In the present experiment. we used event-related potentials (ERP) to investigate the role of immediate and delayed feedback in an artificial grammar learning task. Two groups of participants were engaged in classifying non-word strings according to an underlying rule system. not known to the participants. https://www.diegojavierfares.com/mega-super-Custom-Moulded-Cargo-Boot-Liner-Suits-Citroen-Grand-C4-Picasso-9-2006-On-Wagon-EXP-CARCRN00026-best-super/