| MAGLINK |
Neuroscan is pleased to announce the
patented MagLink system for
integrated EEG and ERP recordings inside the fMRI. This
second-generation system improves on the original Opti-Link system by
increasing the bandwidth and eliminated the pre-amplifier and optical
coupling. The passive MagLink system
provides the ability to record during the pulse sequence without
compromising the raw EEG data. MagLink
in conjunction with Neuroscan amplifiers has successfully recorded
EEG data through the pulse sequence in up to 4 Tesla MRI scanners.
SCAN &
TOOLBOX 2003 provide powerful new features for on-line and
off-line reduction and removal of the ballistocardiogram and pulse
sequence artifact while retaining the integrity of the EEG.
Post-processing tools allow ERP’s to be extracted which can then be
subjected to source localization and compared with the fMRI.
The patented** fMRI compatible electrode and electrode placement
technique employing a carbon fiber technology ensures that the
MagLink has negligable impact on MR
signal quality, enabling the simultaneous acquistion of uncompromised
fMRI and EEG data.
The gradient artifact that is injected into the EEG data can be
reduced by a number of different strategies that are included in the
SCAN software. Having a variety of data processing methods
available is critical to account for the different artifacts that are
encountered. The individual artifact signatures vary based on the type
of pulse sequence, magnet type and strength, the electrode impedance,
even the quality of the shim on a particular day. Neuroscan’s
correction methods can correct the EEG data under a variety of
parameters.
The complete MagLink system consists
of MagLink Cables,
MagLink Caps, a Neuroscan amplifier and
the
SCAN software. This fully functional system has acquired EEG
and fMRI data successful in the following magnets:
GE Signa 1.5 Tesla
GE Signa 3.0 Tesla
Siemens 1.5 Tesla
Siemens 3.0 Tesla
Philips 1.5 Tesla
Varian 4.0 Tesla |
| Specifications: |
- ** U.S. Patent 6,708,051 B1: Filed 11/10/99, Issued: 16/03/04
- ** U.S. Patent 5,445,162 C1: Filed 08/27/93, Issued: 08/29/95,
Recertification Issued 11/30/04
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+ 55 11 3825-7311
