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https://www.readbyqxmd.com/read/28631965/short-term-test-retest-reliability-of-the-impact-in-healthy-young-athletes
#1
Amanda M O'Brien, Joseph E Casey, Rachel M Salmon
The present study examined the short-term test-retest reliability of the Immediate Post-concussion Assessment and Cognitive Testing (ImPACT) variables with healthy 11- to 14-year-old athletes. 53 young athletes (Mage = 12.4 years, 9 female) were administered the ImPACT on two separate occasions two weeks apart. Participants were instructed to complete the Post-Concussion Symptom Scale (PCSS) and the baseline computerized neurocognitive test during both the baseline and retest phases. Intraclass correlation (ICC), standard error of measurement (SEM), and reliable change index (RCI) were used as reliability metrics...
February 22, 2017: Applied Neuropsychology. Child
https://www.readbyqxmd.com/read/28623918/effects-of-herbal-medicine-for-dysmenorrhea-treatment-on-accompanied-acne-vulgaris-a-study-protocol-for-a-randomized-controlled-trial
#2
Kwan-Il Kim, Hae Jeong Nam, Mia Kim, Junhee Lee, Kyuseok Kim
BACKGROUND: The incidence of preadolescent acne among women is increasing. Acne deteriorates the quality of life; conventional treatment options are limited and have not been effective against acne, particularly acne associated with menstruation. Despite evidence that acne associated with menstruation abnormalities naturally improves when menstruation recovers to normal, there have only been few studies on the effects of dysmenorrhea treatment on acne. Therefore- we designed this study to assess the effects of gyejibokryung-hwan (GBH) and dangguijagyag-san (DJS), which are widely used in dysmenorrhea treatment, on acne associated with menstruation cycle...
June 17, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28622956/obesity-visceral-adipose-tissue-and-cognitive-function-in-childhood
#3
Lauren B Raine, Naiman A Khan, Eric S Drollette, Matthew B Pontifex, Arthur F Kramer, Charles H Hillman
OBJECTIVES: To evaluate the effects of a 9-month physical activity intervention on changes in adiposity and cognitive control based on pretrial weight status (ie, healthy weight vs obese) in children. STUDY DESIGN: Participants included obese (n = 77) and matched healthy-weight (n = 77) preadolescents (8-9 years) who participated in a 9-month physical activity randomized controlled trial. Cognitive function was assessed with an inhibitory control task (modified flanker task)...
June 13, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28615354/parenting-intervention-at-age-11-and-cotinine-levels-at-age-20-among-african-american-youth
#4
Yi-Fu Chen, Tianyi Yu, Gene H Brody
OBJECTIVES: This study was designed to test the hypothesis that African American preadolescents who participated in a family-centered parenting intervention at age 11 would show lower levels of cotinine, a biomarker for recent smoking, at age 20 than would similar participants in the control condition. The study was also designed to test the hypothesis that prevention-induced increases in supportive parenting would account for any prevention effects that emerged. METHODS: African American parents and their 11-year-old children in the rural southern United States were assigned randomly to the Strong African American Families program or to a control condition...
June 14, 2017: Pediatrics
https://www.readbyqxmd.com/read/28610974/positive-modulation-of-%C3%AE-5-gabaa-receptors-in-preadolescence-prevents-reduced-locomotor-response-to-amphetamine-in-adult-female-but-not-male-rats-prenatally-exposed-to-lipopolysaccharide
#5
Bojan Batinić, Anja Santrač, Ivan Jančić, Guanguan Li, Aleksandra Vidojević, Bojan Marković, James M Cook, Miroslav M Savić
We previously demonstrated that lipopolysaccharide (LPS) administered intraperitoneally (i.p.) to pregnant Wistar rat dams, at embryonic days 15 and 16 (E15/16), induced a decrease of baseline locomotor activity and diminished reactivity to amphetamine in adult female offspring. In the present study we aimed to assess the duration of LPS-induced maternal immune activation (MIA) and investigate possible changes in levels of main neurotransmitters in fetal brain during MIA. We hypothesized that the observed behavioral changes may be linked with MIA-induced disturbance of prenatal GABAergic system development, especially with α5 GABAA receptors (α5GABAARs), expression of which takes place between E14 and E17...
June 10, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28608168/a-unique-path-to-callous-unemotional-traits-for-children-who-are-temperamentally-fearless-and-unconcerned-about-transgressions-a-longitudinal-study-of-typically-developing-children-from-age-2-to-12
#6
Kathryn C Goffin, Lea J Boldt, Sanghag Kim, Grazyna Kochanska
Despite the acknowledged significance of callous-unemotional (CU) traits in developmental psychopathology, few studies have examined their early antecedents in typically developing children, in long-term longitudinal designs, using observational measures. In 102 community mothers, fathers, and children (N = 51 girls), we examined main and interactive effects of children's fearless temperament and low concern about transgressions from toddler to early school age as predictors of CU traits in middle childhood and early preadolescence...
June 13, 2017: Journal of Abnormal Child Psychology
https://www.readbyqxmd.com/read/28605263/acute-compensatory-responses-to-interrupting-prolonged-sitting-with-intermittent-activity-in-preadolescent-children
#7
Molly P O'Sullivan, Matthew R Nagy, Shannon S Block, Trevor R Tooley, Leah E Robinson, Natalie Colabianchi, Rebecca E Hasson
PURPOSE: The purpose of this study was to compare the effects of intermittent activity performed at varying intesnities and prolonged sitting on physical activity compensation. METHODS: Thirty-three children (14 boys, 19 girls; ages 7-11 years; 24% overweight/obese; 61% non-white) completed four experimental conditions in random order: 8 hours of sitting interrupted with 20, 2-minute low-, moderate-, or high-intensity activity breaks or 20, 2-minute sedentary computer-game breaks...
June 12, 2017: Pediatric Exercise Science
https://www.readbyqxmd.com/read/28594199/spillover-between-interparental-conflict-and-parent-child-conflict-within-and-across-days
#8
Rachel Baden Sherrill, John E Lochman, Jamie DeCoster, Sara L Stromeyer
The present study used a daily reporting design to examine the bidirectional spillover in conflict and conflict strategies between the interparental relationship and the parent-child relationship. Participants were 60 parents with a preadolescent child at risk for aggressive behavior. Parents reported on their experience of interparental and parent-child conflict and their use of constructive and destructive conflict strategies through daily telephone interviews over 7 days. Each day was divided into 3 equal time periods roughly corresponding to early morning, daytime, and evening...
June 8, 2017: Journal of Family Psychology: JFP
https://www.readbyqxmd.com/read/28589265/effects-of-ketamine-on-the-unconditioned-and-conditioned-locomotor-activity-of-preadolescent-and-adolescent-rats-impact-of-age-sex-and-drug-dose
#9
Sanders A McDougall, Andrea E Moran, Timothy J Baum, Matthew G Apodaca, Vanessa Real
RATIONALE: Ketamine is used by preadolescent and adolescent humans for licit and illicit purposes. OBJECTIVE: The goal of the present study was to determine the effects of acute and repeated ketamine treatment on the unconditioned behaviors and conditioned locomotor activity of preadolescent and adolescent rats. METHODS: To assess unconditioned behaviors, female and male rats were injected with ketamine (5-40 mg/kg), and distance traveled was measured on postnatal day (PD) 21-25 or PD 41-45...
June 7, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28589162/age-specific-prevalence-and-clinical-characteristics-of-humeral-medial-epicondyle-apophysitis-and-osteochondritis-dissecans-ultrasonographic-assessment-of-4249-players
#10
Kenichi Otoshi, Shinichi Kikuchi, Kinshi Kato, Ryohei Sato, Takahiro Igari, Takahiro Kaga, Shinichi Konno
BACKGROUND: Traction apophysitis of medial epicondyle (MEC) lesions and osteochondritis dissecans (OCD) of the capitellum are common elbow injuries in adolescent baseball players. However, the age-specific prevalence of these pathologies and their influence on elbow pain remain unknown. PURPOSE: To investigate the age-specific prevalence of each MEC lesion and capitellar OCD and to identify the incidence of elbow pain in each condition. STUDY DESIGN: Descriptive epidemiology study...
May 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28588517/sleep-affect-and-social-competence-from-preschool-to-preadolescence-distinct-pathways-to-emotional-and-social-adjustment-for-boys-and-for-girls
#11
Joan E Foley, Marsha Weinraub
Using a normative sample of 1,057 children studied across 4 waves over 6 years with multiple informants, we investigated transactional relations for sleep problems, anxious-depressed symptoms, and social functioning from preschool to preadolescence, assessing cumulative effects on children's emotional and social adjustment. To examine sex differences in the developmental processes, we conducted separate analyses for boys and girls. For both boys and girls, longitudinal cross-lagged panel analyses showed that preschool sleep problems directly predicted anxious-depressed symptoms 2 years later; indirect effects continued into preadolescence...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28581651/configurations-of-adolescents-peer-experiences-associations-with-parent-child-relationship-quality-and-parental-problem-behavior
#12
Tina Kretschmer, Miranda Sentse, Wim Meeus, Frank C Verhulst, René Veenstra, Albertine J Oldehinkel
Adolescents' peer experiences embrace behavior, relationship quality, status, and victimization, but studies that account for multiple dimensions are rare. Using latent profile modeling and measures of peer behavior, relationship quality, peer status, and victimization assessed from 1,677 adolescents, four profiles were identified: High Quality, Low Quality, Low Quality Victimized, and Deviant Peers. Multinomial logistic regressions showed that negative parent-child relationships in preadolescence reduced the likelihood of High Quality peer relations in mid-adolescence but only partly differentiated between the other three profiles...
September 2016: Journal of Research on Adolescence: the Official Journal of the Society for Research on Adolescence
https://www.readbyqxmd.com/read/28561889/innervation-of-the-medial-prefrontal-cortex-by-tyrosine-hydroxylase-immunoreactive-fibers-during-adolescence-in-male-and-female-rats
#13
Jari Willing, Laura R Cortes, Joseph M Brodsky, Taehyeon Kim, Janice M Juraska
Adolescence is associated with continued maturation of the cerebral cortex, particularly the medial prefrontal cortex (mPFC). We have previously documented pruning in the number of neurons, dendrites, and synapses in the rat mPFC from preadolescence to adulthood, with the period of pubertal onset being particularly important. We hypothesized that dopaminergic innervation of this region, critical for executive functions, would also be influenced by pubertal onset. Here, we measured changes in the volume of tyrosine hydroxylase (TH) immunoreactive axons in all layers of the male and female mPFC from preadolescence to adulthood (postnatal Day (P) 25, 35, 45, 60, and 90) as a marker of dopaminergic innervation...
May 31, 2017: Developmental Psychobiology
https://www.readbyqxmd.com/read/28551198/change-in-depression-across-adolescence-the-role-of-early-anger-socialization-and-child-anger
#14
Colleen R O'Neal, Lynsey C Weston, Xin He, Keng-Yen Huang, Daniel S Pine, Dimitra Kamboukos, Laurie Miller Brotman
The purpose of this longitudinal study was to examine the relations of early socialization of anger with change in adolescent depression, and moderation by child anger. Using a sample of low-income, ethnic minority children at familial risk for psychopathology in the United States (n = 92; ages 3-5; 53% female; 65% African American; 27% Latina/o), early anger socialization (i.e., parent response to child anger) was tested as a predictor of change in depression from preadolescence to adolescence [i.e., age 8 (n = 63), 11 (n = 58), and 13 (n = 44)]...
May 23, 2017: Journal of Adolescence
https://www.readbyqxmd.com/read/28546138/mental-health-mobile-apps-for-preadolescents-and-adolescents-a-systematic-review
#15
REVIEW
Rebecca Grist, Joanna Porter, Paul Stallard
BACKGROUND: There are an increasing number of mobile apps available for adolescents with mental health problems and an increasing interest in assimilating mobile health (mHealth) into mental health services. Despite the growing number of apps available, the evidence base for their efficacy is unclear. OBJECTIVE: This review aimed to systematically appraise the available research evidence on the efficacy and acceptability of mobile apps for mental health in children and adolescents younger than 18 years...
May 25, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28538707/self-esteem-and-academic-difficulties-in-preadolescents-and-adolescents-healed-from-paediatric-leukaemia
#16
Marta Tremolada, Livia Taverna, Sabrina Bonichini, Giuseppe Basso, Marta Pillon
Adolescents with cancer may demonstrate problems in their self-esteem and schooling. This study aims to screen the preadolescents and adolescents more at risk in their self-esteem perception and schooling difficulties post-five years from the end of therapy. Twenty-five paediatric ex-patients healed from leukaemia were recruited at the Haematology-Oncologic Clinic (University of Padua). The mean age of the children was 13.64 years (Standard Deviation (SD)) = 3.08, range = 10-19 years), most were treated for acute lymphoblastic leukaemia (ALL) (84%) and relatively equally distributed by gender...
May 24, 2017: Cancers
https://www.readbyqxmd.com/read/28535707/macular-pigment-optical-density-is-positively-associated-with-academic-performance-among-preadolescent-children
#17
Sasha M Barnett, Naiman A Khan, Anne M Walk, Lauren B Raine, Christopher Moulton, Neal J Cohen, Arthur F Kramer, Billy R Hammond, Lisa Renzi-Hammond, Charles H Hillman
OBJECTIVE: Macular pigment optical density (MPOD) - a non-invasive indicator of retinal xanthophylls and correlate of brain lutein - has been associated with superior cognitive function among adult populations. Given that lutein accumulation in the brain occurs in early life, it is possible that the cognitive implications of greater MPOD may be evident in childhood. METHODS: Participants aged 8-9 years (n = 56) completed MPOD measurements via heterochromatic flicker photometry...
May 23, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28528704/from-neuro-pigments-to-neural-efficiency-the-relationship-between-retinal-carotenoids-and-behavioral-and-neuroelectric-indices-of-cognitive-control-in-childhood
#18
Anne M Walk, Naiman A Khan, Sasha M Barnett, Lauren B Raine, Arthur F Kramer, Neal J Cohen, Christopher J Moulton, Lisa M Renzi-Hammond, Billy R Hammond, Charles H Hillman
Lutein and zeaxanthin are plant pigments known to preferentially accumulate in neural tissue. Macular Pigment Optical Density (MPOD), a non-invasive measure of retinal carotenoids and surrogate measure of brain carotenoid concentration, has been associated with disease prevention and cognitive health. Superior MPOD status in later adulthood has been shown to provide neuroprotective effects on cognition. Given that childhood signifies a critical period for carotenoid accumulation in brain, it is likely that the beneficial impact would be evident during development, though this relationship has not been directly investigated...
May 19, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28525437/feasibility-and-parental-acceptability-of-an-8-week-slow-speed-high-intensity-community-based-resistance-training-program-for-preadolescent-children
#19
Sarah L Mullane, Vincent B Bocchicchio, Noe C Crespo
High-intensity resistance training (RT) shows promise for improved cardiometabolic health in children. Achieving high-intensity RT safely is a challenge for community-based programs because of parental concerns and group engagement. Twenty preadolescent children completed an 8-week, twice per week program using slow speed to achieve high-intensity RT. Parent and child surveys were conducted to measure acceptability and effectiveness. Child fitness levels were assessed, and fasting blood draws and dual-energy x-ray absorptiometry were performed on a subset population...
July 2017: Family & Community Health
https://www.readbyqxmd.com/read/28495039/emotional-symptoms-and-dietary-patterns-in-early-adolescence-a-school-based-follow-up-study
#20
Estefania Aparicio, Josefa Canals, Núria Voltas, Anna Valenzano, Victoria Arija
OBJECTIVE: To examine the relationship between early emotional symptoms and dietary patterns over 3 years in a school-based sample. DESIGN: Three-year longitudinal prospective study. SETTING: Thirteen schools in Reus, Spain. PARTICIPANTS: From a sample of 562 preadolescents with and without emotional symptoms, 165 were observed and were classified as either showing (n = 100) or not showing emotional symptoms (n = 65)...
May 2017: Journal of Nutrition Education and Behavior
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