Comments on: Off-resonance effects http://www.revisemri.com/blog/2006/off-resonance/ For your short relaxation times. Wed, 21 Dec 2011 18:26:50 +0000 hourly 1 http://wordpress.org/?v=3.3.1 By: Dave Higgins http://www.revisemri.com/blog/2006/off-resonance/comment-page-1/#comment-200 Dave Higgins Tue, 30 Jan 2007 12:46:49 +0000 http://www.revisemri.com/blog/2006/off-resonance/#comment-200 <p>I'm not sure. Bernstein/King/Zhou say in their <a rel="nofollow" href="http://www.revisemri.com/other/books#handbook" rel="nofollow">textbook</a> that "off resonant effects cause blurring (rather than bulk shift) of the spatial profile" and that this is the main drawback of spiral k-space trajectories. Perhaps open a new thread with this question in the <a rel="nofollow" href="http://www.revisemri.com/forum/" rel="nofollow">Forum</a>!</p> I’m not sure. Bernstein/King/Zhou say in their textbook that “off resonant effects cause blurring (rather than bulk shift) of the spatial profile” and that this is the main drawback of spiral k-space trajectories. Perhaps open a new thread with this question in the Forum!

]]> By: ergun ahunbay http://www.revisemri.com/blog/2006/off-resonance/comment-page-1/#comment-148 ergun ahunbay Sun, 14 Jan 2007 04:12:44 +0000 http://www.revisemri.com/blog/2006/off-resonance/#comment-148 Dear Dr Higgins is it accurate to say that spiral MR sequences would not have geometric distortions due to off-resonance effects but blurring instead? thanks a lot, EA Dear Dr Higgins
is it accurate to say that spiral MR sequences would not have geometric distortions due to off-resonance effects but blurring instead?

thanks a lot,
EA

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