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[Ante and perinatal factors and behavior and functional disorders in 6-to-9-year-old children]
M Hadders-Algra1, H J Huisjes, B C Touwen
1Instituut voor Ontwikkelingsneurologie, Academisch Ziekenhuis Groningen.
Insights
This study followed children from the Groningen Perinatal Project. It found distinct risk factors for neurological handicap and minor neurological dysfunction (MND), with later factors influencing learning and behavior.
Area of Science:
- Developmental neuroscience
- Pediatric neurology
- Perinatal research
Background:
- The Groningen Perinatal Project cohort provided a unique opportunity to study long-term neurodevelopmental outcomes.
- Understanding the etiology of neurological dysfunction and its impact on development is crucial for early intervention.
Purpose of the Study:
- To investigate the distinct risk factors associated with neurological handicap and minor neurological dysfunction (MND) at later childhood ages.
- To explore the relationship between perinatal factors, neurological status, and subsequent behavioral and cognitive development.
- To identify different subtypes of MND and their specific etiological pathways.
Main Methods:
- Follow-up assessments at six and/or nine years of age on a subpopulation of the Groningen Perinatal Project cohort.
- Analysis of neurological handicap and minor neurological dysfunction (MND) in relation to various risk factors.
- Distinguishing between different types of MND at nine years of age and their correlations.
Main Results:
- Neurological handicap and minor neurological dysfunction (MND) were linked to different sets of risk factors, suggesting temporal variations in harmful influences.
- At nine years, two distinct types of MND were identified, each with specific associations to perinatal risks, cognitive, and behavioral development.
- Social factors, sex, and the child's current neurological state were more influential than perinatal events for learning and behavioral issues.
Conclusions:
- The etiology of learning and behavioral problems is complex, with significant contributions from social and individual child factors beyond perinatal events.
- Temporal differences in risk factors contribute to the development of neurological dysfunction and its varied outcomes.
- Identifying distinct MND subtypes aids in understanding specific developmental trajectories and informing targeted interventions.
Abstract:
A follow-up study at six and/or nine years of age was carried out on subpopulations of the three years cohort of the Groningen Perinatal Project. Neurological handicap and minor neurological dysfunction (MND) were associated with different sets of risk factors. The findings suggest a temporal difference in potentially harmful factors. At nine years of age two different kinds of MND could be distinguished, each of them related in a specific way to perinatal risk factors and behavioural and cognitive development. The finding that social factors, sex and present neurological condition of the child appeared to be more important than pre- and perinatal events for the development of learning and behavioural problems illustrates the complex aetiology of the latter.