 |
 |
You should set the t0 to the same as the reference slice in slice timing. In your case it should be t0=16. Best Regards, Donald McLaren ================= D.G. McLaren, Ph.D. Postdoctoral Research Fellow, GRECC, Bedford VA Research Fellow, Department of Neurology, Massachusetts General Hospital and Harvard Medical School Website: http://www.martinos.org/~mclaren Office: (773) 406-2464 ===================== This e-mail contains CONFIDENTIAL INFORMATION which may contain PROTECTED HEALTHCARE INFORMATION and may also be LEGALLY PRIVILEGED and which is intended only for the use of the individual or entity named above. If the reader of the e-mail is not the intended recipient or the employee or agent responsible for delivering it to the intended recipient, you are hereby notified that you are in possession of confidential and privileged information. Any unauthorized use, disclosure, copying or the taking of any action in reliance on the contents of this information is strictly prohibited and may be unlawful. If you have received this e-mail unintentionally, please immediately notify the sender via telephone at (773) 406-2464 or email. On Fri, Mar 16, 2012 at 4:34 AM, Alexandre Obert <[log in to unmask]>wrote: > Dear spmers, > > I'm analyzing some fmri data but I'm a beginner and I've got some > questions for you... > > We've got 32 slices and TR=2000ms. We performed a slice timing correction > and we chose the slice 16 as the referent slice. > When I built the 1st level design, I didn't modulate the mircrotime > resolution nor the microtime onset. > But in the manual I can read : "*A typical use of the t and t0 parameters > is to set them to correspond to the results of any slice > timing correction you have made eg. if you have 24 slices and have made > slice 12 the reference > slice you would set t=24, t0=12.*" > > Did I made a mistake in this 1st level ? > > > O.A. > > >