The catecholamine precursor Tyrosine reduces autonomic arousal and decreases decision thresholds in reinforcement learning and temporal discounting

• David Mathar ,

  Roles Conceptualization, Data curation, Formal analysis, Methodology, Writing – original draft, Writing – review & editing

  * E-mail: dmathar@uni-koeln.de

  Affiliation Department of Psychology, Biological Psychology, University of Cologne, Cologne, Germany

  https://orcid.org/0000-0003-3411-7867

  ⨯
• Mani Erfanian Abdoust,

  Roles Investigation

  Affiliation Biological Psychology of Decision Making, Institute of Experimental Psychology, Heinrich Heine University Duesseldorf, Duesseldorf, Germany

  ⨯
• Tobias Marrenbach,

  Roles Investigation

  Affiliation Biological Psychology of Decision Making, Institute of Experimental Psychology, Heinrich Heine University Duesseldorf, Duesseldorf, Germany

  ⨯
• Deniz Tuzsus,

  Roles Methodology, Writing – review & editing

  Affiliation Department of Psychology, Biological Psychology, University of Cologne, Cologne, Germany

  ⨯
• Jan Peters

  Roles Conceptualization, Funding acquisition, Project administration, Supervision, Writing – review & editing

  Affiliation Department of Psychology, Biological Psychology, University of Cologne, Cologne, Germany

  https://orcid.org/0000-0002-0195-5357

  ⨯