Toni Gibbs-Dean

Exploring the relationship between frequent cannabis use, belief updating under uncertainty and psychotic-like symptoms.

Frontiers in Psychiatry 2024 Xinyi Liang, Maria-Mihaela Avram, Toni Gibbs-Dean et al.

Cannabis users present an important group for investigating putative mechanisms underlying psychosis, as cannabis-use is associated with an increased risk of psychosis. Recent work suggests that alterations in belief-updating under uncertainty underlie psychosis. We therefore compared belief updating under uncertainty between cannabis and non-cannabis users. 49 regular cannabis users and 52...