Hi Deirdre

I'm not sure exactly what you mean, but probably what you are seeing (the circular patterns) are the effects of motion

cheers Bruce On Tue, 2 Oct 2012, Deirdre O Shea wrote:

Hey everyone,

I was wondering if anyone knew how to correct for a ripple like effect in the image. I have adjusted the talairach and it still looks the same. Any suggestions would be great. see image attached.

Thanks, Deirdre