Dear Karolien,
if you specify your reference slice, microtime resolution and microtime
onset as described, you don't need to correct your onset vector.
Volkmar
On Wed, 23 May 2007, Karolien Notebaert wrote:
>
>
> Dear SPM experts,
>
>
>
> I have a question regarding entering my onset times in my design
> specification. I have conducted an event-related fMRI study and have
> resliced my functional images to the middle slice, slice 18 (total = 36
> slices/image, acquired ascending, not interleaved). My TR = 2 seconds.
>
>
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> My question is: do I have to correct my onset times for my reslicing? I have
> entered my onset times in scans, so if I have to correct for my slicetiming,
> this means I start with scan 0.5 and not with scan 0?
>
>
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> Is this correction not made automatically when I enter as my microtime onset
> = 18 (and microtime resolution = 36)?
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>
>
> Thanks in advance,
>
> Karolien
>
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> Karolien Notebaert
>
> Laboratory of Experimental Psychology
> University of Leuven
> Tiensestraat 102
> 3000 Leuven
> Belgium
>
> Tel: +32 (0)16/32.59.60
> Fax: +32 (0)16/32.60.99
> Email: [log in to unmask]
>
>
>
>
>
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>
>
--
Volkmar Glauche
-
Department of Neurology [log in to unmask]
Universitaetsklinikum Freiburg Phone 49(0)761-270-5331
Breisacher Str. 64 Fax 49(0)761-270-5416
79106 Freiburg http://fbi.uniklinik-freiburg.de/
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