NIRX-NIRScout

NIRScout – powerful and versatile lab-based fNIRS by NIRx

The NIRScout system is the most versatile fNIRS research platform.

NIRScout Advantages

The NIRScout is user-friendly, modular, and a robust functional near-infrared spectroscopy (fNIRS) platform which measures hemodynamic responses to neuroactivation via oxy-, deoxy-, and total hemoglobin changes in the cerebral cortex. The NIRScout platform includes a host of ready-to-implement upgrades and modules to meet the needs of a broad range of cognitive neuroscience applications.

NIRScout (NSC) Advantages:

Ability to measure both topographic and tomographic measurements, can freely place probes anywhere on the cortex.
Modular design allows for easy and efficient upgrades and increased coverage, when needed.
Hyperscanning: single system can synchronously collect measurements from multiple participants simultaneously.
Illumination pattern (source firing sequence) fully customizable, which increases sampling rate, and prevents crosstalk.
Up to 255 triggers input, and up to 255 triggers output.

NIRScout Extended Plus (NSXP) Advantages:

Can be configured to use laser sources, LED sources, or both, depending on your research needs.
Fiber based system allows for safe data collection within MR.
Ability to use 4-wavelength and 8-wavelength sources. Used for detecting additional chromophores beyond hemoglobin (i.e. Cytochrome c oxidase).
Flat fibers and optodes allow for data collection for concurrent TMS and fNIRS applications.
Has expanded coverage, beyond our standard NIRScout system.

Functionality

Set up fNIRS Fast
NIRx uses the NIRScap and proprietary signal optimization procedure for an incredibly fast setup (see video of <60-second setup).

High data quality

Sampling rate of 100Hz, sensitivity of SiPD: < 1 pW or APD: 0.5pW, with a high dynamic range of 90 dBopt.

Multi-Modal Integration
NIRScout is ideal for multi-modal measurements with EEG, fMRI, eye-tracking, cochlear implants, TMS, tDCS, EMG, and other modalities for concurrent measurements.

Application-Specific Probes & Headgear

Specialized probes and headgear available for comfortable
measurements on any subject, for any application. Including for measurements on infants and children.

Sources	NSC 8 to 16 LED sources NSX 8 to 64 LED sources- single system NSX 8 to 128 LED sources – tandem configuration NSXP 8 to 64 LED sources – single system NSXP 8 to 128 LED sources – tandem configuration NSXP 8 to 32 Laser sources – single system NSXP 8 to 64 Laser sources – tandem configuration
Detectors	NSC 4 to 24 detectors NSX 4 to 32 detectors – single system NSX 4 to 64 detectors – tandem configuration NSXP 4 to 32 detectors- single system NSXP 4 to 64 detectors – tandem configuration
Source Illumination Types	Hybrid Choice: LED & Laser Sources
Source Wavelengths	LED: 760nm & 850nm; Laser: 785, 808, 830, & 850nm
Detection Sensor	Silicon Photodiode (SiPD) or Avalanche Photodiode (APD)
Detector Dynamic Range	90 dBopt
Detector Sensitivity	< 1 pW or APD: 0.5pW
Optode type	Single-tip, or specialized Dual-tip optodes (faster set-up time and better contact to skin), Blunt-Tip (infant and child applications, better comfort)
Maximum Data Channel Stream	2048 (up to 4096 in tandem config.)
Multi-distance/Short-distance detectors	Yes
Sampling Rate	2.5 – 100 Hz
Spectroscopic Technique, Phase Type	Continuous Wave, Single Phase
3D Depth-discrimination	Yes
Maximum Functional Resolution	7.5mm (with 7.5mm source-detector spacing)
Key Measurement Features	Time multiplexing and 10e9 dynamic gain state switching
Hyperscanning Configuration	Up to 4 separate bi-lateral 16-source/8-detector arrays for 4 subjects
Included Data Acquisition Software	NIRStar
Topography Software	Open format: nirsLAB, Homer2, MATLAB, etc.
Trigger/Event Connection	Extended: 8-bit TTL Input and Output; Standard: 4-bit TTL Input
Headgear	NIRScaps: freely-configurable, measures whole head, fits all age ranges, multi-modal
BCI/Neurofeedback	Optional module for NIRStar
Multi-modal Compatibility	Built-in: EEG, tDCS/TES, eye-tracking, motion-tracking Requiring module: fMRI, MEG, TMS
Multi-distance/Short-distance detectors	Yes, split one detector channel into 8 short channels
Included Accessories	NIRScaps, System carrying case, strain-relief arms, Trigger cable, Instrument PC
Optional Accessories	Computer cart, Active Trigger Splitter, fMRI/TMS compatibility, flat and blunt tipped optode, Animal fNIRS Module, BCI/neurofeedback – fully compatible with Turbo Satori software
Temperature Range	10 – 40 C (operating), -15 – 70 C (storage)
Humidity	20% – 80% Relative, Non-condensing
Power Supply Voltage and Consumption	90 to 250 VAC (50Hz – 60Hz); 175W Max
Dimensions (WxHxL), Net Weight	Standard: 260mm x 170mm x 330mm, 10kg Extended: 340mm x 170mm x 370mm, 16kg

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