Sebastian Dieguez is a researcher in neuroscience and cognitive psychology at the University of Fribourg, Switzerland. His work focuses on belief formation, with a particular emphasis on contemporary conspiracy. He is also interested in the links between psychology and literature, the spread of pseudo-science, and the nature of self-awareness. In addition to his academic activities, he writes regularly in the magazine Cerveau & Psycho and the satirical journal Vigousse. His latest book is Total Bullshit! Au coeur de la post-vérité (PUF, 2018).