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Perinatal risk factors and minor neurological dysfunction: significance for behaviour and school achievement at nine
M Hadders-Algra1, H J Huisjes, B C Touwen
1Department of Developmental Neurology, University Hospital, Groningen, The Netherlands.
Insights
Minor neurological dysfunction (MND) and social class significantly impact school success. MND and sex influence childhood behavior, with preterm birth directly affecting outcomes.
Area of Science:
- Developmental Pediatrics
- Neuroscience
- Child Psychology
Background:
- Neonatal neurological condition is a key factor in childhood development.
- Understanding developmental trajectories is crucial for early intervention.
- Minor neurological dysfunction (MND) can impact long-term outcomes.
Purpose of the Study:
- To investigate the relationship between neonatal neurological status and later behavioral and cognitive development.
- To identify risk factors for specific behavioral issues and scholastic difficulties.
- To compare developmental outcomes in neurologically deviant infants versus normal newborns.
Main Methods:
- Prospective study design.
- Inclusion of neurologically deviant and normal newborns (N=558).
- Assessment of neonatal neurological condition, minor neurological dysfunction (MND), and behavioral/cognitive development at various ages.
Main Results:
- Severity of MND and social class were major determinants of school failure.
- Male sex and MND classification were risk factors for distractable/clumsy behavior.
- Family adversity was linked to timid behavior; neonatal deviancy directly impacted behavior and scholastic abilities.
Conclusions:
- Neonatal neurological status, particularly definite deviancy and MND, significantly influences childhood behavior and learning.
- Mild abnormalities and adverse obstetrical events have indirect effects, with preterm birth being a direct risk factor.
- Discrepancies in behavioral perception between home and school environments warrant attention.
Abstract:
A prospective study was carried out on 133 neurologically deviant infants, 205 with mild abnormalities and 230 normal newborns to compare behavioural and cognitive development with neonatal and nine-year-old neurological condition. Overtly handicapped children were excluded. Major determinants of school failure were the severity of minor neurological dysfunction (MND) and social class. Main risk factors for distractable and clumsy behaviour were MND classification and male sex; for troublesome behaviour male sex and interval complications after two years of age; and for timid behaviour, family adversity. Definite neonatal neurological deviancy contributed both directly and by its association with MND to problems in behaviour and scholastic abilities. Mild neonatal neurological abnormalities and adverse obstetrical events contributed only indirectly to behavioural and learning problems. Preterm birth (less than 34 weeks) was the sole obstetric variable directly related to some of the outcome variables. The difference between home and school perception of the children's behaviour is emphasized.