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Showing 1–3 of 3 results
Advanced filters: Author: Agnieszka Tymula Clear advanced filters

  • Tolerance for risk decreases with age, but it is not known whether this shift can be accounted for by a neurobiological marker. Here, authors show that the age-related decrease in risk tolerance is better accounted for by grey matter decreases in right posterior parietal cortex than by age per se.

    • Michael A. Grubb
    • Agnieszka Tymula
    • Ifat Levy
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-5

  • It is unclear how the activity of individual neurons conform to prospect theory. Here, the authors demonstrate that the activity of single neurons in various reward-related regions in the monkey brain can be described as encoding a multiplicative combination of utility and probability weighting, and that this subjective valuation process is achieved via a distributed coding scheme.

    • Yuri Imaizumi
    • Agnieszka Tymula
    • Hiroshi Yamada
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-11

  • Neurons in prefrontal areas including the medial orbitofrontal cortex (mOFC) represent the relative reward value of choices. Here the authors report that mOFC neurons implement divisive normalization to encode the relative values of lottery options only when the decision involves free choice.

    • Hiroshi Yamada
    • Kenway Louie
    • Paul W. Glimcher
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-11