Hi,
If you use the "FIR" basis function option then every timepoint after
the even is modelled independently, using a separate EV. Within each
timepoint (TR) the FIR model is constant.
Cheers.
On 7 Aug 2008, at 16:52, Christopher Petty wrote:
> to revive an older thread:
>
> When using FIRs does feat try to model each individual basis
> function as one
> instance in time (only looking at the specific TRs you've
> specified), or are
> they treated as a typical, albeit shorter, gamma function ... where
> the rise
> and fall are also modeled with baseline and post stimulus points?
>
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Stephen M. Smith, Professor of Biomedical Engineering
Associate Director, Oxford University FMRIB Centre
FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK
+44 (0) 1865 222726 (fax 222717)
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