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RESEARCH ARTICLES


Sydney Developmental Clinic Research Publications:

All our research articles are published in international, peer-reviewed journals with the highest "impact factor".

  1. Clarke, A., Barry, R., McCarthy, R. & Selikowitz, M. (1998). EEG analysis in attention-deficit/hyperactivity disorder: a comparative study of two subtypes. Psychiatry Research, 81, 19-29.
  2. Clarke, A., Barry, R., McCarthy, R. & Selikowitz, M. (2001). EEG Differences in two Subtypes of Attention-Deficit/Hyperactivity Disorder. Psychophysiology. 38, 212-221.
  3. Clarke, A., Barry, R., McCarthy, R. & Selikowitz, M. (2001). Age and Sex Effects in the EEG: Development of the Normal Child. Clinical Neurophysiology, 112, 806-814.
  4. Clarke, A., Barry, R., McCarthy, R. & Selikowitz, M. (2001). Age and Sex Effects in the EEG: Differences in Two Subtypes of Attention-Deficit/Hyperactivity Disorder. Clinical Neurophysiology, 112, 815-826.
  5. Clarke, A., Barry, R., McCarthy, R. & Selikowitz, M. (2001). Excess Beta in Children with Attention-Deficit/Hyperactivity Disorder: An Atypical Electrophysiological Group. Psychiatry Research, 103, 205-218.
  6. Clarke, A., Barry, R., McCarthy, R. & Selikowitz, M. (2001). EEG-Defined Subtypes of Children with Attention-Deficit/Hyperactivity Disorder. Clinical Neurophysiology. 112, 2098-2105.
  7. Clarke, A., Barry, R., McCarthy, R. & Selikowitz, M. (2002). EEG differences between good and poor responders to Methylphenidate and Dexamphetamine in children with Attention-Deficit/Hyperactivity Disorder. Clinical Neurophysiology. 113, 194-205.
  8. Barry, R., Clarke, A., McCarthy, R. & Selikowitz, M. (2002). EEG Coherence in Attention-Deficit/Hyperactivity Disorder: A Comparative Study of Two DSM-IV Types. Clinical Neurophysiology. 113, 579-585.
  9. Clarke, A., Barry, R., McCarthy, R. & Selikowitz, M. (2002). EEG Analysis of Children with Attention-Deficit/Hyperactivity Disorder and Comorbid Reading Disabilities. Journal Of Learning Disabilities. 35, 276-285.
  10. Clarke, A., Barry, R., McCarthy, R., Selikowitz M. & Brown, C. (2002). EEG Evidence for a New Conceptualisation of Attention Deficit Hyperactivity Disorder. Clinical Neurophysiology, 113, 1036-1044.
  11. Clarke, A., Barry, R., McCarthy, R., Selikowitz M. & Croft, R. (2002). EEG differences between good and poor responders to Methylphenidate in boys with the Inattentive type of ADHD. Clinical Neurophysiology. 113, 1191-1198.
  12. Clarke, A., Barry, R., McCarthy, R. & Selikowitz, M. (2002). Children with Attention-Deficit/Hyperactivity Disorder and Comorbid Oppositional Defiant Disorder: an EEG Analysis. Psychiatry Research. 111, 181-190.
  13. Clarke, A., Barry, R., Bond, D., McCarthy, R. & Selikowitz, M. (2002). Effects of Stimulant Medication on the EEG of Children with Attention-Deficit/Hyperactivity Disorder. Psychopharmacology. 164, 277-284.
  14. Clarke, A., Barry, R., McCarthy, R., Selikowitz, M., Brown, C. & Croft, R. (2003). Effects of Stimulant Medications on the EEG of Children with Attention-Deficit/Hyperactivity Disorder Predominantly Inattentive Type. International Journal of Psychophysiology. 47 (2), 129 – 137.
  15. Barry, R., Clarke, A. & Johnstone, S. (2003). A Review of Electrophysiology in Attention-deficit/Hyperactivity Disorder: I. Qualitative and Quantitative Electroencephalography. Clinical Neurophysiology. 114 , 171-183.
  16. Barry, R., Johnstone, S. & Clarke, A. (2003). A Review of Electrophysiology in Attention-deficit/Hyperactivity Disorder: II. Event-related potentials. Clinical Neurophysiology. 114 , 184-198.
  17. Clarke, A., Barry, R., McCarthy, R., Selikowitz, M., Clarke , D. & Croft, R. (2003). EEG in Girls with Attention-Deficit/Hyperactivity Disorder. Clinical Neurophysiology. 114:319-328.
  18. Clarke, A., Barry, R., McCarthy, R. & Selikowitz, M. (2003). Hyperkinetic Disorder in the ICD-10: EEG Evidence for a Definitional Widening? European Child & Adolescent Psychiatry. 12, 92-99.
  19. Clarke, A., Barry, R., McCarthy, R., Selikowitz, M., Clarke , D. & Croft, R. (2003). Effects of Stimulant Medications on Children with Attention-Deficit/Hyperactivity Disorder and Excessive Beta Activity in their EEG. Clinical Neurophysiology. 114, 1729-1737.
  20. Dimoska, A., Johnstone, S., Barry, R. & Clarke, A. (2003). Inhibitory Motor Control in Children with Attention-Deficit/Hyperactivity Disorder: Event-Related Potentials in the Stop-Signal Paradigm. Biological Psychiatry. 54(12), 1345-1354.
  21. Barry , R., Clarke, A., McCarthy, R., Selikowitz, M., Rushby, J. & Ploskova, E. (2004). EEG differences in children as a function of resting-state arousal level. Clinical Neurophysiology. 115, 402-408.
  22. Barry, R., Clarke, A., McCarthy, R., Selikowitz, M., Johnstone, S., Rushby, J. (2004). Age and Gender Effects in EEG Coherence: I. Developmental trends in normal children. Clinical Neurophysiology. 115, 2252-2258.
  23. Clarke, A. & Barry, R. (2004). EEG activity in subtypes of Attention-Deficit/Hyperactivity Disorder (invited review). Journal of Neurotherapy. 8,
  24. Barry, R., Clarke, A., McCarthy, R., Selikowitz, M. (2005). Adjusted EEG coherence for inter-electrode distance effects: An exploration in normal children. International journal of psychophysiology. 55, 313-321.
  25. Barry, R., Clarke, A., McCarthy, R., Selikowitz, M. , Johnstone, S., Hsu, C., Bond, D., Wallace, M. & Magee, C. (2005). Age and Gender Effects in EEG Coherence: II. Boys with Attention Deficit/Hyperactivity Disorder. Clinical Neurophysiology. 116, 977-984.
  26. Magee, C., Clarke, A., Barry, R., McCarthy, R., Selikowitz, M. (2005). Examining the Diagnostic Utility of EEG Power Measures in Children with Attention Deficit/Hyperactivity Disorder. Clinical Neurophysiology. 116, 1033-1040.

Published Abstracts:

  1. Clarke, A., Barry, R., McCarthy, R. & Selikowitz, M. (1997). Attention-deficit/hyperactivity disorder: Subtype or severity differences. Abstract; Psychophysiology, 34 (Supp), 27.
  2. Clarke, A., Barry, R., McCarthy, R. & Selikowitz, M. (1999). Age and Sex Effects in the EEG of Normal Children and Children with Attention-Deficit/Hyperactivity Disorder. Abstract; Psychophysiology, 36 (supp), S41.
  3. Clarke, A., Barry, R., McCarthy, R. & Selikowitz, M. (2000). Age and Sex Effects in the EEG of Attention-Deficit/Hyperactivity Disorder: Evidence for a two component model. Abstract; International Journal of Psychophysiology, 35, 23-24.
  4. Barry, R., Clarke, A. & Johnstone, S. (2002). EEG activity in attention-deficit/hyperactivity disorder. Abstract; International Journal of Psychophysiology, 45, 49-50.
  5. Barry, R., Clarke, A., McCarthy, R., Selikowitz, M., Bond, D., Brown, C. & Croft, R. (2002). EEG changes with stimulant medication in children with ADHD. Abstract; International Journal of Psychophysiology, 45, 50.
  6. Clarke, A., Barry, R., McCarthy, R. & Selikowitz, M. (2002). EEG-defined subtypes of AD/HD. Abstract; International Journal of Psychophysiology, 45, 50-51.
  7. Barry, R., Johnstone, S. & Clarke, A. (2002). ERP activity in attention-deficit/hyperactivity disorder. Abstract; International Journal of Psychophysiology, 45, 62.
  8. Clarke, A., Barry, R., McCarthy, R., Selikowitz, M., Clarke, D., Croft, R. & Johnstone, S. (2003). The Effects of Stimulant Medications on Children with ADHD and Excess Beta Activity in their EEG. Psychophysiology, 40 (supp 1), S33.
  9. Clarke, A.R., Barry, R.J., McCarthy, R., Selikowitz, M., Clarke, D.C. & Croft, R.J. (2003) The effects of stimulant medications on children with ADHD and excess beta activity in their EEG. Australian Journal of Psychology, 55 (Supplement), 14
  10. Barry , R.J., Clarke, A.R., McCarthy, R., & Selikowitz, M. (2003) An exploration of scaling of EEG coherence to remove inter-electrode distance effects. Australian Journal of Psychology, 55 (Supplement), 11.
  11. Brown, C.R., Clarke, A.R., Barry, R.J., McCarthy, R., Selikowitz, M & Johnstone, S.J. (2003). Attention deficit hyperactivity disorder and EEG-defined subtypes: A cross modal ERP study. Australian Journal of Psychology, 55 (Supplement), 12.
  12. Clarke, A., Barry, R., McCarthy, R., Selikowitz, M., Johnstone, S. & Croft, R (2004). Effects of Methylphenidate on EEG Coherence in Attention-Deficit/Hyperactivity Disorder . 13th Australian Journal of Psychology, 56 (supp 1), S40.
  13. Barry, R., Clarke, A., McCarthy, R., Selikowitz, M. & Rushby, J. (2004). Explorations of arousal and activation in normal children. . Australian Journal of Psychology, 56 (supp 1), S38.
  14. Broyd, S., Johnstone, S., Smith, J., Barry, R.& Clarke, A. (2004). Effects of stimulant medication on response inhibition and the event-related potential of children with AD/HD. Australian Journal of Psychology, 56 (supp 1), S39.
  15. Lawrence, C., Barry, R., Clarke, A., Johnstone, S. & McCarthy, R., Selikowitz, M. (2004). Psychophysiology of performance on a continuous performance task: Medication effects in children with Attention-Deficit/Hyperactivity Disorder. Australian Journal of Psychology, 56 (supp 1), S46.
  16. Barry , R.J., Clarke, A.R., McCarthy, R. & Selikowitz, M. (2004). Effects of methylphenidate on EEG coherence in Attention-Deficit/Hyperactivity Disorder. Australian Journal of Psychology, 56 (Supplement), 40.

Manuscripts in Press:

  1. Broyd, S., Johnstone, S., Barry, R., Clarke, A., McCarthy, R., Selikowitz, M. & Lawrence, C. (in press). The effect of methylphenidate on response inhibition and the event-related potential of children with Attention Deficit/ Hyperactivity Disorder. International Journal of Psychophysiology.
  2. Barry, R., Clarke, A., McCarthy, R., Selikowitz, M. , Johnstone, S. (in press). EEG coherence adjusted for inter-electrode distance in children with Attention-deficit/Hyperactivity Disorder. International Journal of Psychophysiology.
  3. Brown, C., Clarke, A., Barry, R., McCarthy, R., Selikowitz, M.& Magee, C. (in press). Event related potentials in attention-deficit/hyperactivity disorder of the predominantly-inattentive type: an investigation of EEG-defined subtypes. International Journal of Psychophysiology.
  4. Barry, R., Clarke, A., McCarthy, R., Selikowitz , M. & Rushby , J. (in press). Arousal and Activation in a Continuous Performance Task: An Exploration of State Effects in Normal Children. Journal of Psychophysiology
  5. Clarke, A., Barry, R., McCarthy, R., Selikowitz, M., Johnstone, S., Abbott, I., Magee, C., Hsu, C., Croft, R. & Lawrence, C. (In Press). Effects of Methylphenidate on EEG Coherence in Attention-Deficit/Hyperactivity Disorder. International Journal of Psychophysiology.

Submitted Manuscripts:

  1. Lawrence, C., Barry, R., Clarke, A., Johnstone, S., McCarthy, R., Selikowitz M. & Broyd, S. (Submitted). Electrodermal and ERP measures on a Continuous Performance Task: Methylphenidate effects in Attention-Deficit/Hyperactivity Disorder. Psychopharmacology.
  2. Bresnahan, S., Barry, R., Clarke, A. & Johnstone, S. Quantitative EEG Analysis in Dexamphetamine-Responsive Adults with Attention Deficit/Hyperactivity Disorder.
  3. Clarke, A., Barry, R., McCarthy, R., Selikowitz, M., Magee, C., Johnstone, S. & Croft, R. (Submitted). The EEG in low IQ children with Attention Deficit Hyperactivity Disorder. Clinical Neurophysiology.
  4. Clarke, A., Barry, R., McCarthy, R., Selikowitz, M., Johnstone, S., Hsu, C., Magee, C., Lawrence, C. & Croft, R. (Submitted). Coherence in children with Attention Deficit/Hyperactivity Disorder and excess beta activity in their EEG. Psychiatry Research.



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