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MRI Forum
'Signa'
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Costel Chiru

Thu. 1 Dec.16,
21:13

[Start of:
'GE Signa Explorer'
0 Reply]


 
  Category: 
General

 
GE Signa Explorer
Did anyone know how many coils elements could be simultaneously connected to 16 ch GE Signa Explorer?rnThanks!
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Pontus Zaar

Mon. 23 May.16,
20:04

[Start of:
'Tirm dark fluid, fat signal.'
0 Reply]


 
  Category: 
Basics and Physics

 
Tirm dark fluid, fat signal.
Hi!
On our 3 T siemens machine the protocol tirm dark fluid is often used in neuro.
My question is, why does fat have low signal? Isn't supposed to be only fluid supressed?

Thanks in advance!

/Pontus
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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

 
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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Reader Mail

Tue. 25 Sep.07,
14:56

[Start of:
'GE Signa Contour field'
0 Reply]


 
  Category: 
Devices, Scanner, Machines

 
GE Signa Contour field
HI,
I NEED THE LINES OF FIELD FOR THIS GE SIGNA CONTOUR: 0,5 T SIGNA/MAX W/SAV
CAN YOU HELP ME?
THANKS
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Gonzalo Sanchez Benavides

Tue. 5 Jun.07,
07:53

[Start of:
'DTI 25 directions on GE signa excite 1.5'
4 Replies]


 
  Category: 
Sequences and Imaging Parameters

 
DTI 25 directions on GE signa excite 1.5
Hello,

I need some help with the DTI 25 gradient directions on GE signa excite.
I'm a neuropsychology researcher and i receive some data with this protocol, but the technician cannot tell me the matrix that i need to process it. It's somthing like this:

26
0 0 0
1 0 1
...

If anybody can help me i would be very grateful.

Thanks
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