Hello Xiaoxu I've known some people to use cod liver oil capsules placed just near the ear. all the best Rachel *********************************************** Dr Rachel Mitchell, Lecturer in Psychology, Durham University Honorary Senior Research Fellow, Institute of Psychiatry, KCL Governor, Tees Esk & Wear Valleys NHS Foundation Trust Correspondence: Dept. of Psychology,Durham University,Science Site,South Road,Durham. DH1 3LE. UK Tel: +44 (0)191 334 3272 Fax: +44 (0)191 334 3241 ________________________________ From: SPM (Statistical Parametric Mapping) on behalf of Xiaoxu Liu Sent: Thu 18/06/2009 15:25 To: [log in to unmask] Subject: [SPM] L/R Marker in EPI and MPRAGE Hi all, To make sure the L/R orientation is not flipped in the conversion and processing, I want to attach a marker on the patient's forehead. The ideal marker is the one that could show up in both MPRAGE and EPI sequence. I tried to use a Gadolinium filled syringe as a marker but it can be barely seen in MPRAGE and cannot be seen in EPI. Do you have any suggestions and tricks? Thanks a lot. -Xiaoxu