Hi,
This isn't what I get - for me it makes a noticeable difference to the run-time.
What exactly are you changing?
All the best,
Mark
On 22 May 2014, at 08:36, Joerg Pfannmoeller <[log in to unmask]>
wrote:
> Hello,
>
> thank you a lot for your answer. I just would like to make this thread complete:
>
> After a test I found that the computation time stays the same regardless wheter the full brain or partial brain is used.
>
> Sincerely yours pfannmoe
>
>
> On Wed, 21 May 2014 11:00:37 +0000
> Mark Jenkinson <[log in to unmask]> wrote:
>
>> Hi,
>>
>> The simulation is still valid in this situation.
>> It is the equivalent of putting a smaller piece of tissue (e.g. a postmortem sample) into the scanner.
>> The simulation that you get is the same as if the specified region is the only object in the scanner.
>>
>> All the best,
>> Mark
>>
>>
>> On 17 May 2014, at 10:27, Joerg Pfannmoeller <[log in to unmask]> wrote:
>>
>>> Dear Experts,
>>>
>>> concerning simulation of fMRI data, in which only the central region of the brain around the central sulcus is included and large parts of the frontal and parietal parts of the brain are not included. The runtime estimation of Possum decreases if those regions are removed from the input object. Does this really decrease the runtime and is the simulation still valid in this case?
>>>
>>> Regards pfannmoe
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