3,676 results found
    1. Neuroscience

    Calcium dynamics regulating the timing of decision-making in C. elegans

    Yuki Tanimoto et al.
    A series of quantitative behavioural and opto-physiological analyses using a novel robot microscope system reveals that C. elegans computes the time-differential and time-integral of sensory information for decision-making during olfactory navigation.
    Research Article
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    1. Neuroscience

    How prior preferences determine decision-making frames and biases in the human brain

    Alizée Lopez-Persem et al.
    Model-based analyses of choice behavior and fMRI activity revealed that prior preferences generate default policies, which frame the decision value signal encoded in the vmPFC, and shift vmPFC pre-choice activity so as to induce a decision bias toward default options.
    Research Article Updated
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    1. Neuroscience

    Sequential sensory and decision processing in posterior parietal cortex

    Guilhem Ibos, David J Freedman
    Comparison of feature encoding and top-down cognitive signals gives insight into the role of parietal cortex in mediating decision making.
    Research Article Updated
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    1. Neuroscience

    Mesencephalic representations of recent experience influence decision making

    John A Thompson et al.
    Activity in the pedunculopontine tegmental nucleus reflects the choices and outcomes of previous trials in a decision making task, and affects upcoming choices.
    Research Article Updated
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    1. Neuroscience

    Optimal multisensory decision-making in a reaction-time task

    Jan Drugowitsch et al.
    Through a combination of modeling and experiments it is shown that humans can near-optimally accumulate decision-related evidence across time and cues even when reaction time is under their control.
    Research Article Updated
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    1. Neuroscience

    Breaking down hierarchies of decision-making in primates

    Alexandre Hyafil, Rubén Moreno-Bote
    Computational modeling of behavioral and neural data from monkeys points towards a flat decision-making process in which the brain considers all possible final outcomes simultaneously.
    Short Report
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    1. Neuroscience

    Serial, parallel and hierarchical decision making in primates

    Ariel Zylberberg et al.
    A comparison between hierarchical and flat models of decision-making refutes flat models because they lack flexibility and are not supported by behavioral and neural data.
    Short Report
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    1. Computational and Systems Biology

    Tuning the speed-accuracy trade-off to maximize reward rate in multisensory decision-making

    Jan Drugowitsch et al.
    Building on previous work (Drugowitsch et al., 2014), it is shown that decision-makers adjust their speed-accuracy trade-off flexibly from one moment to the next, based on evidence available from multiple sensory modalities, in order to nearly maximize their reward rate.
    Research Advance Updated
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    1. Neuroscience

    Dynamic modulation of decision biases by brainstem arousal systems

    Jan Willem de Gee et al.
    Rapid increases in the brain’s level of alertness, or arousal, contribute to variability in decision making by reducing existing biases.
    Research Article Updated
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    1. Neuroscience

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

    Ariel Zylberberg et al.
    A single framework of bounded evidence accumulation resolves the seemingly paradoxical effects of noise on accuracy, reaction time and confidence.
    Research Article
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