| T O P I C R E V I E W |
| tonev |
Posted - Jun 18 2003 : 1:41:31 PM
Is there any way for technicians and/or experimenters to easily view a functional volume as it comes off the scanner?
The reason I ask is that we recently tested a dyad who came from over 2 hours away to be scanned, only to find mostly unusable functional data. As it turned out, headcoil cables that were being used happened to have paramagnetic materials in them. Sufficed to say, we can't re-scan the family and it is unlikely that we will be able to replace them due to the somewhat rare nature of the particular population in which we are interested.
In order to prevent this from happening to anyone in the future, it would be helpful if there was a way to view a functional volume as it comes off the scanner (as is the case with structurals). In our situation, we would have easily seen the problem early on in the first run, and would have had the opportunity to solve it before collecting any more data.
Cheers,
Simon |
| 2 L A T E S T R E P L I E S (Newest First) |
| tonev |
Posted - Jun 18 2003 : 2:22:48 PM
Thanks for the quick reply Chuck--
Unfortunately, because of some quirks in our protocol, I reconstruct the p-files manually after they have gotten to the SAN. This can take a bit of time since I have to upload them (securely) to lorentz in order to do the reconstruction. I was hoping that the functionals came off the magnet as individual slices which were then archived into a p-file, and that we could look at the images before this archiving occurs. Of course, I was also hoping to win a million dollars...
Simon |
| charles.michelich |
Posted - Jun 18 2003 : 1:51:50 PM
Simon,
You can log in to the Windows NT (4T) or Windows XP (1.5T) computer and look at your data in MATLAB. The processing daemon automatically reconstructs and copies your data to the SAN after the end of each run. Depending on how busy the schedules are, my data is often on the SAN within about 10-15 minutes from the end of each run. Jimmy Dias may be able to give you a better idea of how quickly the data will arrive on the SAN.
Unfortunately, Windows 98 cannot access the SAN due to limitations in the operating system, so if you are using the Windows NT/XP machine for stimulus presentation, you cannot view the data from the Windows 98 machine. Once the Windows 98 computers are retired and replaced with XP machines, you will be able you view your data from either computer. If there is more than one person running the experiment, one of you could also go a computer lab and look at the data also.
I hope that this helps,
Chuck |
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