Cited by 114Sleep and Wakefulness ResearchAttention Deficit Hyperactivity DisorderSleep and related disorders

Reduced sleep-associated consolidation of declarative memory in attention-deficit/hyperactivity disorder

Prehn-Kristensen, Alexander, Göder, Robert, Fischer, Jochen, Wilhelm, Ines, Seeck-Hirschner, Mareen, Aldenhoff, Josef, Baving, Lioba·2011·Sleep Medicine

Abstract

Objective Sleep supports the consolidation of declarative memory. Patients with attention-deficit/hyperactivity disorder (ADHD) are not only characterized by sleep problems but also by declarative memory deficits. Given that the consolidation of declarative memory during sleep is supported by slow oscillations, which are predominantly generated by the prefrontal cortex, and that ADHD patients display low prefrontal brain activity, we assumed that ADHD patients show reduced sleep-associated consolidation of declarative memory.Methods The impact of sleep on the consolidation of declarative memory was examined with a picture recognition task. Twelve ADHD patients (10-16 years) and 12 healthy controls participated in two experimental conditions: in the sleep condition, learning was performed in the evening and picture recognition was tested after nocturnal sleep; in the wake condition, learning was conducted in the morning while retrieval took place after a day of wakefulness.Results Analyses of recognition accuracy revealed reduced sleep-associated enhancement of recognition accuracy in ADHD. While sleep-associated enhancement of recognition accuracy was correlated with slow oscillation power during non-REM sleep in healthy controls, no such correlations were observed in ADHD.Conclusions These data indicate a deficit in sleep-associated consolidation of declarative memory in ADHD. Moreover, our results suggest reduced functionality of slow oscillations in sleep-associated consolidation of declarative memory in ADHD.

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Crossref · 10.1016/j.sleep.2010.10.010

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Authors
Prehn-Kristensen, A., Göder, R., Fischer, J., Wilhelm, I., Seeck-Hirschner, M., Aldenhoff, J., & Baving, L.
Affiliations
  • Christian-Albrechts-Universität zu Kiel (DE)
  • University of Lübeck (DE)
Venue
Sleep Medicine
Publisher
Elsevier BV
Published
2011-08
Volume
12
Issue
7
Pages
672-679
ISSN
1389-9457 (ISSN-L)
OpenAlex
W2008888195
Cited by
114
References
67
Citations by year
2026: 5 · 2025: 6 · 2024: 4 · 2023: 4 · 2022: 9 · 2021: 13 · 2020: 6 · 2019: 15 · 2018: 7 · 2017: 7 · 2016: 7 · 2015: 10 · 2014: 7 · 2013: 7 · 2012: 4
FWCI
3.41
Type
journal article
Language
en
Open access
closed
Locations
  • Sleep Medicine (publishedVersion)
  • PubMed (publishedVersion)
Funders
Deutsche Forschungsgemeinschaft
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
  • Health Sciences › Medicine › Psychiatry and Mental health › Attention Deficit Hyperactivity Disorder
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and related disorders
Keywords
attention deficit hyperactivity disorder, sleep-dependent memory consolidation, declarative memory, slow oscillations, NREM sleep, prefrontal cortex, image recognition, memory retrieval, children
MeSH terms
Adolescent, Attention Deficit Disorder with Hyperactivity, Child, Electroencephalography, Emotions, Humans, Male, Sleep, Sleep Wake Disorders, Sleep, REM, Wakefulness, Polysomnography, Prefrontal Cortex, Memory, Episodic

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