Exogenous cortisol causes a shift from deliberative to intuitive thinking

Zsofia Margittai, Gideon Nave, Tina Strombach, Marijn van Wingerden, Lars Schwabe, Tobias Kalenscher

Research output: Contribution to journalArticleScientificpeer-review

Abstract

People often rely on intuitive judgments at the expense of deliberate reasoning, but what determines the dominance of intuition over deliberation is not well understood. Here, we employed a psychopharmacological approach to unravel the role of two major endocrine stress mediators, cortisol and noradrenaline, in cognitive reasoning. Healthy participants received placebo, cortisol (hydrocortisone) and/or yohimbine, a drug that increases noradrenergic stimulation, before performing the cognitive reflection test (CRT). We found that cortisol impaired performance in the CRT by biasing responses toward intuitive, but incorrect answers. Elevated stimulation of the noradrenergic system, however, had no effect. We interpret our results in the context of the dual systems theory of judgment and decision making. We propose that cortisol causes a shift from deliberate, reflective cognition toward automatic, reflexive information processing.

Original languageEnglish
Pages (from-to)131-5
Number of pages5
JournalPsychoneuroendocrinology
Volume64
DOIs
Publication statusPublished - Feb 2016
Externally publishedYes

Keywords

  • Adrenergic alpha-2 Receptor Antagonists/pharmacology
  • Blood Pressure/drug effects
  • Double-Blind Method
  • Humans
  • Hydrocortisone/administration & dosage
  • Intuition/drug effects
  • Male
  • Saliva/metabolism
  • Stress, Psychological/diagnosis
  • Thinking/drug effects
  • Yohimbine/pharmacology
  • Young Adult
  • alpha-Amylases/metabolism

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