Retrieval During Learning Facilitates Subsequent Memory Encoding

Pastoetter, Bernhard and Schicker, Sabine and Niedernhuber, Julia and Baeuml, Karl-Heinz T. (2011) Retrieval During Learning Facilitates Subsequent Memory Encoding. JOURNAL OF EXPERIMENTAL PSYCHOLOGY-LEARNING MEMORY AND COGNITION, 37 (2). pp. 287-297. ISSN 0278-7393,

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Abstract

In multiple-list learning, retrieval during learning has been suggested to improve recall of the single lists by enhancing list discrimination and, at test, reducing interference. Using electrophysiological, oscillatory measures of brain activity, we examined to what extent retrieval during learning facilitates list encoding. Subjects studied 5 lists of items in anticipation of a final cumulative recall test and did either a retrieval or a no-retrieval task between study of the lists. Retrieval was front episodic memory (recall of the previous list), semantic memory (generation of exemplars from an unrelated category), or short-term memory (2-back task). Behaviorally, all 3 forms of retrieval enhanced recall of both previously and subsequently studied lists. Physiologically, the results showed an increase of alpha power (8-14 Hz) from List 1 to List 5 encoding when no retrieval activities were interpolated but no such increase when any of the 3 retrieval activities occurred. Brain-behavior correlations showed that alpha-power dynamics from List 1 to List 5 encoding predicted subsequent recall performance. The results suggest that, without intermittent retrieval, encoding becomes ineffective across lists. In contrast, with intermittent retrieval, there is a reset of the encoding process for each single list that makes encoding of later lists as effective as encoding of early lists.

Item Type: Article
Uncontrolled Keywords: EPISODIC MEMORY; FREE-RECALL; RECOGNITION MEMORY; THETA OSCILLATIONS; GAMMA OSCILLATIONS; WORKING-MEMORY; CONTEXT CHANGE; ALPHA; MODEL; EEG; learning; encoding; retrieval; testing; brain oscillations
Subjects: 100 Philosophy & psychology > 150 Psychology
Divisions: Human Sciences > Institut für Psychologie > Lehrstuhl für Psychologie IV (Entwicklungs- und Kognitionspsychologie) - Prof. Dr. Karl-Heinz Bäuml
Depositing User: Dr. Gernot Deinzer
Date Deposited: 25 Jun 2020 08:46
Last Modified: 25 Jun 2020 08:46
URI: https://pred.uni-regensburg.de/id/eprint/21244

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