Semantic congruence enhances memory of episodic associations: role of theta oscillations

Journal of Cognitive Neuroscience
M AtienzaJ L Cantero

Abstract

Growing evidence suggests that theta oscillations play a crucial role in episodic encoding. The present study evaluates whether changes in electroencephalographic theta source dynamics mediate the positive influence of semantic congruence on incidental associative learning. Here we show that memory for episodic associations (face-location) is more accurate when studied under semantically congruent contexts. However, only participants showing RT priming effect in a conceptual priming test (priming group) also gave faster responses when recollecting source information of semantically congruent faces as compared with semantically incongruent faces. This improved episodic retrieval was positively correlated with increases in theta power during the study phase mainly in the bilateral parahippocampal gyrus, left superior temporal gyrus, and left lateral posterior parietal lobe. Reconstructed signals from the estimated sources showed higher theta power for congruent than incongruent faces and also for the priming than the nonpriming group. These results are in agreement with the attention to memory model. Besides directing top-down attention to goal-relevant semantic information during encoding, the dorsal parietal lobe may also be in...Continue Reading

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Citations

Jan 28, 2014·Neurobiology of Learning and Memory·Esther Alberca-ReinaMercedes Atienza
Mar 9, 2012·Trends in Neurosciences·Marlieke T R van KesterenRichard N Henson
Jul 16, 2013·Trends in Cognitive Sciences·Elissa M AminoffMoshe Bar
Aug 10, 2012·Neuroscience and Biobehavioral Reviews·Marijn C W Kroes, Guillén Fernández
Feb 18, 2020·Cognition & Emotion·Christopher R MadanKatherine R Mickley Steinmetz
Jan 22, 2021·Neurobiology of Learning and Memory·Jörn Alexander QuentAndrea Greve
May 29, 2021·Neurobiology of Learning and Memory·Darya Frank, Alex Kafkas
Aug 28, 2021·Scientific Reports·Yu-Hsuan TsengTsuyoshi Okamoto

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