Alexandre Salvador

Ketamine disrupts consciousness in healthy participants in relation with psychotic-like symptoms

This study shows that low-dose ketamine impairs conscious access in healthy participants, correlating with psychotic-like symptoms but not manic-like ones, and affecting early visual processing.

Dissociating the functional role of the para-hippocampal and the parietal cortex in human multi-step reinforcement learning

This study identifies distinct roles of the parahippocampal and parietal cortex in multi-step reinforcement learning using fMRI data from 28 participants.

Premature commitment to uncertain beliefs during human NMDA receptor hypofunction

This study investigates how NMDA receptor hypofunction affects cognitive inference under uncertainty, finding impaired decision-making and altered brain activity patterns.

Specific effect of a dopamine partial agonist on counterfactual learning: evidence from Gilles de la Tourette syndrome

This study investigates how aripiprazole affects counterfactual learning in Gilles de la Tourette syndrome patients, finding it preserves direct learning but impairs counterfactual learning.