Laurianne Vagharchakian

Senior Consultant, Cognitive Companions, Paris, France


  • Since 2022: Senior Consultant, Cognitive Companions, Paris, France
  • 2021-2022: Senior Analyst at Vraiment Vraiment, Co-heading the Knowledge Management and Analysis Unit, Paris, France
  • 2018-2021: Executive advisor at the French Behavioural Unit, Paris, France
  • 2013-2017: Research Scientist, Max Planck Institute For Human Development (Gigerenzer group)
  • 2009 -2012: Post-Doc in Cognitive Neuroscience, Collège de France (Dehaene group)
  • 2005 - 2008: Research Scientist in Physics (Essilor Company)
  • 2004: Post-Doc in Physics, Collège de France (Lab of Pierre-Gilles de Gennes, Nobel Prize Laureate)
  • 2003: PhD in Physics, Pierre and Marie Curie Universit

Research interests

  • Social influence, social heuristics
  • Numerical cognition across lifespan
  • Risk communication, math education
  • Cognitive neurosciences (fMRI)

Selected Publications

Ruggeri, A., Vagharchakian, L., & Xu, F. (2018). Icon arrays help younger children's proportional reasoning. British Journal of Developmental Psychology, 36(2), 313-333.