Increased periodic arousal fluctuations during non-REM sleep are associated to superior memory

Brain Research Bulletin
Luigi Ferini-StrambiStefano Cappa

Abstract

Sleep has been implicated in the plastic cerebral changes that underlie learning and memory. The scientific investigation of people with exceptional memory has been relatively neglected. We report the results of a polysomnographic investigation of an individual with superior memory performance. The sleep structure, in terms of sleep induction and maintenance, as well as non-REM and REM sleep percentages, were normal. The main finding was an increased number of periodic arousal fluctuations during non-REM sleep (measured as cyclic alternating pattern, CAP) during two consecutive nights (7-8 S.D. units above that observed in age-matched controls). Since CAP rate reflects the structural organization of non-REM sleep, this observation supports the hypothesis of a link between non-REM sleep and declarative memory performance.

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Citations

Jul 3, 2013·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·C UrbainP Peigneux
Feb 26, 2010·Developmental Neuropsychology·Oliviero BruniPaolo Curatolo
Jun 20, 2012·Epilepsia·Alessandra M PereiraMagda L Nunes
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May 2, 2012·Sleep·Oliviero BruniRaffaele Ferri
Mar 21, 2012·Sleep Medicine·Alessandra Marques PereiraMagda Lahorgue Nunes
May 28, 2011·Sleep Medicine Reviews·Liborio ParrinoMario G Terzano
Mar 8, 2011·Sleep Medicine·Valeria DragoRaffaele Ferri
Aug 3, 2010·Sleep Medicine·Debora AricòRaffaele Ferri
Mar 17, 2010·Sleep Medicine·Raffaele FerriNaresh M Punjabi
Jul 15, 2009·Sleep Medicine·Liborio ParrinoMario Giovanni Terzano
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Dec 21, 2005·Journal of Sleep Research·Mario Giovanni TerzanoFranco Ferrillo
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Apr 30, 2010·Sleep Medicine·Oliviero BruniRaffaele Ferri
Jun 29, 2018·Brain Structure & Function·Péter Przemyslaw UjmaRaffaele Ferri

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