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Tipping points? Curvilinear associations between activity level and mental development in toddlers / Megan FLOM in Journal of Child Psychology and Psychiatry, 58-5 (May 2017)
[article]
Titre : Tipping points? Curvilinear associations between activity level and mental development in toddlers Type de document : Texte imprimé et/ou numérique Auteurs : Megan FLOM, Auteur ; Madeleine COHEN, Auteur ; Kimberly J. SAUDINO, Auteur Article en page(s) : p.564-572 Langues : Anglais (eng) Mots-clés : Activity level early childhood curvilinear mental development optimal stimulation model Index. décimale : PER Périodiques Résumé : Background The Theory of Optimal Stimulation (Zentall & Zentall, Psychological Bulletin, 94, 1983, 446) posits that the relation between activity level (AL) and cognitive performance follows an inverted U shape where midrange AL predicts better cognitive performance than AL at the extremes. Methods We explored this by fitting linear and quadratic models predicting mental development from AL assessed via multiple methods (parent ratings, observations, and actigraphs) and across multiple situations (laboratory play, laboratory test, home) in over 600 twins (2- and 3-year olds). Results Only observed AL in the laboratory was curvilinearly related to mental development scores. Results replicated across situations, age, and twin samples, providing strong support for the optimal stimulation model for this measure of AL in early childhood. Conclusions Different measures of AL provide different information. Observations of AL which include both qualitative and quantitative aspects of AL within structured situations are able to capture beneficial aspects of normative AL as well as detriments of both low and high AL. En ligne : http://dx.doi.org/10.1111/jcpp.12670 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=306
in Journal of Child Psychology and Psychiatry > 58-5 (May 2017) . - p.564-572[article] Tipping points? Curvilinear associations between activity level and mental development in toddlers [Texte imprimé et/ou numérique] / Megan FLOM, Auteur ; Madeleine COHEN, Auteur ; Kimberly J. SAUDINO, Auteur . - p.564-572.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 58-5 (May 2017) . - p.564-572
Mots-clés : Activity level early childhood curvilinear mental development optimal stimulation model Index. décimale : PER Périodiques Résumé : Background The Theory of Optimal Stimulation (Zentall & Zentall, Psychological Bulletin, 94, 1983, 446) posits that the relation between activity level (AL) and cognitive performance follows an inverted U shape where midrange AL predicts better cognitive performance than AL at the extremes. Methods We explored this by fitting linear and quadratic models predicting mental development from AL assessed via multiple methods (parent ratings, observations, and actigraphs) and across multiple situations (laboratory play, laboratory test, home) in over 600 twins (2- and 3-year olds). Results Only observed AL in the laboratory was curvilinearly related to mental development scores. Results replicated across situations, age, and twin samples, providing strong support for the optimal stimulation model for this measure of AL in early childhood. Conclusions Different measures of AL provide different information. Observations of AL which include both qualitative and quantitative aspects of AL within structured situations are able to capture beneficial aspects of normative AL as well as detriments of both low and high AL. En ligne : http://dx.doi.org/10.1111/jcpp.12670 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=306 Patterns of objectively measured motor activity among infants developing ASD and concerns for ADHD / Rachel REETZKE in Journal of Child Psychology and Psychiatry, 63-6 (June 2022)
[article]
Titre : Patterns of objectively measured motor activity among infants developing ASD and concerns for ADHD Type de document : Texte imprimé et/ou numérique Auteurs : Rachel REETZKE, Auteur ; Ana-Maria IOSIF, Auteur ; Burt HATCH, Auteur ; Leiana DE LA PAZ, Auteur ; Annie CHUANG, Auteur ; Sally OZONOFF, Auteur ; Meghan MILLER, Auteur Article en page(s) : p.663-673 Langues : Anglais (eng) Mots-clés : Activity level attention-deficit/hyperactivity disorder autism spectrum disorder infancy Index. décimale : PER Périodiques Résumé : BACKGROUND: Heightened motor activity is a hallmark of attention-deficit/hyperactivity disorder (ADHD), yet high activity levels are also often reported in young children with autism spectrum disorder (ASD). It is currently unclear whether increased motor activity represents a distinct versus shared early predictor of ASD and ADHD; no prior studies have directly examined this prospectively. We investigated differences in longitudinal patterns of objectively measured motor activity during early development. METHODS: Participants included 113 infants at high and low risk for ASD or ADHD. Continuous motion-based activity was recorded using tri-axial accelerometers at 12, 18, 24, and 36?months of age. At 36?months, participants were categorized into one of three outcome groups: ASD (n=19), ADHD Concerns (n=17), and Typically Developing (TD; n=77). Group differences in trajectories of motor activity were examined in structured and semistructured contexts. Associations with behaviors relevant to ASD, ADHD, and general development were also examined. RESULTS: In both structured and semistructured contexts, both the ASD and ADHD Concerns groups exhibited heightened activity relative to the TD group by 18?months; the ASD group exhibited higher activity than the ADHD Concerns group at 24-36?months in the structured context only. Attention/behavior regulation, nonverbal, and verbal development-but not social engagement-were differentially associated with objectively measured activity by outcome group across contexts. CONCLUSIONS: Overactivity may be a shared, rather than distinct, precursor of atypical development in infants/toddlers developing ASD and concerns for ADHD, emerging as early as 18?months. Group differences in overactivity may be context-specific and associated with different underlying mechanisms. En ligne : http://dx.doi.org/10.1111/jcpp.13504 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=475
in Journal of Child Psychology and Psychiatry > 63-6 (June 2022) . - p.663-673[article] Patterns of objectively measured motor activity among infants developing ASD and concerns for ADHD [Texte imprimé et/ou numérique] / Rachel REETZKE, Auteur ; Ana-Maria IOSIF, Auteur ; Burt HATCH, Auteur ; Leiana DE LA PAZ, Auteur ; Annie CHUANG, Auteur ; Sally OZONOFF, Auteur ; Meghan MILLER, Auteur . - p.663-673.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 63-6 (June 2022) . - p.663-673
Mots-clés : Activity level attention-deficit/hyperactivity disorder autism spectrum disorder infancy Index. décimale : PER Périodiques Résumé : BACKGROUND: Heightened motor activity is a hallmark of attention-deficit/hyperactivity disorder (ADHD), yet high activity levels are also often reported in young children with autism spectrum disorder (ASD). It is currently unclear whether increased motor activity represents a distinct versus shared early predictor of ASD and ADHD; no prior studies have directly examined this prospectively. We investigated differences in longitudinal patterns of objectively measured motor activity during early development. METHODS: Participants included 113 infants at high and low risk for ASD or ADHD. Continuous motion-based activity was recorded using tri-axial accelerometers at 12, 18, 24, and 36?months of age. At 36?months, participants were categorized into one of three outcome groups: ASD (n=19), ADHD Concerns (n=17), and Typically Developing (TD; n=77). Group differences in trajectories of motor activity were examined in structured and semistructured contexts. Associations with behaviors relevant to ASD, ADHD, and general development were also examined. RESULTS: In both structured and semistructured contexts, both the ASD and ADHD Concerns groups exhibited heightened activity relative to the TD group by 18?months; the ASD group exhibited higher activity than the ADHD Concerns group at 24-36?months in the structured context only. Attention/behavior regulation, nonverbal, and verbal development-but not social engagement-were differentially associated with objectively measured activity by outcome group across contexts. CONCLUSIONS: Overactivity may be a shared, rather than distinct, precursor of atypical development in infants/toddlers developing ASD and concerns for ADHD, emerging as early as 18?months. Group differences in overactivity may be context-specific and associated with different underlying mechanisms. En ligne : http://dx.doi.org/10.1111/jcpp.13504 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=475 Stimulation Seeking and Hyperactivity in Children with ADHD / Inge ANTROP in Journal of Child Psychology and Psychiatry, 41-2 (February 2000)
[article]
Titre : Stimulation Seeking and Hyperactivity in Children with ADHD Type de document : Texte imprimé et/ou numérique Auteurs : Inge ANTROP, Auteur ; Herbert ROEYERS, Auteur ; Paulette VAN OOST, Auteur ; Ann BUYSSE, Auteur Année de publication : 2000 Article en page(s) : p.225-231 Langues : Anglais (eng) Mots-clés : Activity level ADD/ADHD behavioural measures environmental influences hyperactivity stimulation seeking Index. décimale : PER Périodiques Résumé : Thirty hyperactive and 30 non-hyperactive children were confronted with a delay, consisting of a waiting situation of 15 minutes, either with or without extra stimulation provided by the presentation of a videotape. The behaviour of the child during the waiting period was videotaped and later coded by two naive observers. In line with theories that emphasise the stimulation-seeking function of hyperactive behaviours, such as the optimal stimulation account and the delay aversion theory, a group by stimulation effect was hypothesised. For two categories of activity this was found, with ADHD children displaying more activity than non-ADHD children in the no-stimulation but not in the stimulation condition. These data provide support for the stimulation-seeking function of certain features of ADHD hyperactivity. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=125
in Journal of Child Psychology and Psychiatry > 41-2 (February 2000) . - p.225-231[article] Stimulation Seeking and Hyperactivity in Children with ADHD [Texte imprimé et/ou numérique] / Inge ANTROP, Auteur ; Herbert ROEYERS, Auteur ; Paulette VAN OOST, Auteur ; Ann BUYSSE, Auteur . - 2000 . - p.225-231.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 41-2 (February 2000) . - p.225-231
Mots-clés : Activity level ADD/ADHD behavioural measures environmental influences hyperactivity stimulation seeking Index. décimale : PER Périodiques Résumé : Thirty hyperactive and 30 non-hyperactive children were confronted with a delay, consisting of a waiting situation of 15 minutes, either with or without extra stimulation provided by the presentation of a videotape. The behaviour of the child during the waiting period was videotaped and later coded by two naive observers. In line with theories that emphasise the stimulation-seeking function of hyperactive behaviours, such as the optimal stimulation account and the delay aversion theory, a group by stimulation effect was hypothesised. For two categories of activity this was found, with ADHD children displaying more activity than non-ADHD children in the no-stimulation but not in the stimulation condition. These data provide support for the stimulation-seeking function of certain features of ADHD hyperactivity. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=125 The EAS Temperament Questionnaire—Factor Structure, Age Trends, Reliability, and Stability in a Norwegian Sample / Kristin S. MATHIESEN in Journal of Child Psychology and Psychiatry, 40-3 (March 1999)
[article]
Titre : The EAS Temperament Questionnaire—Factor Structure, Age Trends, Reliability, and Stability in a Norwegian Sample Type de document : Texte imprimé et/ou numérique Auteurs : Kristin S. MATHIESEN, Auteur ; Kristian TAMBS, Auteur Année de publication : 1999 Article en page(s) : p.431-439 Langues : Anglais (eng) Mots-clés : Shyness infancy temperament activity level emotion social behaviour assessment Index. décimale : PER Périodiques Résumé : A population-based sample of Norwegian children aged 18 months (N = 921), 30 months (N = 784), and 50 months (N = 737) was examined with the EAS Temperament Survey (Buss & Plomin, 1984). The factor structure, psychometric properties, and stability estimates of the instrument were assessed. A cross-validation of the temperament factors of Emotionality, Activity, and Shyness show that the covariance structure conforms with the three scales described by Rowe and Plomin (1977) and Boer and Westenberg (1994). When items from the experimental scale of Sociability were included in the analysis, a four-factor solution confirmed the separate usability of this scale as well. The factor structure does not seem to vary substantially with the age of the children. The scores on the four temperament scales show high stability from one time of measurement to the next. Although no strong gender differences were found, there were significant age trends. Emotionality and Shyness increased from 18 to 50 months, while Activity and Sociability decreased. The study confirmed the structure and stability of the EAS over 3 years among young children, providing support for its use with children as young as 18 months. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=124
in Journal of Child Psychology and Psychiatry > 40-3 (March 1999) . - p.431-439[article] The EAS Temperament Questionnaire—Factor Structure, Age Trends, Reliability, and Stability in a Norwegian Sample [Texte imprimé et/ou numérique] / Kristin S. MATHIESEN, Auteur ; Kristian TAMBS, Auteur . - 1999 . - p.431-439.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 40-3 (March 1999) . - p.431-439
Mots-clés : Shyness infancy temperament activity level emotion social behaviour assessment Index. décimale : PER Périodiques Résumé : A population-based sample of Norwegian children aged 18 months (N = 921), 30 months (N = 784), and 50 months (N = 737) was examined with the EAS Temperament Survey (Buss & Plomin, 1984). The factor structure, psychometric properties, and stability estimates of the instrument were assessed. A cross-validation of the temperament factors of Emotionality, Activity, and Shyness show that the covariance structure conforms with the three scales described by Rowe and Plomin (1977) and Boer and Westenberg (1994). When items from the experimental scale of Sociability were included in the analysis, a four-factor solution confirmed the separate usability of this scale as well. The factor structure does not seem to vary substantially with the age of the children. The scores on the four temperament scales show high stability from one time of measurement to the next. Although no strong gender differences were found, there were significant age trends. Emotionality and Shyness increased from 18 to 50 months, while Activity and Sociability decreased. The study confirmed the structure and stability of the EAS over 3 years among young children, providing support for its use with children as young as 18 months. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=124