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Title: Electrophysiological Correlates of Saving-Enhanced Memory: Exploring Similarities to List-Method Directed Forgetting
Authors: Runge, Yannick
Frings, Christian
Tempel, Tobias
Pastötter, Bernhard
Issue Date: 20-Feb-2020
Abstract: People regularly outsource parts of their memory onto external memory stores like computers or smartphones. Such cognitive offloading can enhance subsequent memory performance, as referred to the saving-enhanced memory effect [Storm & Stone, 2015. Saving-enhanced memory: The benefits of saving on the learning and remembering of new information. Psychological Science, 26(2), 182-188]. The cognitive mechanisms of this effect are not clear to date, however similarities to list-method directed forgetting (LMDF) have been stated. Here, we want to examine in 52 participants the electrophysiological (EEG) correlates of the saving-enhanced memory effect and compare our results to earlier LMDF findings [Hanslmayr et al., 2012. Prefrontally driven downregulation of neural synchrony mediates goal-directed forgetting. Journal of Neuroscience, 32(42), 14742-14751]. For this purpose, EEG alpha power and alpha phase synchrony during the encoding of two word lists will be compared as a function of saving or no-saving. If saving-enhanced memory is related to LMDF, saving in comparison to no-saving between lists should reduce alpha power and alpha phase synchrony during List 2 encoding, two effects that have been related to List 2 encoding benefits and List 1 inhibition in the earlier LMDF work. Overall, the results of the present study will clarify how close the saving-enhanced memory effect is related (at the level of brain oscillations) to LMDF.
Citation: Runge, Y., Frings, C., Tempel, T., & Pastötter, B. (2020). Electrophysiological Correlates of Saving-Enhanced Memory: Exploring Similarities to List-Method Directed Forgetting. Leibniz Institut für Psychologische Information und Dokumentation (ZPID).
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