediate speed-accuracy adjustments in cortico-subthalamic networks

    Damian M Herz, Huiling Tan ... Peter Brown
    Dynamic changes in activity and connectivity of the human subthalamic nucleus reflect whether a decision will be made in haste or with caution.
    1. Computational and Systems Biology
    2. Neuroscience

    Normative decision rules in changing environments

    Nicholas W Barendregt, Joshua I Gold ... Zachary P Kilpatrick
    In environments that fluctuate over the course of deliberation, optimal decision strategies display novel dynamics that can explain human response behaviors better than commonly used alternatives.
    1. Neuroscience

    A neural mechanism of speed-accuracy tradeoff in macaque area LIP

    Timothy Hanks, Roozbeh Kiani, Michael N Shadlen
    To establish a trade-off between the speed and accuracy of a decision, neurons in lateral intraparietal cortex combine evidence bearing on the decision with a signal that incorporates the cost of time into the decision-making process.
    1. Computational and Systems Biology
    2. Genetics and Genomics

    Evaluation of in silico predictors on short nucleotide variants in HBA1, HBA2, and HBB associated with haemoglobinopathies

    Stella Tamana, Maria Xenophontos ... Petros Kountouris
    The calibration of decision thresholds will provide evidence for the optimal use of in silico predictors for the standardised classification of globin gene variants under the American College of Medical Genetics and Genomics/Association for Molecular Pathology framework.
    1. Computational and Systems Biology
    2. Immunology and Inflammation

    Improved T cell receptor antigen pairing through data-driven filtering of sequencing information from single cells

    Helle Rus Povlsen, Amalie Kai Bentzen ... Morten Nielsen
    A bioinformatics approach shows how to reduce noise in single-cell TCR-pMHC specificity data while retaining sensitivity toward cross-binding events to facilitate investigation of the rules governing TCR-pMHC binding.
    1. Neuroscience

    The influence of evidence volatility on choice, reaction time and confidence in a perceptual decision

    Ariel Zylberberg, Christopher R Fetsch, Michael N Shadlen
    A single framework of bounded evidence accumulation resolves the seemingly paradoxical effects of noise on accuracy, reaction time and confidence.
    1. Neuroscience

    Removal of inhibition uncovers latent movement potential during preparation

    Uday K Jagadisan, Neeraj J Gandhi
    Non-invasive disinhibition of the oculomotor system shows that ongoing preparatory activity in the superior colliculus has movement-generating potential and need not rise to threshold in order to produce a saccade.
    1. Neuroscience

    Representational untangling by the firing rate nonlinearity in V1 simple cells

    Merse E Gáspár, Pierre-Olivier Polack ... Gergő Orbán
    Firing rate nonlinearity recovers linear decodability of orientation information from simple cells of the primary visual cortex under uncertainty of nuisance parameters phase and spatial frequency.
    1. Cell Biology

    Reliable cell cycle commitment in budding yeast is ensured by signal integration

    Xili Liu, Xin Wang ... Chao Tang
    The decision to commit to cell division-the Start transition-in budding yeast is governed by time integration of G1 cyclin-CDK activity by the transcription factor Whi5.
    1. Neuroscience

    Efficient value synthesis in the orbitofrontal cortex explains how loss aversion adapts to the ranges of gain and loss prospects

    Jules Brochard, Jean Daunizeau
    Computational modeling shows how neural mechanisms for mitigating biological constraints (such as neurons’ limited firing range) may eventually result in complex though predictable irrational behavior.

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