A voxel-based morphometry study of Tourette syndrome

We used T1-weighted MRI to compare brain structure in 15 adult TS volunteers and 15 carefully matched tic-free controls. No significant results after correction for multiple comparisons; trend decrease in GM concentration in voxels centered in left precentral gyrus (primary motor cortex) (-26, -12, 66). The official published abstract is available online at http://neuro.psychiatryonline.org/article.aspx?articleid=101807 Support: NARSAD, NINDS (NS41248, NS01898),<br>and the Charles A. Dana Foundation. We thank<br>the Tourette Syndrome Association for referral of<br>volunteers. More information: [e-mail]