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Optimistic and pessimistic cognitive judgement bias modulates the stress respon...
Espigares, Felipe; Alvarado, M. Victoria; Abad-Tortosa, Diana; Varela, Susana A. M.; Sobral, Daniel; Faísca, Pedro; Paixão, Tiago; Oliveira, RuiCognitive judgement bias in decision-making under ambiguity occurs both in animals and humans, with some individuals interpreting ambiguous stimulus as positive (optimism) and others as negative (pessimism). We hypothesize that judgement bias is a personality trait and that individuals with a pessimistic bias would be more reactive to stressors and therefore more susceptible to stress-related diseases than opti...
Pessimistic cognitive bias is associated with enhanced reproductive investment ...
Espigares, Felipe; Alvarado, Maria V.; Faísca, Pedro; Abad-Tortosa, Diana; Oliveira, Rui FilipeOptimistic and pessimistic cognitive biases have been described in many animals and are related to the perceived valence of the environment. We, therefore, hypothesize that such cognitive bias can be adaptive depending on environmental conditions. In reward-rich environments, an optimistic bias would be favoured, whereas in harsh environments, a pessimistic one would thrive. Here, we empirically investigated th...