Connectivity 

fNIRS brings connectivity studies to a new level. The hyperscanning modality enables both online feedback as well as offline analysis regarding within- and between-subjects connectivity. In addition to that, fNIRS fast sampling rate for hemodynamic states allows for a quick update rate of connectivity feedback, resulting into enhanced subject engagement.
NIRx Webinar Studying functional connectivity with fNIRS

*A recording of the April 3 2019 Webinar, in which Jessica reviews concepts of functional connectivity analysis in fNIRS, and gives a simple demonstration of how to perform a simple connectivity analysis in FC-NIRS and  the Brain AnalyzIR Toolbox.

de Souza Rodrigues, J., Ribeiro, F. L., Sato, J. R., Mesquita, R. C., & Júnior, C. E. B. (2019). Identifying individuals using fNIRS-based cortical connectomes. Biomedical Optics Express, 10(6), 2889-2897.

D. Farkas, S. L. Denham, and I. Winkler, “Functional brain networks underlying idiosyncratic switching patterns in multi-stable auditory perception,” Neuropsychologia, vol. 108, pp. 82–91, Jan. 2018.

S. Tak, A. M. Kempny, K. J. Friston, A. P. Leff, and W. D. Penny, “Dynamic causal modelling for functional near-infrared spectroscopy,” Neuroimage, vol. 111, pp. 338–349, May 2015.

L. Holper, F. Scholkmann, and E. Seifritz, “Time-frequency dynamics of the sum of intra- and extracerebral hemodynamic functional connectivity during resting-state and respiratory challenges assessed by multimodal functional near-infrared spectroscopy,” Neuroimage, vol. 120, pp. 481–492, Oct. 2015.

H. Niu and Y. He, “Resting-State Functional Brain Connectivity: Lessons from Functional Near-Infrared Spectroscopy,” The Neuroscientist, vol. 20, no. 2, pp. 173–188, Apr. 2014.

J. Mehnert, A. Akhrif, S. Telkemeyer, S. Rossi, C. H. Schmitz, J. Steinbrink, I. Wartenburger, H. Obrig, and S. Neufang, “Developmental changes in brain activation and functional connectivity during response inhibition in the early childhood brain,” Brain Dev., vol. 35, no. 10, pp. 894–904, Nov. 2013.

R. L. Barbour, H. L. Graber, Y. Xu, Y. Pei, C. H. Schmitz, D. S. Pfeil, A. Tyagi, R. Andronica, D. C. Lee, S.-L. S. Barbour, J. D. Nichols, and M. E. Pflieger, “A programmable laboratory testbed in support of evaluation of functional brain activation and connectivity,” IEEE Trans Neural Syst Rehabil Eng, vol. 20, no. 2, pp. 170–183, Mar. 2012.

H. Niu, S. Khadka, F. Tian, Z.-J. Lin, C. Lu, C. Zhu, and H. Liu, “Resting-state functional connectivity assessed with two diffuse optical tomographic systems,” J Biomed Opt, vol. 16, no. 4, p. 46006, Apr. 2011.

J. Mehnert, C. Schmitz, H. E. Möller, H. Obrig, and K. Mueller, Simultaneous optical tomography (OT) and fMRI with and without task activation. 2010.

General information and Physical Principles of NIRS Operation:

NIRS BrainTV - Videos Presentations

NIRS Knowledge Base

NIRS Blogs

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Multi-modal EEG fNIRS  |  Developmental Changes  |  Speech and Language  |  Event-Related Optical Signal  |  Clinical Neurology