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Ungeduldige Winzlinge und ihre Entwicklung : was schützt Frühgeborene vor Entwicklungsstörungen
(1997)
Die Entwicklung von Kindern, die in ihrer frühen Kindheit erhöhten Belastungen ausgesetzt waren, zeichnet sich durch eine grosse Variabilität aus. Welche Kinder besonders gefährdet sind und welchen es gelingt, Entwicklungsrisiken zu überwinden, wird anhand von Daten der Mannheimer Risikokinderstudie aufgezeigt. Dabei handelt es sich um eine prospektive Längsschnittstudie an einer Kohorte von 362 Kindern, die in ihrer Entwicklung von der Geburt bis ins Schulalter begleitet werden. Die Ergebnisse bis zum Alter von acht Jahren machen deutlich, dass die Entwicklungsprognose von sehr kleinen Frühgeborenen und von Kindern postnatal depressiver Mütter davon abhängt, wie die frühe Beziehung zwischen Mutter und Risikokind gelingt. Sie unterstreichen damit die besondere Bedeutung der frühen Mutter-Kind-Interaktion in der Entwicklung von Risikokindern.
Entwicklung von Risikokindern im Schulalter : die langfristigen Folgen frühkindlicher Belastungen
(2000)
Theoretischer Hintergrund: Zur Erforschung der Entwicklungsepidemiologie psychischer Störungen gilt die prospektive Untersuchung von Risikogruppen als Königsweg. Fragestellung: Beschreibung der Entwicklungsmuster von Kindern mit frühen Belastungen, Ermittlung von Risiko- und Schutzfaktoren für unterschiedliche Entwicklungsresultate und Identifikation von Mechanismen, die differentiellen Verläufen zugrunde liegen. Methode: In einer prospektiven Längsschnittstudie (mit Erhebungswellen im Alter von 0;3, 2, 4 , 8 und 11 Jahren) wurden die Entstehung und der Verlauf von Entwicklungs- und Verhaltensstörungen bei 384 Kindern untersucht. Organische (prä- und perinatale Komplikationen) und psychosoziale Risiken (familiäre Belastungen) wurden in einem zwei- faktoriellen Design variiert. Ergebnisse: Die negativen Folgen früher Risiken waren bis zum Schulalter nachweisbar. Während organische Risiken vor allem die motorische und kognitive Entwicklung beeinträchtigten, konzentrierten sich die Auswirkungen psychosozialer Belastungen auf kognitive und sozial-emotionale Funktionen. Beide Risiken addierten sich in ihren negativen Konsequenzen. Schlussfolgerungen: Frühkindliche Risiken haben spezifische und langfristige Auswirkungen. Kinder mit multiplen Risikobelastungen sind in ihrer Entwicklung am stärksten gefährdet.
The psycho-social development of both preterm and term children (n=347) whose mothers reported tocolytic treatment was assessed at the ages of 2, 4.5, 8 years. Term children exposed to tocolysis showed a higher rate of psychiatric disorders as well as poorer cognitive and motor performance than controls. In the preterm children no adverse impact of tocolysis could be found. The results are discussed concerning possible ways in which tocolytic treatment may influence child development. Restrictions because of the preliminary character of this study and the need of further prospective studies to clarify the developmental impact of tocolysis are also considered.
The ralationship between early mother-infant interaction at 3 mo old, biological and psychosocial risks, and later social withdrawal was examined using a hierarchical logistics regression approach. A group of childeren (N=20; aged 4.5-8 yrs old) who were stabily socially withdrawn and a control group of healthy children (N=143) were formed. Variables were entered into the regression models in the follwing order: At first, biological and psychosocial risks and sex, followed by mother and child variables separately, while in a final regression model all of the variables were entered at once. The results show that child behaviors (smilling and gazing) as well as maternal behaviors (facial and motor responsiveness) significantly predict social withdrawal in middle childhood. Among the risks only biolgical risks significantly contribute to later child outcome. These results suggest that a dysfunctional interaction pattern between mother and infant may be a precursor of childhood social withdrawal.
Frühkindliche Regulationsstörungen: Vorläufer von Verhaltensstörungen des späteren Kindesalters?
(2003)
Background: Several studies have reported higher smoking rates among adolescents with externalizing disorders (attention-deficit hyperactivity disorder and conduct disorder) as compared to healthy controls. Objective: To follow the association between childhood externalizing disorders and smoking during development, to determine the type of problems most strongly related to later tobacco use, and to control for the influence of covarying factors. Methods: Participants were from a longitudinal study of a birth cohort of 384 children born with different perinatal and psychosocial risks. Standardized assessments of behavioral disorders between 2 and 11 years and of tobacco use at age 15 were obtained. Results: 15-year-olds with externalizing disorders between 2 and 11 years reported higher tobacco use than those without a history of disorder. This association could be followed back into early childhood and held up even after controlling for covariates. Conclusions: The findings suggest that childhood externalizing disorders may represent an independent risk factor for elevated tobacco use in adolescence
Lower P300 amplitude in eight-year-old offspring of alcoholic fathers with a delinquent history
(2006)
The aim of the present study was to investigate the P300 amplitude as a possible vulnerability marker in children of alcoholic (COA) fathers with and without paternal delinquency. Event-related potentials (ERPs) of 122 children aged 8 years (63 boys, 59 girls) were compared depending on father's alcoholism subtype: 30 COAs without paternal delinquency, 10 COAs with paternal delinquency, and 82 children of non-alcoholic and non-delinquent fathers. ERPs were recorded from Fz, Cz, and Pz, using an auditory oddball paradigm. Sinus tones of 60 dB HL were presented binaurally at 1,000 Hz (standard stimulus) and 2,000 Hz (target stimulus), at a relative frequency ratio of 80:20. Two trial blocks of 250 stimuli each were collected. Results indicated that only COAs with paternal delinquency displayed significant differences from the control group, characterized by reduced P300 amplitude at frontal site and in the second trial block. Thus, the combination of fathers' alcoholism and delinquency was more likely to relate to attenuated P300 amplitude in the offspring than paternal alcoholism alone. Our results suggest that both alcoholic and delinquent family history appear to play a role in P300 amplitude reduction in the offspring.
The present study aimed to examine the extent to which the co-occurrence of ADHD and smoking in adolescents could be attributed to common genetic, environmental and psychopathological factors. Data are from an ongoing prospective study of the outcome of early risk factors. At age 15 years, 305 adolescents completed self-report questionnaires measuring tobacco consumption and deviant peer affiliations. Lifetime psychiatric diagnoses were obtained using standardized interviews. DNA was genotyped for the dopamine D4 receptor (DRD4) gene exon III polymorphism. Adolescents with a lifetime diagnosis of ADHD displayed significantly higher smoking activity than non-ADHD controls. A major component of this association could be accounted for by deviant peer affiliations and the comorbidity with oppositional-defiant and conduct disorder, while a minor part was attributable to DRD4 in males but not in females. These findings suggest that the association of ADHD with smoking relies on risk factors shared by the two behaviors.
Objective: Despite theoretical discrepancies between different concepts of temperament, some core dimensions are thought to be common to the various models. We compared temperamental traits derived from the New York Longitudinal Study (NYLS) model and the Cloninger dimensions in the developmental course and investigated the associations of temperament with sex as well as with obstetric risks or psychosocial risks present at birth. - Methods: Participants were 151 boys and 157 girls born at differing degrees of obstetric and psychosocial risk from a longitudinal study on a high-risk community sample. In infancy and childhood, NYLS-derived temperamental characteristics were assessed by a highly structured parent interview and standardized behavioral observations. At age 15 years, the Junior Temperament and Character Inventory/1218 was administered. - Results: Moderate correlations were found between Junior Temperament and Character Inventory scales in adolescence and NYLS-derived factors in childhood. The psychosocial risk load seemed to influence the expression of novelty seeking or corresponding NYLS-derived factors, whereas the obstetric risks did not contribute to variation in temperament. Our findings further support highly sex-specific gene x environment interactions on temperament in the developmental course. - Conclusion: The content of our NYLS-derived factors and the specific type of association across different temperament constructs fit into the increasing consensus regarding a small number of higher-order temperamental traits. (c) 2007 Elsevier Inc. All rights reserved.
Objectives: The prospective longitudinal Mannheim Study of Children at Risk followed the development of children from the age of 2 years up to the age of 8 years. Are there differences between the developmental risk load in toddlers (psychopathology, cognition, motor or neurological development. and educational differences) who suffer from a hyperactive disorder at age 8 and that of undisturbed children of the same age? Are there specific harbingers of hyperkinetic disorders for the group concerned? Methods: In terms of their developmental risk load at the age of 2 years, 26 primary school children with hyperkinetic disorders were compared to 241 healthy primary school children, as well as to 25 children of the same age with emotional disturbances and 30 children of the same age with socially disruptive behavior. Results: A significant combination of predictors of later hyperkinetic disorders at primary school age proved to be increased fidgetiness and irritability, as well as a reduced language comprehension, at the age of two. Conclusions: The predictive value of symptoms in early childhood for later hyperkinetic disorder in children of primaryschool age is higher than that of symptoms assessed in infancy, which although expected is without relevant specificity.
Objectives: Are there any differences (organic, psychosocial, psychopathological, cognitive or educational, respectively differences in the motor or neurological development) between infants who later on at the age of 8 years suffer from a hyperactive disorder and those who later on at the same age are undisturbed? Are there specific harbingers for hyperactive disorders in the group concerned? Methods: With regard to their developmental risk load at the age of 3 months, 26 primary school children with hyperactive disorders were compared with 241 healthy children, 25 children with emotional disturbances, and 30 children with socially disruptive behaviour, all of the same age. Results: Identified as the most important predictors for the onset of hyperactive disorders were a reduced birth weight, the mother's origin from a shattered family, early contact impairments on the part of the child, and the mother's neglect of the infant. Conclusions: Altogether, however, the prediction of later hyperactivity in primary school children on the basis of salient features in the infant children remains unsatisfactory and unspecific.
Aims: To investigate whether concurrent alcohol and tobacco use during early adolescence characterizes a subgroup that differs from users of one substance only regarding several risk factors for later substance use problems. Methods: Participants were from a prospective longitudinal cohort study of 384 children at risk for later psychopathology, with the majority being born with obstetric complications and psychosocial adversities. Assessments of adolescent drug consumption and related intrapersonal characteristics were obtained at age 15. Results: Compared to consumers of alcohol only, 15-year-olds drinking and smoking during the same time period (past 4 weeks) had significantly higher levels of consumption and more excessive use of alcohol, started drinking at an earlier age, had higher scores on the Fagerstrom Test for Nicotine Dependence, and more cannabis use. This group could be distinguished from users of alcohol only by higher novelty seeking and more positive alcohol effect expectancies. Compared to consumers of tobacco only, concurrent users reported higher nicotine dependence and more cannabis use. No significant differences were observed regarding frequency and age at initiation of tobacco use, tobacco-related sensitivity, self- efficacy and instrumentality as well as novelty seeking. Conclusions: Concurrent alcohol and tobacco use during early adolescence is associated with characteristics that are well known as risk factors for later alcohol use problems and dependence and that should be targeted by prevention programs.
Epidemiological studies have reported elevated rates of legal drug consumption among adolescents in Germany. The aim of this study was to ascertain patterns and parameters of smoking and drinking in early-users as well as to examine possible determinants of risky patterns of use. Participants were from a longitudinal study of a birth cohort of 384 children at risk. Assessments of adolescent drug consumption as well as of individual and social determinants were obtained at age 15. Adolescents drinking and smoking during the same period (past four weeks) were characterized by more excessive and impulsive consumption and by higher rates of cannabis use. No specific determinants of concurrent use could be found. These findings suggest that adolescents displaying early concurrent tobacco and alcohol use may be at higher risk for substance use problems and should be targeted by prevention programs.