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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/223150
Alpha and beta desynchronization during consolidation of newly learned words
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While a growing body of literature exists on initial word-to-meaning mapping and retrieval of fully lexicalized words, our understanding on the consolidation that occurs between these two stages remains limited. The current study investigated the neural correlates of retrieving newly learned word using oscillatory brain dynamics. Participants learned to associate new words with unknown objects and performed overt and covert naming tasks during the first and last days of a five-day training period. Behavioral results showed improved overt naming on Day 5 compared to Day 1. Selecting only words that were successfully produced in the overt naming task, we examined oscillatory activity associated with word retrieval while participants produced new words covertly, both pre- (Day 1) and post (Day 5) learning. The results showed a robust alpha (8–12 Hz) and lower beta (13–25 Hz) power decrease during covert naming after learning. We hypothesize that this alpha-beta power decrease indexes successful word retrieval following consolidation.
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ZAPPA, Ana, et al. Alpha and beta desynchronization during consolidation of newly learned words. Neuroimage. 2025. Vol. 318. ISSN 1053-8119. [consulted: 8 of October of 2026]. Available at: https://hdl.handle.net/2445/223150