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Real-time imaging of human brain function by near-infrared spectroscopy using an adaptive general linear model
2009
NeuroImage
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We propose a novel real-time analysis framework using an adaptive Kalman filter and a state-space model based on a canonical general linear model of brain activity. ...
In this work, we demonstrate the ability to record and analyze images of brain activity in real-time using a 16-channel continuous wave optical NIRS system. ...
Acknowledgments This work was supported by department funds from the University of Pittsburgh's department of radiology. ...
doi:10.1016/j.neuroimage.2009.01.033
pmid:19457389
pmcid:PMC2758631
fatcat:xj4vwevphjhjljvykkevwzplwu
Functional near-infrared spectroscopy for adaptive human-computer interfaces
2015
Optical Tomography and Spectroscopy of Tissue XI
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We present a brain-computer interface (BCI) that detects, analyzes and responds to user cognitive state in real-time using machine learning classifications of functional near-infrared spectroscopy (fNIRS ...
cognitive state in real-time. ...
ACKNOWLEDGMENTS We thank the National Science Foundation (grants IIS-1065154 and IIS-1218170) for its support of this research. We would also like to thank Prof. ...
doi:10.1117/12.2075929
fatcat:57vgzvum3zezldjwxzmr3fpp2y
Reduction of Onset Delay in Functional Near-Infrared Spectroscopy: Prediction of HbO/HbR Signals
2020
Frontiers in Neurorobotics
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In monitoring the time responses of blood-oxygen-level-dependent signals with functional near-infrared spectroscopy (fNIRS), the early trajectories of both oxy- and deoxy-hemoglobins in their phase space ...
An intrinsic problem when using hemodynamic responses for the brain-machine interface is the slow nature of the physiological process. ...
Real-time imaging of human brain function by near-infrared spectroscopy using an adaptive general linear model. ...
doi:10.3389/fnbot.2020.00010
pmid:32132918
pmcid:PMC7040361
fatcat:2ktdj4fiovgwvfgwpa2ontl7e4
Applications of Near Infrared Spectroscopy in Neurorehabilitation
[chapter]
2012
Infrared Spectroscopy - Life and Biomedical Sciences
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As another approach, the real-time analysis of the NIRS signal with an adaptive general linear model using Kalman filtering was also reported (Abdelnour & Huppert, 2009 ). ...
infrared light is mainly absorbed by haemoglobin when used as a functional brain-imaging tool. ...
Applications of Near Infrared Spectroscopy in Neurorehabilitation, Infrared Spectroscopy -Life and Biomedical Sciences, Prof. ...
doi:10.5772/36354
fatcat:v7d4blz56vhqfl7umly6wahjza
Functional near-infrared spectroscopy (fNIRS) of brain function during active balancing using a video game system
2012
Gait & Posture
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Functional near-infrared spectroscopy (fNIRS) is a portable, non-invasive, brain imaging technology that uses low levels of non-ionizing light to record changes in cerebral blood flow in the brain through ...
Using fNIRS, we found activation of superior temporal gyrus, which was modulated by the difficulty of the balance task. ...
Acknowledgments This work was funded by startup funding by the University of Pittsburgh Department of Radiology and the National Institutes of Health (NIH-NIA P30AG024827) ...
doi:10.1016/j.gaitpost.2011.10.007
pmid:22078300
pmcid:PMC3294084
fatcat:ncsmdnzznnbw5iaqgo7phqqluq
Front Matter: Volume 10251
2017
Biomedical Imaging and Sensing Conference
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Publication of record for individual papers is online in the SPIE Digital Library. SPIEDigitalLibrary.org Paper Numbering: Proceedings of SPIE follow an e-First publication model. ...
A unique citation identifier (CID) number is assigned to each article at the time of publication. ...
-69]
10251 1Z
Estimation of functional areas probed by near-infrared spectroscopy instruments [10251-70]
10251 20
pH-responsive hydrogel coated fiber Bragg grating-based chemo mechanical sensor ...
doi:10.1117/12.2280106
fatcat:ckg5k47r4ndjxjzlu36riy45nu
Brain–Computer Interfacing Using Functional Near-Infrared Spectroscopy (fNIRS)
2021
Biosensors
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Functional Near-Infrared Spectroscopy (fNIRS) is a wearable optical spectroscopy system originally developed for continuous and non-invasive monitoring of brain function by measuring blood oxygen concentration ...
Recent advancements in brain–computer interfacing allow us to control the neuron function of the brain by combining it with fNIRS to regulate cognitive function. ...
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/bios11100389
pmid:34677345
pmcid:PMC8534036
fatcat:c6k3tj7ghngbfkwl3i3ntwq5he
Deep learning model for ultrafast quantification of blood flow in diffuse correlation spectroscopy
[article]
2020
bioRxiv
pre-print
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Diffuse correlation spectroscopy (DCS) is increasingly used in optical imaging field to assess blood flow in humans due to its non-invasive, real-time characteristics and its ability to provide label-free ...
The proposed deep learning inverse model will enable real-time and accurate tissue blood flow quantification with the DCS technique. ...
Near-infrared diffuse correlation spectroscopy (DCS), also known as diffusing-wave spectroscopy (DWS), is an emerging technique for measuring blood flow in humans. ...
doi:10.1101/2020.06.24.167882
fatcat:h53wmwrkmnaihizkcgqzbe7tfa
Review of functional near-infrared spectroscopy in neurorehabilitation
2016
Neurophotonics
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We provide a brief overview of the research and clinical applications of near-infrared spectroscopy (NIRS) in the neurorehabilitation field. ...
As one of the main applications of NIRS, we discuss its application as a monitoring tool, including investigating the neural mechanism of functional recovery after brain damage and investigating the neural ...
Acknowledgments We thank the "Research and Development Grants for Comprehensive Research for Persons with Disabilities" from the Japan Agency for Medical Research and Development (AMED), the "Development of ...
doi:10.1117/1.nph.3.3.031414
pmid:27429995
pmcid:PMC4940623
fatcat:c6luvqqeebbhlhzzgbf5kjtasy
Front Matter: Volume 9319
2015
Optical Tomography and Spectroscopy of Tissue XI
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SPIEDigitalLibrary.org Paper Numbering: Proceedings of SPIE follow an e-First publication model, with papers published first online and then in print. ...
The complete citation is used on the first page, and an abbreviated version on subsequent pages. ...
spectroscopy
(CHS) (Invited Paper) [9319-22]
9319 0R
Functional near-infrared spectroscopy for adaptive human-computer interfaces [9319-26]
SESSION 6
FLUORESCENCE I
9319 0S
Fluorescence lifetime ...
doi:10.1117/12.2192370
fatcat:dpekpcewufep5f3offh3ddyhkq
Quality control and assurance in functional near infrared spectroscopy (fNIRS) experimentation
2010
Physics in Medicine and Biology
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Functional near infrared spectroscopy (fNIRS) is a rapidly developing neuroimaging modality for exploring cortical brain behaviour. ...
Despite recent advances, the quality of fNIRS experimentation may be compromised in several ways. Firstly, by altering the optical properties of the tissues encountered in the path of light. ...
90 1657-62 Hoshi Y, Shimada M, Sato C and Iguchi Y 2005 Reevaluation of near-infrared light propagation in the adult human head: implications for functional near-infrared spectroscopy Journal of Biomedical ...
doi:10.1088/0031-9155/55/13/009
pmid:20530852
fatcat:ljy3gecy4fb2zkxqrsfzhvstpa
Spectroscopy and Imaging with Diffusing Light
1995
Physics today
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Our work is supported by the National Science Foundation (Yodh) and the National Institutes of Health (Chance). ...
We particularly wish to acknowledge collaborations and discussions with scientists at the University of Pennsylvania, including Bertran Beauvoit, David Boas, Michael Cohen, Jack Leigh, Dean Kurth, Hanli ...
Functional imaging and object localization Near-infrared diffusing light probes offer new techniques for clinical diagnosis of the human body's structure and function. ...
doi:10.1063/1.881445
fatcat:rhktoatz7rejrkubz3ms5iotki
Physical aspects of medical science
2012
Kaohsiung Journal of Medical Sciences
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near infrared spectroscopy. ...
Among these, the physical approach is the most important for an exact elucidation of the physiological function of living materials. What is a physical approach? ...
NIRS Z near infrared spectroscopy. ...
doi:10.1016/j.kjms.2011.08.005
pmid:22301010
fatcat:l4rwhunxbbhexfdnq52hjoid3q
Optical aspects of a miniature fluorescence microscope for super-sensitive biomedical detection
2020
Zenodo
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We present optical design and the principle demonstrator of a miniature fluorescence microscope aiming for super-sensitive detection. ...
We report on functional near-infrared spectroscopy (fNIRS) as a tool to monitor the effect of transcranial electrical stimulation (tES) on human bimanual motor performance. 3 Pediatrics, Emory Univ. ...
Time-domain diffuse correlation spectroscopy (TD-DCS) aims to increase cerebral blood flow (CBF) sensitivity by discriminating photon time of flight. ...
doi:10.5281/zenodo.3822435
fatcat:3eoome22a5grbmarbrktphfh7a
Functional Near-Infrared Spectroscopy in Human-Robot Interaction
2013
Journal of Human-Robot Interaction
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Keywords: human-robot interaction (HRI), functional near-infrared spectroscopy (fNIRS), nearinfrared spectroscopy (NIRS), brain imaging, neuroimaging, brain-robot interface (BRI), humanmachine interaction ...
Functional near-infrared spectroscopy (fNIRS) is a promising new tool for research in human-robot interaction (HRI). ...
Acknowledgments This publication was based upon work supported by the National Science Foundation under grant No. ISS-1065154. ...
doi:10.5898/jhri.2.3.canning
fatcat:xfkvug33gbh57m4rajhvwakh7m
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