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  Assessing the utility of frequency tagging for tracking memory-based reactivation of word representations

Lewis, A. G., Schriefers, H., Bastiaansen, M., & Schoffelen, J.-M. (2018). Assessing the utility of frequency tagging for tracking memory-based reactivation of word representations. Scientific Reports, 8: 7897. doi:10.1038/s41598-018-26091-3.

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Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
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Lewis, Ashley Glen1, 2, 3, Author           
Schriefers, Herbert3, Author
Bastiaansen, Marcel4, 5, Author
Schoffelen, Jan-Mathijs3, Author
Affiliations:
1Neurobiology of Language Department, MPI for Psycholinguistics, Max Planck Society, ou_792551              
2Haskins Laboratories, New Haven, CT, USA, ou_persistent22              
3Donders Institute for Brain, Cognition and Behaviour, External Organizations, ou_55236              
4Tilburg University, Department of Cognitive Neuropsychology, Tilburg, The Netherlands, ou_persistent22              
5NHTV University of Applied Sciences, Academy for Leisure, Breda, The Netherlands, ou_persistent22              

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 Abstract: Reinstatement of memory-related neural activity measured with high temporal precision potentially provides a useful index for real-time monitoring of the timing of activation of memory content during cognitive processing. The utility of such an index extends to any situation where one is interested in the (relative) timing of activation of different sources of information in memory, a paradigm case of which is tracking lexical activation during language processing. Essential for this approach is that memory reinstatement effects are robust, so that their absence (in the average) definitively indicates that no lexical activation is present. We used electroencephalography to test the robustness of a reported subsequent memory finding involving reinstatement of frequency-specific entrained oscillatory brain activity during subsequent recognition. Participants learned lists of words presented on a background flickering at either 6 or 15 Hz to entrain a steady-state brain response. Target words subsequently presented on a non-flickering background that were correctly identified as previously seen exhibited reinstatement effects at both entrainment frequencies. Reliability of these statistical inferences was however critically dependent on the approach used for multiple comparisons correction. We conclude that effects are not robust enough to be used as a reliable index of lexical activation during language processing.

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Language(s): eng - English
 Dates: 2018-04-302018-05-21
 Publication Status: Published online
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 Rev. Type: Peer
 Identifiers: DOI: 10.1038/s41598-018-26091-3
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Title: Scientific Reports
  Abbreviation : Sci. Rep.
Source Genre: Journal
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Publ. Info: London, UK : Nature Publishing Group
Pages: - Volume / Issue: 8 Sequence Number: 7897 Start / End Page: - Identifier: ISSN: 2045-2322
CoNE: https://pure.mpg.de/cone/journals/resource/2045-2322