Scalable Human Brain Imaging with Time-of-Flight Filtered Diffuse Optical Interferometry

Explore the cutting-edge field of brain imaging technology in this 55-minute lecture by Dr. Vivek Srinivasan from New York University. Delve into the world of biophotonics and biomedical optics, focusing on diffuse optical interferometry for scalable human brain imaging. Learn about the principles of diffuse optics, low coherence interferometry, and their applications in measuring cerebral blood flow. Discover innovative techniques such as pressure modulation and high-density forehead mapping. Gain insights into the challenges and future directions of this rapidly evolving field, including the potential for more affordable and accessible brain imaging methods.

Intro
What is Biophotonics/Biomedical Optics?
Optics of Medical Imaging
Diffuse Optics (Macro) vs. Microscopy
Low Coherence Interferometry
Why measure cerebral blood flow (CBF)?
Standard DCS Measurement-Expensive Detector
Oxygenation/volume changes during hypercapnia
Monitoring through hair (finger tapping)
"Creating" a low coherence source
Pressure Modulation
High density forehead mapping
Future Directions
Summary: Does interferometry help diffuse o