g.SCARABEO electrodes are active EEG electrodes to record the best EEG possible. The small amplifier inside the electrode makes a huge difference in data quality and usability compared to passive electrodes. This fact can be seen by much less artifacts in the EEG data, no abrasion of the skin is required, the electrodes are mounted much quicker and the BCI performance is much higher. These facts were proofen by thousands of recordings. You never want to loose a second of EEG data by just using the wrong equipment.
g.SCARABEO electrodes have a small form factor to support high-density recordings. The electrode is inserted into a holder ring of the g.GAMMAcap EEG cap and can be easily removed and plugged into other positions to equip a cap for a certain experiment. Typically, the electrodes remain plugged in to minimize mistakes and to speed up electrode mounting. The g.SCARABEO electrodes with the holder rings can also be assembled on the body with adhesive washers for EMG, ECG or EOG recordings.
|Record the best possible EEG|
|Compact active electrode for high-density EEG and multi-purpose applications|
|Fully compatible with g.GAMMAsys and g.HIamp’s active headbox|
|Touchproof sintered Ag/AgCl-ring electrode in a durable molded housing|
|Super-fast and reliable setup: fill-and-ready|
|Usable with g.GAMMAcap or with adhesive washers|
|Simultaneous impedance check of all channels with g.HIamp|
|Amplification inside the electrode|
|1.5 kV isolation|
|2-pin safety connector|
RECORD THE BEST EEG DATA POSSIBLE – WITHOUT LOSING DATA
- Very light electrodes to reduce the momentum when the head is moved and therefore to avoid artifact
- No unnecessary plastic components adding up in weight and responsible for lot of artifacts
- The combination of the electrode and cap is as light as possible to avoid artifacts
- No polarization or saturation effects
- Small, highly precise amplifier integrated in EEG electrode
HIGH DENSITY EEG RECORDINGS
g.SCARABEO EEG electrodes give a high spatial and temporal resolution for neuroscience studies. First all EEG electrodes are assembled to the EEG cap and are connected to the g.HIamp. Then the cap is put onto the subject’s head and the electrode are filled with gel. It takes only about 5 minutes to put on 64 channels and to record artifact free data. This is a hugh usability improvment compared to other systems were you will need an hour to put on the cap. It is of course important to do this as quick as possible so that the subject does not get exhausted before the actual experiment is starting.
Another important fact is that we care about every single electrodes and this is the reason why every single EEG electrode has the amplifier inside and a small holder ring with a reservoir below. This makes sure that the g.GAMMAbel contacts a certain area of the brain so that we know exactly from where we are recorind and it allows a long-lasting recording without re-gelling.
Especially important is that we don’t get any bridging between electrodes which would produce meaningless data while we are recording.
You have to keep in mind that when you are recording from patients, then you don’t want to lose any second of EEG data, just because you are using low quality equipment that comes with more artifacts or noise then necessary. You want the best EEG equipment possible to save time, money and get the best EEG data quality.Dr. Christoph Guger - CEO & Founder of g.tec medical engineering GmbH
g.GAMMAcap is an EEG cap designed for maximum comfort with minimal mounting time. The fabric used for this g.GAMMAcap is very flexible, but robust. 74 labeled standard positions (based on the extended 10-20 system / 10-10 system) and 86 additional intermediate positions are precut for easy placement. This makes it easy to configure caps for certain experiments (e.g. P300 speller, SSVEP robot control, high-density brain mapping, etc.).
fNIRS & EEG CAP
g.GAMMAcap fNIRS is an EEG cap that allows the montage of additional 8 fNIRS optodes. g.SENSOR fNIRS can be attached with a magnet to the cap and the optodes can be inserted into pre-defined positions over the sensorimotor-cortex and/or frontal cortex.
SOPHISTICATED EEG CAP DESIGN
The EEG cap can be mounted with active or passive g.LADYbird EEG electrodes, active g.SCARABEO EEG electrodes or active g.SAHARA Hybrid EEG electrodes.
All types of active and passive electrodes can be changed or replaced if necessary. The caps can be used with a chest belt strap or with chin straps, which are supplied with each cap, can be configured with electrodes for a certain experiment (such as the P300 speller), and the electrodes remain inside the cap even during cleaning. This makes preparation and cleaning very fast, which speeds up experiments considerably. A typical setup time for a P300 speller experiment (10 electrodes) is about 2 minutes – just put on the cap and inject the gel. After the cap is removed, the EEG gel almost disappears after some time, and gel is removed completely by washing the hair.
|Mini||Head circumference 32 - 36 cm|
|Midi||Head circumference 37 - 43 cm|
|Maxi||Head circumference 44 - 48 cm|
|Small||Head circumference 50 - 54 cm|
|Medium||Head circumference 54 - 58 cm (fits 95% of adult subjects)|
|Large||Head circumference 58 - 62 cm|
g.GAMMABOX FOR g.USBAMP BIOSIGNAL AMPLIFIER
g.GAMMAbox is an EEG Electrode Connector Box that connects the fully equipped EEG cap and EEG electrodes with g.tec’s g.USBamp biosignal amplifier. If it is used with g.GAMMAclip ECG, EMG and EOG recordings are possible with active electrode technology. It is designed to make experimental setups for EEG/ECG/EMG/EOG recording fast and easy, and of highest quality.
|Avoid or reduce artefacts from movements and electromagnetic interference|
|Fastest electrode montage for multi-channel recordings|
|No abrasive skin treatment required, just inject a drop of gel|
|Single electrodes can be replaced easily|
|All cables have the necessary 1.5 kV isolation|
|Filter||DC - 10 kHz|
g.GAMMACLIP ACTIVE ELECTRODES
The g.GAMMAclip contains an amplifier inside and allows you to attach disposable EMG/ECG electrodes for high quality recordings. The active electrode system greatly reduces noise produced by movements and interference with other devices, and thereby provides very high-quality data, even in challenging usage situations. Especially in hospital environments the system delivers very clean data and you would never use a passive electrode system again.