Effects of Methylphenidate Discontinuation on Cerebral Blood Flow in Prepubescent Boys with Attention Deficit Hyperactivity Disorder
Daniel D. Langleben, MD1,
Paul D. Acton, PhD2,
Glenn Austin, MD3,
Igor Elman, MD4,
Gary Krikorian, MA3,
John R. Monterosso, PhD1,
Orith Portnoy, MD5,
Hugh W. Ridlehuber, MD3 and
H. William Strauss, MD5
1 Department of Psychiatry, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania
2 Department of Radiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania
3 The Community/Academia Coalition, Mountain View, California
4 Department of Psychiatry, Massachusetts General Hospital, Boston, Massachusetts
5 Division of Nuclear Medicine, Stanford University School of Medicine, Palo Alto, California

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FIGURE 1. ADHD group subtraction image, on vs. off MPH. Superior and sagittal projections, over standard template, of statistical parametric (t) maps of distribution of differences between on-MPH and off-MPH conditions. Higher rCBF on MPH is seen in bilateral precentral gyri and ACC (Table 2) at t range of 3.46.0. P < 0.05, corrected for multiple comparisons. LT = left.
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Copyright © 2002 by the Society of Nuclear Medicine.