Marie Prévost

Marie Prévost

session, year:
2013 2nd

Former fellow

Receiving laboratory:
GAEL Applied Microeconomics, PACA

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Mobility project

The influences of emotions and heuristic reasoning on food behaviors: a neuroeconomic approach

Broadly speaking, my mobility research project explores how emotions influence decision making in general. We are looking at the cerebral correlates of food decision making, a highly emotional process due to the basic need for food that we have for survival. More specifically, we are testing the influences of emotions and mental shortcuts such as heuristics on our everyday food choices, and how they affect our evaluation of the healthiness of these food products.

Biography & research interests

During my PhD in neuroscience, I used event- related potentials to investigate how we process meaningful information in related or unrelated contexts and to what extent these processes are influenced by paranoid feelings, which we induced in participants. I then accepted a postdoctoral position in Professor Ian Gold’s neurophilosophy lab, where the concept of trust (and paranoia) was investigated from theoretical and experimental perspectives, exploring the role of oxytocin and social cognition in trust behaviour and tendencies. We collaborated with Dr Beate DItzen, in Zurich, and with Dr Mathieu Brodeur in Montreal, to broaden our approaches. In Grenoble, being an AgreenSkills Fellow, I investigated decision making processes and how emotions influence them. My research interests were, thus, numerous and I enjoyed the challenges that each new job brought to me. Today I am the CEO of La Fabrique à Neurones, a French startup incubated in Le Village by CA des Savoie. I created this company to propose solutions inspired by neurosciences to the world to maintain and enhance their cognitve functions.

Selected publications

Prevost, M., Brodeur, M., Onishi, KH., Lepage, M., Gold, I, 2015. Judging strangers' trustworthiness is associated with theory of mind skills. Frontiers In Psychiatry, 6. Doi: 10.3389/fpsyt.2015.00052.

Prevost, M, Zelkowitz P, Tulandi T, Hayton B, Feeley N, Carter CS, Joseph L, Pournajafi-Nazarloo H, Yong Ping E, Abenhaim H and Gold I, 2014. Oxytocin in pregnancy and the postpartum: relations to labor and its management. Front. Public Health 2:1. Doi: 10.3389/ fpubh.2014.00001.

Prevost, M., Carrier, ME., Chowne, G., Zelkowitz, P., Joseph, L., Gold, I, 2014. The Reading the Mind in the Eyes test: validation of a French version and exploration of cultural variations in a multi-ethnic city. Cognitive Neuropsychiatry, 19(3), 189-204.

Prévost M., Hot, P., Muller, L., Ruffieux, B., Cousin, E., Pichat, C., & Baciu, M., 2017. Neural correlates of the healthiness evaluation processes of food labels. Nutritional neuroscience, 1-11. Doi: 10.1080/1028415X.2017.1309820.

Muller, L., & Prevost, M., 2016. What cognitive sciences have to say about the impacts of nutritional labelling formats? Journal of Economic Psychology, 55, 17-29.


Food choice, emotions, fMRI, heuristic, ambiguity, nutritional information, analytic