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Author: search.filters.author.Vincent de GardelleSubject: search.filters.subject.adult

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    Item type:Publication,
    Social cues for experimenter incompetence influence choice blindness
    (Elsevier BV, 2025-07)
    Nicolás Marchant
    ;
    Gorka Navarrete
    ;
    Vincent de Gardelle
    ;
    SILVA CONCHA, JAIME  
    ;
    Jérôme Sackur
      3
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    Item type:Publication,
    Hydrocortisone decreases metacognitive efficiency independent of perceived stress
    (2020)
    REYES MUÑOZ, GABRIEL EDUARDO  
    ;
    VIVANCO CARLEVARI, ANASTASSIA BELEN  
    ;
    Franco Medina
    ;
    Carolina Manosalva
    ;
    Vincent de Gardelle
    <jats:title>Abstract</jats:title><jats:p>It is well established that acute stress produces negative effects on high level cognitive functions. However, these effects could be due to the physiological components of the stress response (among which cortisol secretion is prominent), to its psychological concomitants (the thoughts generated by the stressor) or to any combination of those. Our study shows for the first time that the typical cortisol response to stress is sufficient to impair metacognition, that is the ability to monitor one’s own performance in a task. In a pharmacological protocol, we administered either 20 mg hydrocortisone or placebo to 46 male participants, and measured their subjective perception of stress, their performance in a perceptual task, and their metacognitive ability. We found that hydrocortisone selectively impaired metacognitive ability, without affecting task performance or creating a subjective state of stress. In other words, the single physiological response of stress produces a net effect on metacognition. These results inform our basic understanding of the physiological bases of metacognition. They are also relevant for applied or clinical research about situations involving stress, anxiety, depression, or simply cortisol use.</jats:p>
      1  2Scopus© Citations 14
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    Item type:Publication,
    The Confidence Database
    (2020)
    Dobromir Rahnev
    ;
    Kobe Desender
    ;
    Alan L. F. Lee
    ;
    William T. Adler
    ;
    David Aguilar-Lleyda
      11Scopus© Citations 91