**Probing Brain Oxygenation Waveforms with Near Infrared Spectroscopy (NIRS)**

Alexander Gersten1, Jacqueline Perle2, Dov Heimer3, Amir Raz4 and Robert Fried5 *1Department of Physics, Ben-Gurion University, Beer-Sheva 2Department of Psychology, Hunter College of the City University of New York, NY 3Pulmonary Unit, Soroka University Hospital, Beer-Sheva 4McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal 5City University of New York, NY 1,3Israel 2,5USA 4Canada* 
