Somatosensory function in boys with ADHD and tactile defensiveness

S. Parush*, H. Sohmer, A. Steinberg, M. Kaitz

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

91 Scopus citations

Abstract

In this study, we tested for deficits in somatosensory function in boys with Attention Deficit Hyperactivity Disorder (ADHD) and tactile defensiveness (TD). The subjects were 67 boys with ADHD, sub-typed as TD (ADHD+TD+) or non TD (ADHD+TD-), matched with 60 "typical" children in the control group. Sixty nine percent of the boys with ADHD were categorized as TD. The groups were compared on three measures: (a) performance scores on subtests of the Sensory Integration and Praxis Test, (b) measurements of the Somatosensory Evoked Potential (SEP) and (c) ratings of the children's affective responses during tactile stimulation. Both ADHD groups differed from the control group on most study measures. No significant differences were found between the two ADHD subgroups on threshold and perceptual tests scores, except for Finger Identification. However, the TD+ group demonstrated significantly higher central SEP amplitudes than did the TD- group. Together, the results support claims that TD is related to central processing of somatosensory information, but not to anomalous tactile perception, with the exception of Finger Identification.

Original languageEnglish
Pages (from-to)553-558
Number of pages6
JournalPhysiology and Behavior
Volume90
Issue number4
DOIs
StatePublished - 16 Mar 2007

Keywords

  • ADHD
  • Tactile
  • Tactile defensiveness
  • Touch

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