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| Result: Searchterm 'fmri'
found in 9 messages |
| Result Pages: [1] 2 |
More Results:  Database (11) News Service (46) Resources (23) |
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ladan shahshahani
Sat. 11 Jul.15,
12:07
[Start of:
'fMRI/DTI fusion'
0 Reply]
 Category:
Funktional MRI
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| fMRI/DTI fusion |
Hello everybody
I want to work on fMRI and DTI fusion and I 'm kind of new in the fusion field. is there anybody with exprience in this field?
another question: is there any way for simulating fMRI and DTI data and use it for fusion?
thanks in advance
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Daria Panek
Mon. 4 Mar.13,
12:58
[Start of:
'fMRI of Pituitary'
0 Reply]
Category:
Applications and Examinations
|
| fMRI of Pituitary |
Hello,
I have started project with examination of various structures in the brain on the data from fMRI. I wanted to check the behaviour of Pituitary on my data coming from fMRI. Have anyone heard of any other similar examination of Pituitary on images coming from fMRI? I could not find any paper about it.
If you can help me, I will be extremly grateful.
Thanks,
Daria
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Rudolfo Marques
Fri. 19 Aug.11,
12:03
[Start of:
'fmri, block design: length of "On" and "Off" periodes ?'
0 Reply]
Category:
Funktional MRI
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| fmri, block design: length of "On" and "Off" periodes ? |
Hello,
I'm planning some fmri research and I wonder why often the blocks of stimulation and nothing (or called base level or resting state) have the same length
If I let -maybe- a flickering checkerboard about 16 seconds on, as my "ON" period... then I should not need further 16 seconds resting state? DO I?
The BOLD-related effects should be away after about 2 seconds?
Thanks
Rudolfo
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Lirong TAN
Thu. 23 Jun.11,
02:44
[Start of:
'fMRI frequency range'
0 Reply]
Category:
Funktional MRI
|
| fMRI frequency range |
Hi,
I am trying to decompose the original fMRI time series into several components with different frequency ranges. I use the MODWT wavelet analysis. To obtain the components' frequencies, I need to know the frequency range of the original fMRI signal. Is it 0-1/TR?
Thanks a lot.
Lirong
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Niels Janssen
Tue. 6 May.14,
11:24
[Start of:
'GE signa excite 3T - clustered volume acquisition'
0 Reply]
Category:
Funktional MRI
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| GE signa excite 3T - clustered volume acquisition |
I am wondering if anyone has experience with so called 'clustered volume acquisition' on a GE signa excite 3T. Clustered volume acquisition (or sparse acquisition) means that you acquire images within the first 1000 ms of a 2000 ms TR, for example (Edmister et al., 1999, Human Brain Mapping). This method is useful because the machine will stop producing scanning noise in the final 1000 ms of the TR, which can then be used for recording speech inside the scanner (in fmri applications).
I am asking whether 1) this sequence can be programmed from the parameters menu on the scanner console, or 2) whether it requires compilation of a new pulse sequence.
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