Within the framework of the international scientific research project Neurocognitive Abilities and Early Bilingual Development: Language Exposure and Executive Functions (NeuroLEEF), from the 27th to the 30th April 2026 a field research was conducted in Rome. The research was carried out as part of the activities of the Research Centre for the Linguistic and Cultural Heritage of Istria at the Faculty of Humanities of the Juraj Dobrila University of Pula and involved students from the Istituto comprensivo Munari di Roma (IC Bruno Munari, Cardinal Massaia/Walt Disney branch – primary school; IC Bruno Munari, Pietro Verri branch – lower secondary school). The testing was carried out by Dr. Renata Martinčić Marić from the Faculty of Educational Sciences, Assoc. Prof. Dr. Nada Poropat Jeletić from the Faculty of Humanities and Giorgia Mazzetti, a student from Università degli Studi Roma Tre, who had previously completed an Erasmus+ mobility period at the Department of Italian Studies.