Evidence map›Paper›PMID 34049047›Full record

ArticleSleep medicine2021

Maturational trajectories of non-rapid eye movement slow wave activity and odds ratio product in a population-based sample of youth.

Anna Ricci, Fan He, Jidong Fang, Susan L Calhoun, Alexandros N Vgontzas, Duanping Liao, Magdy Younes, Edward O Bixler, Julio Fernandez-Mendoza

Open access · greenAbstract read
In one paragraph

Article in Sleep medicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
1.5field-weighted citation impact, top 19% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

12 citing papers in PubMed, 17 citations in OpenAlex.

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  6. Edward O. Bixler, PhD: from the Apollo project and chimpanzees to sleep epidemiology.Sleep advances : a journal of the Sleep Research Society · 2024
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 2 institutions in 2 countries.

Anna RicciSleep Research & Treatment Center, Department of Psychiatry & Behavioral Health, Penn State College of Medicine, 500 University Dr., Hershey, PA, 17033 USA.
Fan HeDepartment of Public Health Sciences, Penn State College of Medicine, A210 Public Health Sciences, Hershey, PA, 17033 USA.
Jidong FangSleep Research & Treatment Center, Department of Psychiatry & Behavioral Health, Penn State College of Medicine, 500 University Dr., Hershey, PA, 17033 USA.
Susan L CalhounSleep Research & Treatment Center, Department of Psychiatry & Behavioral Health, Penn State College of Medicine, 500 University Dr., Hershey, PA, 17033 USA.
Alexandros N VgontzasSleep Research & Treatment Center, Department of Psychiatry & Behavioral Health, Penn State College of Medicine, 500 University Dr., Hershey, PA, 17033 USA.
Duanping LiaoDepartment of Public Health Sciences, Penn State College of Medicine, A210 Public Health Sciences, Hershey, PA, 17033 USA.
Magdy YounesSleep Disorders Centre, University of Manitoba, 1001 Wellington Crescent, Winnipeg, MB, R3M 0A7, Canada.
Edward O BixlerSleep Research & Treatment Center, Department of Psychiatry & Behavioral Health, Penn State College of Medicine, 500 University Dr., Hershey, PA, 17033 USA.
Julio Fernandez-MendozaSleep Research & Treatment Center, Department of Psychiatry & Behavioral Health, Penn State College of Medicine, 500 University Dr., Hershey, PA, 17033 USA. Electronic address: jfmendoza@psu.edu.
Pennsylvania State University · USUniversity of Manitoba · CA

Funding

Penn State Clinical and Translational Science InstituteUL1TR000127 · NCATS · PENNSYLVANIA STATE UNIV HERSHEY MED CTR · PI SINOWAY, LAWRENCE I · 2012 to 2015
$17.1M
The Penn State Child Sleep Cohort: Cardiometabolic and Neurocognitive Risk in Young AdulthoodR01HL136587 · NHLBI · PENNSYLVANIA STATE UNIV HERSHEY MED CTR · PI FERNANDEZ-MENDOZA, JULIO · 2018 to 2022
$3.7M
Sleep and cardio-metabolic risk factors: a prospective study of adolescentsR01HL097165 · NHLBI · PENNSYLVANIA STATE UNIV HERSHEY MED CTR · PI BIXLER, EDWARD O., LIAO, DUANPING · 2010 to 2013
$2.2M
PREVALENCE OF SLEEP DISORDERED BREATHING IN CHILDRENR01HL063772 · NHLBI · PENNSYLVANIA STATE UNIV HERSHEY MED CTR · PI BIXLER, EDWARD O. · 2001 to 2005
$1.3M
Sleep Cortical Dynamics and Neurobehavioral Risk in Children and Adolescents: A Longitudinal StudyR01MH118308 · NIMH · PENNSYLVANIA STATE UNIV HERSHEY MED CTR · PI FERNANDEZ-MENDOZA, JULIO · 2019 to 2021
$1.2M
NCATS NIH HHS UL1 TR000127NHLBI NIH HHS R01 HL063772NHLBI NIH HHS R01 HL097165NHLBI NIH HHS R01 HL136587NIMH NIH HHS R01 MH118308
6 · The paper itself

Abstract

backgroundBrain maturation is reflected in the sleep electroencephalogram (EEG) by a decline in non-rapid eye movement (NREM) slow wave activity (SWA) throughout adolescence and a related decrease in sleep depth. However, this trajectory and its sex and pubertal differences lack replication in population-based samples. We tested age-related changes in SWA (0.4-4 Hz) power and odds ratio product (ORP), a standardized measure of sleep depth.

methodsWe analyzed the sleep EEG of 572 subjects aged 6-21 y (48% female, 26% racial/ethnic minority) and 332 subjects 5-12 y followed-up at 12-22 y. Multivariable-adjusted analyses tested age-related cross-sectional and longitudinal trajectories of SWA and ORP.

resultsSWA remained stable from age 6 to 10, decreased between ages 11 and 17, and plateaued from age 18 to 21 (p-cubic<0.001); females showed a longitudinal decline 23% greater than males by 13 y, while males experienced a steeper slope after 14 y and their longitudinal decline was 21% greater by 19 y. More mature adolescents (75% female) experienced a greater longitudinal decline in SWA than less mature adolescents by 14 y. ORP showed an age-related increasing trajectory (p-linear<0.001) with no sex or pubertal differences.

conclusionsWe provide population-level evidence for the maturational decline and sex and pubertal differences in SWA in the transition from childhood to adolescence, while introducing ORP as a novel metric in youth. Along with previous studies, the distinct trajectories observed suggest that age-related changes in SWA reflect brain maturation and local/synaptic processes during this developmental period, while those of ORP may reflect global/state control of NREM sleep depth.

Indexed as

Cerebral CortexEthnicityAdolescentAdultChildCross-Sectional StudiesElectroencephalographyFemaleHumansMaleMinority GroupsOdds RatioSleepYoung AdultAdolescentsChildrenDelta powerOdds ratio productSleep depthSlow wave activity

Identifiers

PMID34049047
PMCPMC8206023
OpenAlexW3160560974

What OpenQuestion holds

Textmetadata
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Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.