Family history could affect development of siblings of children with autism, study finds
Researchers found that the younger siblings showed more severe difficulties in social communication, a common symptom of the neurodevelopmental disorder autism.
ANI
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Information about family history could guide parents and pediatricians in monitoring and supporting infants with risk of autism. PHOTO: ANI
NEWDELHI, 20 JUNE
Younger siblings of children with
autism could experience more developmental difficulties. Family history could
affect development of siblings of children with autism, study finds. Researchers
found that the younger siblings showed more severe difficulties in social
communication, a common symptom of the neurodevelopmental disorder autism.
Other symptoms could include repetitive behaviours and a heightened sensitivity
of senses.
"Knowledge about family
history of these disorders may improve efforts to predict long-term outcomes in
younger siblings of children with autism and inform about factors contributing
to varied observable traits and behaviours among them" said senior author
Katarzyna Chawarska, a professor of child psychiatry at Yale School of
Medicine, USA.
Information about family history
could also guide parents and pediatricians in monitoring and supporting the
development of infants with risk factors for disorders such as autism, according
to Chawarska. Family history could affect development of siblings of children
with autism, study finds. The findings are published in the journal Autism
Research. For the study, the researchers included 229 children having at least
one elder sibling with autism and assessed their social, cognitive, language
and adaptive skills.
The children had an average age of about two
years and were enrolled between March 2006 and May 2022. Parents of the 229
children were interviewed for knowing about family history. They were asked if
relatives of their children, including grandparents and cousins, were affected
by neurodevelopmental conditions such as delayed speech requiring therapy or
intellectual disability, or by psychiatric ones such as anxiety, depression,
bipolar disorder or schizophrenia.
Using statistical methods of analysis, the
researchers found an increased presence of both kinds of disorders in the
immediate and extended family members of the children with autism. "Among
neurodevelopmental disorders, the most frequently reported condition was speech
delay requiring therapy (64 per cent), followed by attention deficit
hyperactivity disorder (41 per cent) and intellectual disability (11 per
cent)," the authors wrote.
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