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fNIR High-Density Imaging Systems

Safe, Affordable, Noninvasive Cognitive Function Assessment

Measure neural activity and hemodynamic response in the prefrontal cortex

Multi-channel NIRS optical brain imaging solution

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fNIR Data and Stimulation System
Part #: FNIR303S, FNIR203S, FNIR103S

fNIR Imaging Systems are stand-alone functional brain imaging solutions for continuous NIR spectroscopy (NIRS), They provide an in-lab cognitive function assessment and eliminate a great many of the drawbacks of a functional MRI. The subject can sit in front of a computer and take a test or perform mobile tasks.

  • Imaging System – fNIR103S: Imager 2000S (54-optode capable); fNIRSoft Pro & COBI; 2 sensor cables (RXFNIR-CBL2000L+RXFNIR-CBL2000R); 3 x 18-channel sensor pads
  • Data Collection System – fNIR203S: all fNIR103S components PLUS a computer and caddy
  • Data Collection & Stimulation System – fNIR303S: all fNIR103S components PLUS 2 x 5-channel sensor pads, 2 x 6-channel sensor pads, 2 computers, pole cart
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New fNIR 2000 S Series

Top of the line, high density, 54 channel, better features

Multi-Discipline Flexibility

Applicable to multiple academic research fields, plus consumer neuroscience & commercial applications.

Clean Data

Raw light intensity & oxygenation data, modern noise reduction methods & analysis options

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Categories: fNIR Optical Brain Imaging - Research
Subcategories: fNIR Systems - Research

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fNIR analysis topographfNIR is an optical imaging technology that measures neural activity and hemodynamic response in the prefrontal cortex. Subjects wear an fNIR sensor (IR light sources and detectors mounted in a flexible band) on the forehead that detects oxygen levels in the prefrontal cortex and provides real-time values for oxy-hemoglobin and deoxygenated hemoglobin. It provides a continuous and real-time display of the oxygen changes as the subject performs different tasks. The Imager 2000S provides up to 54 channels of information for continuous NIR spectroscopy (NIRS). Systems includes an Imager 2000S control unit, sensors, and software for real-time data viewing and post-acquisition analysis.

fNIR analysis data

The fNIR data combines with other physiological variables such as ECG, respiration, cardiac output, blood pressure, electrodermal activity and stimulus response markers. AcqKnowledge software provides automated analysis tools for event related potentials and ensemble averaging. Combining the fNIR data with the other physiological signals provides researchers with a detailed subject assessment. fNIR is suitable for a wide range of applications, including Human Performance Assessment, Neurorehabilitation, Depth of Anesthesia Monitoring, and Brain Computer Interface. It integrates with stimulus presentation systems and BIOPACs virtual reality products.

fNIRSoft (fS) Pro Edition Software

fS is a stand-alone software package designed to process, analyze and visualize functional near infrared (fNIR) spectroscopy signals through a graphical user interface and/or scripting (for auomation). Use fS viewer tools, data management tools, and a scripting engine to view the data in real time and perform post acquisition analysis. The included fS Pro Edition extends functionality with these additional tools not provided in fS Standard:

  • fS Signal Analysis: Data Processing Tools
  • fS Viewer: Temporal Visualization, Time Series Analysis Tools
  • fS Viewer: Topograph Tools – including brain mapping and visualization over brain surface image

Use fNIR Systems with an MP160 Research System

Synchronize

The Imager 2000S control device has a BNC trigger output that sends TTL pulses at the beginning and end of baseline, and at the beginning and end of a recording session. The trigger can be used to start the MP160 for data collection and to record the start and end of each fNIR segment.

Trigger Acquisition

Connect a BNC to BNC cable between the Imager 200S control device BNC trigger and the Isolated Digital Interface Module (STP100C), External Trigger port, and set AcqKnowledge to External trigger.

Record Digital Triggers

To record the triggers, connect a Jumper Cable (JUMP100) between the TRIG and one of the Digital I/O lines on the rear of the Universal Interface Module (UIM100C). Turn on the digital I/O line and the system will record and display the triggers on the digital channel.


For additional details, review these items under the Support tab:

  • fNIR and COBI Studio User Guide for data collection guidelines
  • fNIRSOFT User Manual for a step-by-step guide for using fS, with an introduction to fNIR technology and a discussion of the Modified Beer Lambert Law (MBLL) that is integral to the analysis of fNIR spectroscopy signals
  • fNIRSOFT Scripting Manual for fNIRSOFT programming and command line options

Imager 2000S Specs

Max Sources: 12
Max Detectors: 36
Max Sampling Frequency: 10
Synchronization ports: 3 TTL, 1 Serial, 1 Parallel
Wireless: no (see fNIR C-series)
Dimensions:  234 x 89mm x 286MM

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