Induction of nitric oxide via humming does not improve short-term cognitive performance or influence emotional processing

• Gregory Francis ,

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

  * E-mail: gfrancis@purdue.edu

  Affiliation Department of Psychological Sciences, Purdue University, West Lafayette, Indiana, United States of America

  https://orcid.org/0000-0002-8634-794X

  ⨯
• Predrag Petrovic,

  Roles Conceptualization, Methodology, Writing – review & editing

  Affiliation Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden

  ⨯
• Johan N. Lundström,

  Roles Conceptualization, Methodology, Writing – review & editing

  Affiliations Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden, Monell Chemical Senses Center, Philadelphia, PA, United States of America

  https://orcid.org/0000-0002-3529-8981

  ⨯
• Evelina Thunell

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

  Affiliation Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden

  https://orcid.org/0000-0002-9368-4661

  ⨯