The new imager from NIRx with all the advantages of the NIRSport2
NIRxBorealis combines the NIRx flagship NIRSport2 amplifiers with fiber-based laser stimulation and APD detectors. This allows concurrent fMRI and fNIRS recordings and then the co-analysis of fNIRS and fMRI results. It also allows directly running the very same fNIRS experiment fully mobile outside the scanner at a fraction of the cost.
Advantages
Flexibility to use the popular NIRSport2 platform for both mobile and MRI-integrated experiments
Coupling two NIRSport2 via Laser and APD cards into MRI compatible fiber optics
Data saved in the .snirf file format, a modern standard to facilitate data sharing
Supporting latest Aurora release
Applications
The use of optical fiber based optodes for combining fNIRS with fMRI serves impactful research applications, and combining the two modalities aids the validation of the complementary signals.
Compared to the deoxy-Hb based signal of fMRI, fNIRS separately measures deoxy-Hb and oxy-Hb which provides further information about hemodynamics and can improve the fMRI signal quality. Additionally, combined fNIRS-fMRI multimodal imaging studies can assess the congruence between full-body behaviors with fNIRS and analogous stationery designs with fMRI, thereby extending research into more ecologically valid settings.
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