Dr. Louis Gagnon Profile

Dr. Louis Gagnon

at Athinoula A Martinos Ctr for Biomedical Imaging

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Author

Publications (7)

Proceedings Article | 1 March 2019 Paper

First principle modeling of simultaneous VASO and BOLD fMRI with two-photon microscopy for optimal quantification of CBV changes in humans

Élie Genois, Louis Gagnon, Jérémie Guilbert, Sava Sakadzik, Anna Devor, David Boas, Michèle Desjardins

Proceedings Volume 10864, 108640V (2019) https://doi.org/10.1117/12.2507463

KEYWORDS: Functional magnetic resonance imaging, Contamination, Blood, Two photon excitation microscopy, Angiography, Monte Carlo methods, Magnetism, Tissues, Brain, Capillaries

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SPIE Journal Paper | 12 March 2015 Open Access

Multimodal reconstruction of microvascular-flow distributions using combined two-photon microscopy and Doppler optical coherence tomography

Louis Gagnon, Sava Sakadžić, Fréderic Lesage, Emiri Mandeville, Qianqian Fang, Mohammad Yaseen, David Boas

NPh, Vol. 2, Issue 01, 015008, (March 2015) https://doi.org/10.1117/12.10.1117/1.NPh.2.1.015008

KEYWORDS: Capillaries, Optical coherence tomography, Angiography, Two photon excitation microscopy, Blood circulation, Resistance, Doppler tomography, Velocity measurements, Blood, Blood pressure

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Proceedings Article | 29 February 2012 Paper

Quantifying the cortical contribution to the NIRS signal using simultaneous NIRS-BOLD measurements

Louis Gagnon, Meryem Yücel, Mathieu Dehaes, Robert Cooper, Katherine Perdue, Juliette Selb, David Boas

Proceedings Volume 8216, 82160F (2012) https://doi.org/10.1117/12.909629

KEYWORDS: Near infrared spectroscopy, Veins, Monte Carlo methods, Brain, In vivo imaging, Tissue optics, Functional magnetic resonance imaging, Tissues, Oxygen, Data modeling

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Proceedings Article | 20 February 2009 Paper

Application of a multicompartment dynamical model to multimodal optical imaging for investigating individual cerebrovascular properties

Michèle Desjardins, Louis Gagnon, Claudine Gauthier, Rick Hoge, Mathieu Dehaes, Laurence Desjardins-Crépeau, Louis Bherer, Frédéric Lesage

Proceedings Volume 7171, 717109 (2009) https://doi.org/10.1117/12.808317

KEYWORDS: Data modeling, Oxygen, Hemodynamics, Blood, Resistance, Near infrared spectroscopy, Brain, Calibration, Blood circulation, Capillaries

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Proceedings Article | 12 February 2009 Paper

Double layer estimation of flow changes using diffuse correlation spectroscopy

Louis Gagnon, Michèle Desjardins, Louis Bherer, Frédéric Lesage

Proceedings Volume 7174, 717407 (2009) https://doi.org/10.1117/12.808272

KEYWORDS: Data modeling, Diffusion, Scattering, Absorption, Head, Optical properties, Brain, Tissue optics, Photons, Spectroscopy

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SPIE Journal Paper | 1 September 2008 Open Access

Double-layer estimation of intra- and extracerebral hemoglobin concentration with a time-resolved system

Louis Gagnon, Claudine Gauthier, Richard Hoge, Frederic Lesage, Juliette Selb, David Boas

JBO, Vol. 13, Issue 05, 054019, (September 2008) https://doi.org/10.1117/12.10.1117/1.2982524

KEYWORDS: Brain, Absorption, Skin, Monte Carlo methods, In vivo imaging, Tissues, Data modeling, Biological research, Scattering, Oxygen

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Proceedings Article | 12 February 2008 Paper

Diffuse optical-MRI fusion and applications

F. Lesage, L. Gagnon, M. Dehaes

Proceedings Volume 6850, 68500C (2008) https://doi.org/10.1117/12.766745

KEYWORDS: Tissues, Absorption, Functional magnetic resonance imaging, Magnetic resonance imaging, Brain, Diffusion, Photons, Signal detection, 3D modeling, Monte Carlo methods

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Showing 5 of 7 publications

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