Preverbal skills in 8-month-old children with sex chromosome trisomies

Individuals with sex chromosome trisomies (SCTs) have an increased risk of language delays and impairments. However, there are only a few data relative to their language development in early childhood. The present study aimed to investigate the preverbal skills shown by a group of 8-month-old childr...

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Bibliographic Details
Published in:First language 2021-04, Vol.41 (2), p.200-217
Main Authors: Zampini, Laura, Burla, Tiziana, Silibello, Gaia, Capelli, Elena, Dall’Ara, Francesca, Rigamonti, Claudia, Ajmone, Paola Francesca, Monti, Federico, Zanchi, Paola, Lalatta, Faustina, Costantino, Maria Antonella, Vizziello, Paola Giovanna
Format: Article
Language:English
Subjects:
At Risk Persons
Child Development
Child Language
Communication
Comparative Analysis
Comprehension
Delayed language acquisition
Delayed Speech
Eye Movements
Foreign Countries
Genetic Disorders
Identification
Infant vocalization
Infants
Intervention
Language Acquisition
Language Impairments
Longitudinal Studies
Measures (Individuals)
Medical personnel
Oral Language
Parent Attitudes
Parent Child Relationship
Parent-child relations
Sex chromosomes
Toddlers
Vocabulary Development
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Summary:Individuals with sex chromosome trisomies (SCTs) have an increased risk of language delays and impairments. However, there are only a few data relative to their language development in early childhood. The present study aimed to investigate the preverbal skills shown by a group of 8-month-old children with SCTs to assess the presence of a possible early communicative delay. Moreover, the predictive role of early preverbal productions on later lexical development at 24 months was analysed. Twenty-six children with SCTs and 24 typically developing (TD) children participated in the study. Their use of vocal productions and gazes addressed to the communicative partner was assessed during a parent–child observation session held when the children were 8 months old. In addition, the children’s word comprehension at 8 months and their word production at 24 months were indirectly assessed by a parental report. Children’s word comprehension was similar in the two groups of children, whereas a significantly lower frequency per minute of gazes was found in children with SCTs than in TD children. A significantly lower proportion of children with SCTs showed the ability to produce babbling during the observation session, and significant differences were also found in the frequency of babbling utterances. No significant differences emerged among the subgroups of children with different types of SCTs. The predictive role of babbling on later lexical size was found in TD children but not in children with SCTs. This result could be probably explained by the small number of children in this group who could produce babbling utterances. The study leads to identify early signals of delay in the preverbal skills of children with SCTs. Early monitoring of their communicative development could help the clinicians in intervening with well-timed and targeted programmes.
ISSN:0142-7237
1740-2344
DOI:10.1177/0142723720962944