Unique Pain Responses in Different Etiological Subgroups of Intellectual and Developmental Disabilities

Ruth Defrin, Tali Benromano, Chaim G. Pick

Research output: Contribution to journalArticlepeer-review

Abstract

We studied whether there exist variations in pain responses between different intellectual and developmental disability (IDD) etiologies. Self-reports and facial expressions (Facial Action Coding System = FACS) were recorded during experimental pressure stimuli and compared among 31 individuals with IDD-13 with cerebral palsy (CP), nine with Down syndrome (DS), nine with unspecified origin (UIDD)-and among 15 typically developing controls (TDCs). The CP and DS groups had higher pain ratings and FACS scores compared to the UIDD and TDC groups, and steeper stimulus-response functions. The DS group exhibited the most diverse facial expressions. There were variations in the foci of facial expressions between groups. It appears that different IDD etiologies display distinct pain responses.

Original languageEnglish
Pages (from-to)417-430
Number of pages14
JournalAmerican Journal on Intellectual and Developmental Disabilities
Volume127
Issue number5
DOIs
StatePublished - 1 Sep 2022

Keywords

  • IDD etiology
  • experimental pain
  • facial action
  • intellectual disability
  • pain measurement
  • self-report

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