Cognitive benefits of last night's sleep: daily variations in children's sleep behavior are related to working memory fluctuations / Tanja KÖNEN in Journal of Child Psychology and Psychiatry, 56-2 (February 2015)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 56-2 (February 2015) . - p.171-182 Titre : Cognitive benefits of last night's sleep: daily variations in children's sleep behavior are related to working memory fluctuations Type de document : texte imprimé Auteurs : Tanja KÖNEN, Auteur ; Judith DIRK, Auteur ; Florian SCHMIEDEK, Auteur Article en page(s) : p.171-182 Langues : Anglais (eng) Mots-clés : Working memory  sleep  school children  structural equation modeling  longitudinal studies Index. décimale : PER Périodiques Résumé : Background Recent studies have suggested substantial fluctuations of cognitive performance in adults both across and within days, but very little is known about such fluctuations in children. Children's sleep behavior might have an important influence on their daily cognitive resources, but so far this has not been investigated in terms of naturally occurring within-person variations in children's everyday lives. Methods In an ambulatory assessment study, 110 elementary school children (8–11 years old) completed sleep items and working memory tasks on smartphones several times per day in school and at home for 4 weeks. Parents provided general information about the children and their sleep habits. Results We identified substantial fluctuations in the children's daily cognitive performance, self-reported nightly sleep quality, time in bed, and daytime tiredness. All three facets were predictive of performance fluctuations in children's school and daily life. Sleep quality and time in bed were predictive of performance in the morning, and afternoon performance was related to current tiredness. The children with a lower average performance level showed a higher within-person coupling between morning performance and sleep quality. Conclusions Our findings contribute important insights regarding a potential source of performance fluctuations in children. The effect of varying cognitive resources should be investigated further because it might impact children's daily social, emotional, and learning-related functioning. Theories about children's cognitive and educational development should consider fluctuations on micro-longitudinal scales (e.g., day-to-day) to identify possible mechanisms behind long-term changes. En ligne : http://dx.doi.org/10.1111/jcpp.12296 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=259 [article] Cognitive benefits of last night's sleep: daily variations in children's sleep behavior are related to working memory fluctuations [texte imprimé] / Tanja KÖNEN, Auteur ; Judith DIRK, Auteur ; Florian SCHMIEDEK, Auteur . - p.171-182. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 56-2 (February 2015) . - p.171-182 Mots-clés : Working memory  sleep  school children  structural equation modeling  longitudinal studies Index. décimale : PER Périodiques Résumé : Background Recent studies have suggested substantial fluctuations of cognitive performance in adults both across and within days, but very little is known about such fluctuations in children. Children's sleep behavior might have an important influence on their daily cognitive resources, but so far this has not been investigated in terms of naturally occurring within-person variations in children's everyday lives. Methods In an ambulatory assessment study, 110 elementary school children (8–11 years old) completed sleep items and working memory tasks on smartphones several times per day in school and at home for 4 weeks. Parents provided general information about the children and their sleep habits. Results We identified substantial fluctuations in the children's daily cognitive performance, self-reported nightly sleep quality, time in bed, and daytime tiredness. All three facets were predictive of performance fluctuations in children's school and daily life. Sleep quality and time in bed were predictive of performance in the morning, and afternoon performance was related to current tiredness. The children with a lower average performance level showed a higher within-person coupling between morning performance and sleep quality. Conclusions Our findings contribute important insights regarding a potential source of performance fluctuations in children. The effect of varying cognitive resources should be investigated further because it might impact children's daily social, emotional, and learning-related functioning. Theories about children's cognitive and educational development should consider fluctuations on micro-longitudinal scales (e.g., day-to-day) to identify possible mechanisms behind long-term changes. En ligne : http://dx.doi.org/10.1111/jcpp.12296 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=259

From traits to trajectories: How changes in reactive temperament relate to the development of externalizing symptoms / Henning HEINZE in Development and Psychopathology, 38-3 (August 2026)  

Public ISBD [article]  inDevelopment and Psychopathology > 38-3 (August 2026) . - p.1438-1453 Titre : From traits to trajectories: How changes in reactive temperament relate to the development of externalizing symptoms Type de document : texte imprimé Auteurs : Henning HEINZE, Auteur ; Florian SCHMIEDEK, Auteur ; Valerie BRANDT, Auteur ; Monika DASEKING, Auteur ; Julia KERNER AUCH KOERNER, Auteur Article en page(s) : p.1438-1453 Langues : Anglais (eng) Mots-clés : ADHD  externalizing  longitudinal  preschool  temperament Index. décimale : PER Périodiques Résumé : Temperament has been linked to the development of externalizing symptoms, but the nature of these associations remains unclear. Traditional approaches often treat early reactive temperament as static, overlooking developmental variation. This study applied a longitudinal latent change score model to examine how levels and changes in Negative Affect (NA) and Surgency from age 3 to 5 predict Conduct Problems (CP) and Attention-Deficit/Hyperactivity Disorder (ADHD) symptoms in early childhood. Data from the National Educational Panel Study (N = 2,477) were analyzed. Temperament was assessed at ages 3, 4, and 5 using the Children’s Behavior Questionnaire, and CP and ADHD symptoms were measured at ages 5, 6, and 8 with the Strengths and Difficulties Questionnaire. Measurement invariance was established. Significant individual differences in developmental change emerged. Change in NA and Surgency, but not baseline levels, predicted higher latent CP and ADHD symptom levels at age 5 and further increases through age 8. These findings indicate that intraindividual change in reactive temperament can be a relevant marker of developmental risk. Temperamental risk for externalizing symptoms in early childhood is not fixed but may be shaped by both stable dispositions and developmental change, highlighting the importance of assessing temperament development to identify early emerging risk. En ligne : https://dx.doi.org/10.1017/S0954579426101278 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=590 [article] From traits to trajectories: How changes in reactive temperament relate to the development of externalizing symptoms [texte imprimé] / Henning HEINZE, Auteur ; Florian SCHMIEDEK, Auteur ; Valerie BRANDT, Auteur ; Monika DASEKING, Auteur ; Julia KERNER AUCH KOERNER, Auteur . - p.1438-1453. Langues : Anglais (eng) in Development and Psychopathology > 38-3 (August 2026) . - p.1438-1453 Mots-clés : ADHD  externalizing  longitudinal  preschool  temperament Index. décimale : PER Périodiques Résumé : Temperament has been linked to the development of externalizing symptoms, but the nature of these associations remains unclear. Traditional approaches often treat early reactive temperament as static, overlooking developmental variation. This study applied a longitudinal latent change score model to examine how levels and changes in Negative Affect (NA) and Surgency from age 3 to 5 predict Conduct Problems (CP) and Attention-Deficit/Hyperactivity Disorder (ADHD) symptoms in early childhood. Data from the National Educational Panel Study (N = 2,477) were analyzed. Temperament was assessed at ages 3, 4, and 5 using the Children’s Behavior Questionnaire, and CP and ADHD symptoms were measured at ages 5, 6, and 8 with the Strengths and Difficulties Questionnaire. Measurement invariance was established. Significant individual differences in developmental change emerged. Change in NA and Surgency, but not baseline levels, predicted higher latent CP and ADHD symptom levels at age 5 and further increases through age 8. These findings indicate that intraindividual change in reactive temperament can be a relevant marker of developmental risk. Temperamental risk for externalizing symptoms in early childhood is not fixed but may be shaped by both stable dispositions and developmental change, highlighting the importance of assessing temperament development to identify early emerging risk. En ligne : https://dx.doi.org/10.1017/S0954579426101278 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=590

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