Slow wave and REM sleep deprivation effects on explicit and implicit memory during sleep.

Casey, Sarah J.; Solomons, Luke; Steier, Joerg; Kabra, Neeraj; Burnside, Anna M; Pengo, Martino F.; Moxham, John; Kopelman, Michael

doi:10.1037/neu0000314

Cited by 32 publications

(21 citation statements)

References 105 publications

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“…However, no study to date examined whether these basic research findings also apply in the context of traumatic memories. Our results show several correspondences with basic research: In line with findings from Giganti et al (2014) and Casey et al (2016), we found that explicitbut not implicit -'trauma' memory was higher after sleep than after partial sleep deprivation. Moreover, group differences were selectively evident for recollection-based recognition memory, which is in agreement with previous findings from Drosopoulos et al (2005) and others (Atienza & Cantero, 2008;Daurat et al, 2007).…”

Section: Discussionsupporting

confidence: 91%

“…In line with the aforementioned studies, we predicted that recollection-based recognition memory would be higher in the Sleep group (Atienza & Cantero, 2008;Daurat et al, 2007;Drosopoulos et al, 2005). Moreover, we hypothesized that the Sleep group would show similar priming effects as the Partial sleep deprivation group (Casey et al, 2016;Giganti et al, 2014). Finally, we predicted that the Sleep group would experience fewer intrusions than the partial sleep deprivation (PSD) group (Kleim et al, 2016;Woud et al, 2018).…”

Section: Introductionsupporting

confidence: 61%

“…As previous findings indicate that familiaritybased recognition and priming do not rely on the hippocampus (Wang, Ranganath, & Yonelinas, 2014; but see Mayes et al, 2019;Merkow, Burke, & Kahana, 2015), we assume that these memory processes (often referred to as 'non-episodic memory'; see e.g., de Vanssay-Maigne et al, 2011;Eldridge, Knowlton, Furmanski, Bookheimer, & Engel, 2000;Rasch, Papassotiropoulos, & de Quervain, 2010) are not enhanced across sleep. As such, we assume that sleep enhances explicit recollection-based memory without affecting implicit memory (Casey et al, 2016;Giganti et al, 2014; but see Plihal & Born, 1999).…”

Section: Introductionmentioning

confidence: 99%

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Differential effects of sleep on explicit and implicit memory for potential trauma reminders: findings from an analogue study

Sopp

Brueckner

Schäfer

et al. 2019

European Journal of Psychotraumatology

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Background: Recent findings suggest that disruptions of sleep-related memory processing are involved in the development of posttraumatic stress symptoms. More specifically, exposure to an analogue traumatic event resulted in fewer intrusive memories, when it was followed by sleep instead of continued wakefulness. However, competing evidence suggests that sleep deprivation may reduce intrusive re-experiencing. To address these conflicting accounts, we examined how sleepas opposed to partial sleep deprivationmodulates explicit and implicit trauma memory using an analogue procedure. Methods: Healthy participants (N = 41) were assigned to a Sleep or Partial sleep deprivation group. Prior to nocturnal sleep, both groups were exposed to "traumatic" picture stories. After sleep or partial sleep deprivation, participants were subjected to tests of explicit and implicit memory for potential trauma reminders. Thereafter, participants completed an intrusion triggering task that was embedded in a distractor task. Results: Analyses revealed higher explicit memory for potential trauma reminders after sleep as compared to partial sleep deprivation. No group differences were found for implicit memory. Participants responded with fewer intrusions after sleep than following partial sleep deprivation. Conclusions: The current findings support a protective role of sleep in trauma memory processing, which may be evident after the first night of sleep post-trauma. Although more research is needed, our results corroborate the importance of promoting restful sleep in trauma-exposed individuals.

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Section: Discussionsupporting

confidence: 91%

Section: Introductionsupporting

confidence: 61%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Differential effects of sleep on explicit and implicit memory for potential trauma reminders: findings from an analogue study

Sopp

Brueckner

Schäfer

et al. 2019

European Journal of Psychotraumatology

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“…This result adds to a growing literature linking sleep with declarative knowledge acquisition, including word learning (1,24,25). In the TD group only, 4-h retention of the object-label association correlated with increased time in REM, consistent with previous studies indicating a role of REM sleep in the consolidation of languagerelated learning (17,21,25). Our results indicate that REM is also important for active consolidation of new arbitrary labels.…”

Section: Discussionsupporting

confidence: 90%

“…What physiological processes allow the sleep experienced while napping to be beneficial? Both rapid eye movement (REM) and non-REM (NREM) stages of sleep contribute to the consolidation of nascent material (7,(16)(17)(18). NREM 3 (N3, slow wave) sleep orchestrates hippocampal-neocortical dialogue and information transfer (19,20).…”

mentioning

confidence: 99%

REM sleep in naps differentially relates to memory consolidation in typical preschoolers and children with Down syndrome

Spanò

Gómez

Demara

et al. 2018

Proc. Natl. Acad. Sci. U.S.A.

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Sleep is recognized as a physiological state associated with learning, with studies showing that knowledge acquisition improves with naps. Little work has examined sleep-dependent learning in people with developmental disorders, for whom sleep quality is often impaired. We examined the effect of natural, in-home naps on word learning in typical young children and children with Down syndrome (DS). Despite similar immediate memory retention, naps benefitted memory performance in typical children but hindered performance in children with DS, who retained less when tested after a nap, but were more accurate after a wake interval. These effects of napping persisted 24 h later in both groups, even after an intervening overnight period of sleep. During naps in typical children, memory retention for object-label associations correlated positively with percent of time in rapid eye movement (REM) sleep. However, in children with DS, a population with reduced REM, learning was impaired, but only after the nap. This finding shows that a nap can increase memory loss in a subpopulation, highlighting that naps are not universally beneficial. Further, in healthy preschooler’s naps, processes in REM sleep may benefit learning.

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Preliminary Neurocognitive Results Post Hypoglossal Nerve Stimulation in Patients With Down Syndrome

et al. 2021

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This work was funded by LuMind IDSC Down Syndrome Foundation. Dr. Skotko occasionally consults on the topic of Down syndrome through Gerson Lehrman Group. He receives remuneration from Down syndrome nonprofit organizations for speaking engagements and associated travel expenses. Within the past 2 years, he has received research funding from F. Hoffmann-La Roche, Inc. and LuMind IDSC Down Syndrome Foundation to conduct clinical trials for people with Down syndrome. Dr. Skotko is occasionally asked to serve as an expert witness for legal cases where Down syndrome is discussed. Dr. Skotko serves in a nonpaid capacity on the Honorary

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Slow wave and REM sleep deprivation effects on explicit and implicit memory during sleep.

Abstract: These findings demonstrate the importance of measuring the sleep cycles throughout the entire night, and the contribution of both SWS and REM sleep to memory consolidation. (PsycINFO Database Record

Cited by 32 publications

References 105 publications

Differential effects of sleep on explicit and implicit memory for potential trauma reminders: findings from an analogue study

Differential effects of sleep on explicit and implicit memory for potential trauma reminders: findings from an analogue study

REM sleep in naps differentially relates to memory consolidation in typical preschoolers and children with Down syndrome

Preliminary Neurocognitive Results Post Hypoglossal Nerve Stimulation in Patients With Down Syndrome

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