U. Wolf, V. Toronov, J. H. Choi, R. Gupta, A. Michalos, E. Gratton*, and M. Wolf, “Correlation of functional and resting state connectivity of cerebral oxy-, deoxy-, and total hemoglobin concentration changes measured by near-infrared spectrophotometry,” Journal of Biomedical Optics, 16(8), 087013, 2011

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S. Lee, M. Lee, D. Koh, B. M. Kim, and J. H. Choi*, "Cerebral hemodynamic responses to seizure in the mouse brain: simultaneous near-infrared spectroscopy-electroencephalography study," Journal of Biomedical Optics, vol. 15, p. 037010, May-Jun 2010.

 

U. Wolf, M. Wolf, J. H. Choi, L. A. Paunescu, A. Michalos, and E. Gratton*, "Regional differences of hemodynamics and oxygenation in the human calf muscle detected with near-infrared spectrophotometry," J Vasc Interv Radiol, vol. 18, pp. 1094-101, Sep 2007.

 

J. H. Choi*, Jeong-Whan Le, H. Hwang, K. Shin*,, "Generalized Calorie Estimation Algorithm using 3-axis Accelerometer," Journal of Biomedical Engineering Research, vol. 27, pp. 301-309, 2006.

 

L. P. Safonova, A. Michalos, U. Wolf, M. Wolf, D. M. Hueber, J. H. Choi, R. Gupta, C. Polzonetti, W. W. Mantulin, and E. Gratton*, "Age-correlated changes in cerebral hemodynamics assessed by near-infrared spectroscopy," Arch Gerontol Geriatr, vol. 39, pp. 207-25, Nov-Dec 2004.

 

Morren, U. Wolf, P. Lemmerling, M. Wolf, J. H. Choi, E. Gratton, L. De Lathauwer, and S. Van Huffel*, "Detection of fast neuronal signals in the motor cortex from functional near infrared spectroscopy measurements using independent component analysis," Med Biol Eng Comput, vol. 42, pp. 92-9, Jan 2004.

 

J. Choi, M. Wolf, V. Toronov, U. Wolf, C. Polzonetti, D. Hueber, L. P. Safonova, R. Gupta, A. Michalos, W. Mantulin, and E. Gratton*, "Noninvasive determination of the optical properties of adult brain: near-infrared spectroscopy approach," J Biomed Opt, vol. 9, pp. 221-9, Jan-Feb 2004.

 

Toronov, V., A. Webb, S. Walker, R. Gupta, J. H. Choi, E. Gratton, and D. M. Hueber*. Study of the FMRI blood oxygen level dependent effect by near-infrared spectroscopy. Proc. SPIE Int. Soc. Opt. Eng. 5068, 222 (2003).

 

Wolf, U., M. Wolf, J. H. Choi, M. Levi, D. Choudhury, S. Hull, D. Coussirat, L. A. Paunescu, L. P. Safonova, A. Michalos, W. W. Mantulin and E. Gratton*. Localized irregularities in hemoglobin flow and oxygenation in the calf muscle in patients with peripheral vascular disease detected by near-infrared spectrophotometry. J. Vasc. Surgery 37, 1017-1026 (2003).

 

Toronov*. V. S. Walker, R. Gupta, J. H. Choi, E. Gratton, D. Hueber and A. Webb.  The roles of changes in deoxyhemoglobin concentration and regional cerebral blood volume in the fMRI BOLD signal. NeuroImage 19 (4), 1521-1531(2003).

 

Wolf, M., U. Wolf J.H. Choi, V. Toronov, L. A. Paunescu, A. Michalos, and E. Gratton*. Fast cerebral functional signal in the 100ms range detected in the visual cortex by frequency-domain near-infrared spectroscopy. Psychophysiology 40, 521-528 (2003).

 

Wolf, M., U. Wolf, J. H. Choi, R. Gupta, L. P. Safonova, L. A. Paunescu, A. Michalos and E. Gratton*. Detection of the fast neuronal signal on the motor cortex using functional frequency domain near infrared spectroscopy. Adv. Exp. Med. Biol. 510, D. F. Wilson, S. M. Evans, J. Biaglow, A. Pastuszko, eds., 193-197 (2003).

 

Wolf, U., M. Wolf, J. H. Choi, L. A. Paunescu, A. Michalos, L. Safonova and E. Gratton*. Mapping of hemodynamics with near infrared spectroscopy of the human calf tissue and the influence of the adipose tissue thickness. Adv. Exp. Med. Biol. D. F. Wilson, S. M. Evans, J. Biaglow, A. Pastuszko, eds., 225-230 (2003).

 

Wolf, M., U. Wolf, J.H. Choi, R. Gupta, L. P. Safonova, L. A. Paunescu, A. Michalos and E. Gratton*. Functional Frequency-Domain Near-Infrared Spectroscopy Detects Fast Neuronal Signal in the Motor Cortex, NeuroImage 17(4), 1868-1875 (2002).

 

Wolf, M., U. Wolf, V. Toronov, A. Michalos, L. A. Paunescu, J.H. Choi and E. Gratton*.  Different time evolution of oxyhemoglobin and deoxyhemoglobin concentration changes in the visual and motor cortices during functional stimulation: A near-infrared spectroscopy study. NeuroImage 16, 704-712 (2002).

 

Morren, G., M. Wolf, P. Lemmerling, U. Wolf, J. H. Choi, E. Gratton, L. De Lathauwer, and S. Van Huffel. Extraction of fast neuronal changes from multichannel functional near-infrared spectroscopy signals using independent component analysis. Proc. SPIE 4623 , Functional Monitoring and Drug-Tissue Interaction. M. D. Kessler, G. J. Mueller; eds., 68-76 (2002).

 

Toronov, V., A. Webb, J-H. Choi, M. Wolf, and E. Gratton*. Simultaneous assessment of human brain functional hemodynamics by magnetic resonance and near-infrared imaging. Proc. SPIE 4320, Medical Imaging 2001: Physics of Medical Imaging. L. E. Antonuk, M. J. Yaffe, eds., 861-867 (2001).

 

Toronov, V. Y., A. G. Webb, J. H. Choi, M. Wolf, L. P. Safonova, U. Wolf, E. Gratton*. Functional cerebral activation detected by frequency-domain near-infrared spectroscopy. Proc. SPIE, Optical Technologies in Biophysics and Medicine III; aratov Fall Meeting, V. V. Tuchin; ed., Vol. 4707, 92-96 (2001).

 

Toronov, V., A. Webb, J-H. Choi, M. Wolf, L. Safonova, U. Wolf and E. Gratton*.  tudy of local cerebral hemodynamics by frequency-domain near-infrared spectroscopy and correlation with simultaneously acquired functional magnetic resonance imaging. Optics Express 9(8), 417-427 (2001).

 

Toronov, V., A. Webb, J. H. Choi, M. Wolf, A. Michalos, E. Gratton* and D. Hueber.  Investigation of human brain hemodynamics by simultaneous near-infrared spectroscopy and functional magnetic resonance imaging. Medical Physics 28(4) 21-527 (2001).

 

Toronov, V., A. Webb, J. H. Choi, M. Wolf, E. Gratton*, and D. M. Hueber. Simultaneous functional magnetic resonance and near-infrared imaging of adult human brain. Proc. SPIE 4320, Medical Imaging 2001: Physics of Medical Imaging. L. E. Antonuk, M. J. Yaffe, eds., 861-867 (2001).

 

Paunescu, L. A., A. Michalos, J. H. Choi, U. Wolf, M. Wolf, and E. Gratton*. In vitro correlation between reduced scattering coefficient and hemoglobin concentration of human blood determined by near-infrared spectroscopy. Proc. SPIE Proc. BIOS 2001; International Biomedical Optics Symposium. Optical Tomography and Spectroscopy of Tissue IV. B.Chance, R.R. Alfano, B.J. Tromberg, M. Tamura, E.M. Sevick-Muraca, eds., Vol. 4250, pp. 319-326 (2001).