Abstract:
:The present longitudinal study examined relations between respiratory sinus arrhythmia (RSA) development and social responsiveness characteristics associated with autism spectrum disorders. Group-based developmental trajectory modeling was used to characterize RSA development patterns in 106 typically developing children across 5, 10, 24, 36, and 48 months of age. A two-group model fit of RSA development was found: a "typically" and "atypically" developing group. The typical group gradually increased in RSA across 5-48 months of age. The atypical group, however, increased in RSA from 5 to 24 months and demonstrated a plateau or "delay" in RSA development from 24 to 48 months. The atypical RSA development group also demonstrated more difficulties in parent-reported social responsiveness at 48 months. The results support current literature that identifies RSA as a marker of social functioning level.
journal_name
Dev Psychobioljournal_title
Developmental psychobiologyauthors
Patriquin MA,Lorenzi J,Scarpa A,Bell MAdoi
10.1002/dev.21100subject
Has Abstractpub_date
2014-04-01 00:00:00pages
317-26issue
3eissn
0012-1630issn
1098-2302journal_volume
56pub_type
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