Our most powerful and versatile lab-based fNIRS platform

The NIRScout system is the most versatile fNIRS research platform. It can scale from 4 source and 8 detector to 64 source and 128 detector configurations. The NIRScout comes with either high performance LEDs, lasers or multi-wavelength laser sources and either value SiPD or best-in-class APD detectors allowing for flexibility with price and performance of your system. This research platform is the gold standard for multi modal measurements and comes with a wide set of extensions of options and extensions. These include 8 mm short channels, MRI/TMS compatible optodes, integrations to suit EEG and VR. The NIRScout is a complete solution supported by expert scientific consultants and has a long track record of many high impact publications.

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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


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There have been over 1000 publications with our systems, check out more papers on this page or view the selected NIRScout publications below.

+ Selected Publications

Nguyen, T., Schleihauf, H., Kungl, M., Kayhan, E., Hoehl, S., & Vrtička, P. (2021). Interpersonal Neural Synchrony During Father–Child Problem Solving: An fNIRS Hyperscanning Study. Child Development.

Kelsey, C. M., Krol, K. M., Kret, M. E., & Grossmann, T. (2019). Infants’ brain responses to pupillary changes in others are affected by race. Scientific reports, 9(1), 1-10.

Li, R., Potter, T., Wang, J., Shi, Z., Wang, C., Yang, L., ... & Zhang, Y. (2019). Cortical hemodynamic response and connectivity modulated by sub-threshold high-frequency repetitive transcranial magnetic stimulation. Frontiers in human neuroscience, 13, 90.

Vassena, E., Gerrits, R., Demanet, J., Verguts, T., & Siugzdaite, R. (2019). Anticipation of a mentally effortful task recruits Dorsolateral Prefrontal Cortex: An fNIRS validation study. Neuropsychologia, 123, 106-115.

Hernández-Martin, E., Marcano, F., Casanova, O., Modroño, C., Plata-Bello, J., & González-Mora, J. L. (2017). Comparing diffuse optical tomography and functional magnetic resonance imaging signals during a cognitive task: pilot study. Neurophotonics, 4(1), 015003.

Altvater-Mackensen, N., & Grossmann, T. (2016). The role of left inferior frontal cortex during audiovisual speech perception in infants. NeuroImage, 133, 14-20.

Hyperscanning with scientist - all three - faded.jpg

Technical Specifications

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 WeightStandard: 260mm x 170mm x 330mm, 10kg
Extended: 340mm x 170mm x 370mm, 16kg
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