Assessment and prevention of head motion during imaging of patients with attention deficit hyperactivity disorder

Jeffery N. Epstein, B. J. Casey, Simon T. Tonev, Matthew Davidson, Allan L. Reiss, Amy Garrett, Stephen P. Hinshaw, Laurence L. Greenhill, Alan Vitolo, Lisa A. Kotler, Matthew A. Jarrett, Julie Spicer

Research output: Contribution to journalArticlepeer-review

69 Scopus citations


The present study serves to detail the specific procedures for a mock scanner protocol, report on its use in the context of a multi-site study, and make suggestions for improving such protocols based on data acquired during study scanning. Specifically, a mock scanner compliance training protocol was used in a functional imaging study with a group of adolescents and adults with Attention Deficit Hyperactivity Disorder (ADHD) and a matched sample of healthy children and adults. Head motion was measured during mock and actual scanning. Participants across groups exhibited excess motion (> 2 mm) on 43% of runs during the mock scanner. During actual scanning, excessive motion was limited to 10% of runs. There was a clear task-correlated head motion during a go/no-go task that occurred even after the compliance training: participants had a tendency to respond with increased head motion immediately after committing an error. This study illustrates the need to (1) report data attrition due to head motion, (2) assess task-related motion, and (3) consider mock scanner training in functional imaging protocols.

Original languageEnglish (US)
Pages (from-to)75-82
Number of pages8
JournalPsychiatry Research - Neuroimaging
Issue number1
StatePublished - May 15 2007
Externally publishedYes


  • ADHD
  • Mock scanner
  • Motion

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Radiology Nuclear Medicine and imaging
  • Neuroscience (miscellaneous)


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