The ability to adapt behavior relies on detecting environmental changes and updating predictions when outcomes deviate from expectations (Prediction Error, PE). Reconsolidation framework proposes that, after a memory is reactivated with a PE, it transiently destabilizes and requires restabilization, allowing its strength and/or content to be modified. Evidence from animal and human studies shows that reactivation with PE strengthens declarative memories, increasing their precision, persistence, and resistance to interference. In this study, we assessed the efficacy of different PEs during episodic memory reconsolidation in young adults. We employed a 2x2 within-subject design manipulating instruction type (classical vs. new) and action possibility (complete vs. no-complete) during Day 2 reactivation. Thirty-five volunteers per group learned 32 face–name pairs (Day 1), underwent reactivation (Day 2) with PE or no-PE reminders, and were tested for retention (Day 3). Regarding results, it is expected that groups will show similar performance during initial associative learning (Day 1) and that differences will emerge between groups exposed to PE (classical/no-complete and new/complete) and those not exposed to PE (classical/complete and new/no-complete). These outcomes will provide further evidence for the role of prediction error in modulating memory reactivation and reconsolidation.