Transcranial oscillatory direct current stimulation during sleep improves declarative memory consolidation in children with attention-deficit/hyperactivity disorder to a level comparable to healthy controls

Alexander Prehn-Kristensen*, Manuel Munz, Robert Göder, Ines Wilhelm, Katharina Korr, Wiebke Vahl, Christian D. Wiesner, Lioba Baving

*Korrespondierende/r Autor/-in für diese Arbeit
85 Zitate (Scopus)

Abstract

Background Slow oscillations (<1 Hz) during slow wave sleep (SWS) promote the consolidation of declarative memory. Children with attention-deficit/hyperactivity disorder (ADHD) have been shown to display deficits in sleep-dependent consolidation of declarative memory supposedly due to dysfunctional slow brain rhythms during SWS.

Objective Using transcranial oscillating direct current stimulation (toDCS) at 0.75 Hz, we investigated whether an externally triggered increase in slow oscillations during early SWS elevates memory performance in children with ADHD.

Methods: 12 children with ADHD underwent a toDCS and a sham condition in a double-blind crossover study design conducted in a sleep laboratory. Memory was tested using a 2D object-location task. In addition, 12 healthy children performed the same memory task in their home environment.

Results Stimulation enhanced slow oscillation power in children with ADHD and boosted memory performance to the same level as in healthy children.

Conclusions These data indicate that increasing slow oscillation power during sleep by toDCS can alleviate declarative memory deficits in children with ADHD.

OriginalspracheEnglisch
ZeitschriftBrain Stimulation
Jahrgang7
Ausgabenummer6
Seiten (von - bis)793-799
Seitenumfang7
ISSN1935-861X
DOIs
PublikationsstatusVeröffentlicht - 01.11.2014

Strategische Forschungsbereiche und Zentren

  • Forschungsschwerpunkt: Gehirn, Hormone, Verhalten - Center for Brain, Behavior and Metabolism (CBBM)

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