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Keith Summey North Charleston Library
Closed due to operational issues.
Phone: (843) 744-2489
Folly Beach Library
9 a.m. - 2 p.m.
*open the 2nd and 4th Saturday
*open the 2nd and 4th Saturday
Phone: (843) 588-2001
Main Library
9 a.m. - 5 p.m.
Phone: (843) 805-6930
West Ashley Library
9 a.m. - 5 p.m.
Phone: (843) 766-6635
Wando Mount Pleasant Library
9 a.m. - 5 p.m.
Phone: (843) 805-6888
McClellanville Library
9 a.m. – 1 p.m.
Phone: (843) 887-3699
Miss Jane's Building (Edisto Library Temporary Location)
9 a.m. – 1 p.m.
Phone: (843) 869-2355
John L. Dart Library
9 a.m. - 5 p.m.
Phone: (843) 722-7550
St. Paul's/Hollywood Library
9 a.m. - 5 p.m.
Phone: (843) 889-3300
Mt. Pleasant Library
9 a.m. – 5 p.m.
Phone: (843) 849-6161
Dorchester Road Library
9 a.m. - 5 p.m.
Phone: (843) 552-6466
Edgar Allan Poe/Sullivan's Island Library
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John's Island Library
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Otranto Road Library
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Phone: (843) 572-4094
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Phone: (843) 766-2546
Baxter-Patrick James Island
9 a.m. - 5 p.m.
Phone: (843) 795-6679
Bees Ferry West Ashley Library
9 a.m. - 5 p.m.
Phone: (843) 805-6892
Village Library
9 a.m. - 1 p.m.
Phone: (843) 884-9741
Mobile Library
Closed
Phone: (843) 805-6909
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Targeted memory reactivation during sleep influences social bias as a function of slow‐oscillation phase and delta power.
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- Author(s): Xia, Tao; Antony, James W.; Paller, Ken A.; Hu, Xiaoqing
- Source:
Psychophysiology; May2023, Vol. 60 Issue 5, p1-12, 12p, 5 Graphs- Subject Terms:
- Source:
- Additional Information
- Abstract: To understand how memories are reactivated and consolidated during sleep, experimenters have employed the unobtrusive re‐presentation of memory cues from a variety of pre‐sleep learning tasks. Using this procedure, known as targeted memory reactivation (TMR), we previously found that reactivation of counter‐social‐bias training during post‐training sleep could selectively enhance training effects in reducing unintentional social biases. Here, we describe re‐analyses of electroencephalographic (EEG) data from this previous study to characterize neurophysiological correlates of TMR‐induced bias reduction. We found that TMR benefits in bias reduction were associated with (a) the timing of memory‐related cue presentation relative to the 0.1–1.5 Hz slow‐oscillation phase and (b) cue‐elicited EEG power within the 1–4 Hz delta range. Although cue delivery was at a fixed rate in this study and not contingent on the slow‐oscillation phase, cues were found to be clustered in slow‐oscillation upstates for those participants with stronger TMR benefits. Similarly, higher cue‐elicited delta power 250–1000 ms after cue onset was also linked with larger TMR benefits. These electrophysiological results substantiate the claim that memory reactivation altered social bias in the original study, while also informing neural explanations of these benefits. Future research should consider these sleep physiology parameters in relation to TMR applications and to memory reactivation in general. Memory can be reactivated during sleep via unobtrusive presentation of learning‐related sensory cues. This procedure, known as targeted memory reactivation, is effective in promoting memory consolidation during slow‐wave sleep. However, the physiological basis of memory change during sleep is under‐specified. We showed that effective memory reactivation was associated with memory cues clustered at slow‐oscillation upstates and stronger cue‐elicited delta power. These neurophysiological signals provide information that is useful for understanding sleep‐based memory reactivation and consolidation. [ABSTRACT FROM AUTHOR]
- Abstract: Copyright of Psychophysiology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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