MRI-Live!
MRI-Live! is an integrated video display and eyetracker for
fMRI. The
hardware design consists of two core components: a screened aluminium
enclosure that contains dual micro displays
and an optional eye tracking camera, which is sited above the
subject's feet, and a separate, totally passive
optical arrangement that neatly fits on top
of the head coil. This scheme
means that no active components are placed inside the bore of
the magnet, which helps to ensure that there are no associated
artefacts in the
scans.
Display |
- Two independent digital fLCoS displays, dedicated DVI inputs
- 1280x1024 pixels
in each display
- 3 x 8 bit colour from independent RGB
LEDs
- 60Hz native mode, with fixed 1 frame latency
- 400:1 contrast ratio
|
Field of view |
- ±25° to ±45° horizontal, ±20° to ±36° vertical
- Zoom optics with drop-in ophthalmic lenses for cylinder correction
- Built-in IPD adjustment
|
Eye tracking |
- Up to 250Hz video eye tracking in one eye
- Accuracy 0.25°, resolution
0.1 °
- Other sampling rates from 60Hz upwards can be configured
- Trigger input from scanner, visual stimulator or other
devices for synchronisation
|
Mechanical
compatibility |
- Designed for use with 8 channel head coil
- All optical components fit on top of the head coil, so
subject head size does not limit compatibility with
the equipment
- Initially supplied for use with Siemens,
Philips and GE high resolution head array coil (1.5T & 3T)
- Requires whole body scanner
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MRI-Live!
