Now showing items 64-69 of 69

    • Serial, parallel and hierarchical decision making in primates 

      Zylberberg, Ariel; Lorteije, Jeannette AM; Ouellette, Brian G; Zeeuw, Chris I De; Sigman, Mariano; Roelfsema, Pieter (2017-06-26)
      he study of decision-making has mainly focused on isolated decisions where choices are associated with motor actions. However, problem-solving often involves considering a hierarchy of sub-decisions. In a recent study ...
    • Social validation influences individuals’ judgments about ownership 

      Casiraghi, Leandro; Faigenbaum, Gustavo; Chehtman, Alejandro; Sigman, Mariano (2018-06-30)
      In all domains, from informal to formal, there are conflicts about property and ownership which resolution demands consideration of alleged claims from more than one party. In this work we asked adults (N = 359) to judge ...
    • An entropic barriers diffusion theory of decision-making in multiple alternative tasks 

      Fernandez Slezak, Diego; Sigman, Mariano; Cecchi, Guillermo A. (2018-03-02)
      We present a theory of decision-making in the presence of multiple choices that departs from traditional approaches by explicitly incorporating entropic barriers in a stochastic search process. We analyze response time ...
    • Dazzled by the mystery of mentalism : the cognitive neuroscience of mental athletes 

      Rieznik, Andrés; Lebedev, Mikhail; Sigman, Mariano (2017-05-31)
      Neural processing bymental athletes (MAs) has received attention fromNeuroscience community, with several publications examining superior memorizers (Maguire et al., 2003; Bor et al., 2008), lighting calculators (Pesenti ...
    • Empathy for others’ suffering and its mediators in mental health professionals 

      Santamaría-García, Hernando; Baez, Sandra; García, Adolfo M.; Flichtentrei, Daniel; Prats, María; Mastandueno, Ricardo; Sigman, Mariano; Matallana, Diana; Cetkovich, Marcelo; Ibáñez, Agustín (2017-07-25)
      Empathy is a complex cognitive and affective process that allows humans to experience concern for others, comprehend their emotions, and eventually help them. In addition to studies with healthy subjects and various ...
    • A lesion model of envy and "Schadenfreude" : legal, deservingness and moral dimensions as revealed by neurodegeneration 

      Santamaría-García, Hernando; Baez, Sandra; Reyes, Pablo; Santamaría-García, José A.; Santacruz-Escudero, José M.; Matallana, Diana; Arévalo, Analía; Sigman, Mariano; García, Adolfo M.; Ibáñez, Agustín (2017-08-21)
      The study of moral emotions (i.e. Schadenfreude and envy) is critical to understand the ecological complexity of everyday interactions between cognitive, affective, and social cognition processes. Most previous studies in ...