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The impact of sex chromosome trisomies (XXX, XXY, XYY) on gaze towards faces and afect recognition: a cross-sectional eye tracking study
Background: About 1:650–1000 children are born with an extra X or Y chromosome (47,XXX; 47,XXY; 47,XYY), which results in a sex chromosome trisomy (SCT). This international cross-sectional study was designed to investigate gaze towards faces and afect recognition during early life of children with SCT, with the aim to fnd indicators for support and treatment.
Methods: A group of 101 children with SCT (aged 1–7 years old; Mage= 3.7 years) was included in this study, as well as a population-based sample of 98 children without SCT (Mage= 3.7). Eye gaze patterns to faces were measured using an eye tracking method that quantifes frst fxations and fxation durations on eyes of static faces and fxation durations on eyes and faces in a dynamic paradigm (with two conditions: single face and multiple faces). Affect recognition was measured using the subtest Affect Recognition of the NEPSY-II neuropsychological test battery. Recruitment and assessment took place in the Netherlands...
Show moreBackground: About 1:650–1000 children are born with an extra X or Y chromosome (47,XXX; 47,XXY; 47,XYY), which results in a sex chromosome trisomy (SCT). This international cross-sectional study was designed to investigate gaze towards faces and afect recognition during early life of children with SCT, with the aim to fnd indicators for support and treatment.
Methods: A group of 101 children with SCT (aged 1–7 years old; Mage= 3.7 years) was included in this study, as well as a population-based sample of 98 children without SCT (Mage= 3.7). Eye gaze patterns to faces were measured using an eye tracking method that quantifes frst fxations and fxation durations on eyes of static faces and fxation durations on eyes and faces in a dynamic paradigm (with two conditions: single face and multiple faces). Affect recognition was measured using the subtest Affect Recognition of the NEPSY-II neuropsychological test battery. Recruitment and assessment took place in the Netherlands and the USA.
Results: Eye tracking results reveal that children with SCT show lower proportion fxation duration on faces already from the age of 3 years, compared to children without SCT. Also, impairments in the clinical range for afect recognition were found (32.2% of the SCT group scored in the well below average range).
Conclusions: These results highlight the importance to further explore the development of social cognitive skills of children with SCT in a longitudinal design, the monitoring of afect recognition skills, and the implementation of (preventive) interventions aiming to support the development of attention to social important information and afect recognition.
- All authors
- Bouw J.C.; Swaab J.T.; Tartaglia, N.; Cordeiro, L.; Rijn S. van
- Date
- 2022-08-02
- Volume
- 14
- Issue
- 1
- Pages
- 1 - 16