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Published on: May 15, 2019
Infant attentional behaviours as prognostic indicators in Cornelia-de-Lange syndrome
1University of Special Education, Heidelberg, Germany. sarimski@ph-heidelberg.de
Insights
Early social relatedness in Cornelia de Lange syndrome (CdLS) shows stability. Low eye-contact frequency in infancy may indicate risk, suggesting early intervention is crucial for children with CdLS.
Area of Science:
- Developmental Pediatrics
- Behavioral Phenotyping
- Rare Genetic Disorders
Background:
- Cornelia de Lange syndrome (CdLS) is a rare congenital disorder.
- A key feature of its behavioral phenotype is poor social relatedness.
Purpose of the Study:
- To investigate the developmental trajectory of social relatedness in infants with CdLS.
- To identify early behavioral markers associated with later social interaction patterns.
Main Methods:
- Longitudinal video observations of seven children with CdLS were conducted.
- Data analysis focused on the distribution of object-related and social attention.
- The study examined the relationship between early (infancy) and later (2-4 years) observations.
Main Results:
- Findings indicate a degree of inter-individual stability in social relatedness over time.
- Early patterns of social attention appear to predict later social engagement.
Conclusions:
- Reduced frequency of eye-contact during early infancy may be a risk factor for social interaction challenges in CdLS.
- Intensive early interaction and stimulation programs are recommended for infants diagnosed with CdLS.
Background:
Cornelia-de-Lange syndrome is a rare congenital syndrome with poor social relatedness as one of several characteristics of its behavioural phenotype.
Methods:
Video observations were collected from seven children in their first year of life and again with age 2-4 years. Data were analysed for distribution of object-related and social attention and for relationships between early and later observations.
Results:
The findings suggest some inter-individual stability for social relatedness.
Conclusions:
Low frequency of eye-contact in early interaction may serve as a risk factor. Intensive early interaction is recommended in early stimulation programmes.

