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  • Using behavioural experiments and computational modelling, Navajas and colleagues provide a systematic characterization of individual differences in human confidence.

    • Joaquin Navajas
    • Chandni Hindocha
    • Bahador Bahrami
    Article
  • A mega-analysis of whole-genome data from seven populations demonstrates substantial hidden heritability for educational attainment and reproductive behaviour, highlighting the importance of sample-specific gene–environment interaction in complex traits.

    • Felix C. Tropf
    • S. Hong Lee
    • Melinda C. Mills
    Article
  • Brummitt et al. show how supply-chain disruptions can spread contagiously throughout an economy. Adaptations to frequent disruptions can lead to the emergence of a poverty trap. Implications for ‘big push’ economic development policies are discussed.

    • Charles D. Brummitt
    • Kenan Huremović
    • Fernando Vega-Redondo
    Article
  • The study by Gómez et al. of frontline fighters and non-combatants shows that a willingness to fight and die in intergroup conflict is associated with the sacrifice of material concerns for sacred values, and the perceived spiritual strength of in-groups and adversaries.

    • Ángel Gómez
    • Lucía López-Rodríguez
    • Scott Atran
    Article
  • Momennejad et al. formulate and provide evidence for the successor representation, a computational learning mechanism intermediate between the two dominant models (a fast but inflexible ‘model-free’ system and a flexible but slow ‘model-based’ one).

    • I. Momennejad
    • E. M. Russek
    • S. J. Gershman
    Article
  • Speer and Delgado demonstrate that recalling positive memories dampens stress responses and correlates with activation of reward-processing corticostriatal circuits. Positive reminiscence may promote resilience to stress.

    • Megan E. Speer
    • Mauricio R. Delgado
    Article
  • Chen et al. construct a model of the neural bases of semantic representation that unifies domain-specific (distinct systems represent different kinds of things) and domain-general (knowledge for all kinds is encoded in a single network) accounts.

    • Lang Chen
    • Matthew A. Lambon Ralph
    • Timothy T. Rogers
    Article
  • Every time we make a choice, we maintain an explicit representation of our confidence in that choice. Using eye-tracking and behavioural measures, the authors show that tracking decision uncertainty is helpful in guiding future behaviour.

    • Tomas Folke
    • Catrine Jacobsen
    • Benedetto De Martino
    Article