SENSOR FNIRS

8 FNIRS CHANNELS ADD-ON

g.SENSOR fNIRS allows you to record functional near-infrared spectroscopy from 8 fNIRS channels. The device comes with a magnet holder to mount the unit on the g.GAMMAcap or on the g.Nautilus holder shell and this allows to record EEG with fNIRS at the same time.

The optodes can be inserted into the optode holders of g.GAMMAcap fNIRS. The cap has one set of optode holders on the frontal cortex and another set of optode holders over the sensorimotor cortex. The device comes with low-power optodes for the frontal cortex and high-power optodes for the sensorimotor cortex.

fNIRS measures the oxygenation level and hemodynamics of the brain non-invasively. The oxygenation level changes as brain areas become more active. Researchers can identify brain activity in real-time based on changes in blood oxygenation and other factors.

The EEG indicates the electrical activity in the brain and provides high temporal resolution, unlike fNIRS. However, a simultaneous recording of both fNIRS and EEG signals in one single device is highly beneficial. EEG signals indicate motor imagery while fNIRS signals show long lasting changes like mental counting or pain. In other words, researchers can capture what might be missed when using only EEG or fNIRS.

g.SENSOR fNIRS can be used with g.tec’s EEG amplifiers, such as g.HIamp, g.USBamp and g.Nautilus. It comes with a magnet holder that is applicable to any g.GAMMAsys, g.Nautilus Multi-Purpose, g.Nautilus PRO and g.Nautilus RESEARCH.

 

PRODUCT HIGHLIGHTS

10 Hz sampling rate for (8 channels) fNIRS
8 fNIRS transmitters and 2 receivers
High-power optodes for recordings on the sensorimotor cortex
Low-power optodes for recordings on the frontal cortex
1.5 hours (high-power LED) - 8 hours (low-power LED) fNIRS recordings
Wireless digital transmission, range: 10 meters indoor
A new benchmark in usability
Fully integrated in g.HIsys software environment
Can be attached to g.GAMMAsys and g.Nautilus
Can be used with g.GAMMAsys electrodes and g.HIamp, g.USBamp amplifiers

TECHNICAL SPECIFICATIONS

ColorBlack
fNIRS SupplyExchangeable lithium ion battery
Sampling frequency10 Hz
Number of transmitters8
Number of receivers2

g.GAMMACAP fNIRS

g.GAMMAcap fNIRS is perfectly designed to mount g.SENSOR fNIRS together with g.SCARABEO electrodes or g.SAHARA hybrid electrodes.

g.SENSOR fNIRS can be attached with a magnet holder to the cap and the optodes can be inserted into pre-defined positions over the sensorimotor-cortex and/or frontal cortex.

g.GAMMACAP FNIRS FOR ADULTS

SmallHead circumference 50 - 54 cm
MediumHead circumference 54 - 58 cm (fits 95% of adult subjects)
LargeHead circumference 58 - 62 cm

g.NAUTILUS fNIRS ALL-IN-ONE SOLUTION

g.Nautilus fNIRS is a all-in-one wearable EEG headset that allows you to record EEG and fNIRS signals at once. The device is available with 64/32/16/8 active EEG and 8 fNIRS electrodes that can be positioned flexibly on a g.GAMMAcap fNIRS.

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