B.Sc. (Physics) Imperial College, London, UK (1981). Ph.D. (Astronomy) Imperial College, London, UK (1984).

Optical imaging through turbulent and dense random media. Time-of-flight measurement and imaging applications. Development and application of Optical Tomography and Topography. Medical and astronomical imaging methods and systems.

Chitnis, D., Cooper, R. J., Dempsey, L., Powell, S., Quaggia, S., Highton, D., . . . Everdell, N. L. (2016). Functional imaging of the human brain using a modular, fibre-less, high-density diffuse optical tomography system. BIOMEDICAL OPTICS EXPRESS, 7 (10), 4275-4288. doi:10.1364/BOE.7.004275 Chalia, M., Lee, C. W., Dempsey, L., Edwards, A. D., Singh, H., Michell, A. W., . . . Cooper, R. (2016). Haemodynamic response to burst-suppressed and discontinuous electroencephalography activity in infants with hypoxic ischaemic encephalopathy. Neurophotonics, 3 (3), 031408. doi:10.1117/1.NPh.3.3.031408 Chalia, M., Lee, C. W., Dempsey, L. A., Edwards, A. D., Singh, H., Michell, A. W., . . . Cooper, R. J. (2016). Hemodynamic response to burst-suppressed and discontinuous electroencephalography activity in infants with hypoxic ischemic encephalopathy (vol 3, 031408, 2016). NEUROPHOTONICS, 3 (3), ARTN 039802. doi:10.1117/1.NPh.3.3.039802 Chitnis, D., Airantzis, D., Highton, D., Williams, R., Phan, P., Giagka, V., . . . Everdell, N. (2016). Towards a wearable near infrared spectroscopic probe for monitoring concentrations of multiple chromophores in biological tissue in vivo. Review of Scientific Instruments. doi:10.1063/1.4954722 Dempsey, L. A., Cooper, R. J., Roque, T., Correia, T., Magee, E., Powell, S., . . . Hebden, J. C. (2015). Data-driven approach to optimum wavelength selection for diffuse optical imaging. J Biomed Opt, 20 (1), 016003-?. doi:10.1117/1.JBO.20.1.016003 Powell, S., Cooper, R. J., Hebden, J. C., & Arridge, S. R. (2015). Dynamic image reconstruction in time-resolved diffuse optical tomography. OPTICAL TOMOGRAPHY AND SPECTROSCOPY OF TISSUE XI, 9319. SPIE-INT SOC OPTICAL ENGINEERING. doi:10.1117/12.2077465 Soto Astorga, R. (2015). Haemoglobin sensing with optical spectroscopy during minimally invasive procedures (Doctoral dissertation). University College London. Hebden, J. C., Alkhaja, A., Mahe, L., Powell, S., & Everdell, N. L. (2015). Measurement of contrast of phantom and in vivo subsurface blood vessels using two near-infrared imaging systems. OPTICAL DIAGNOSTICS AND SENSING XV: TOWARD POINT-OF-CARE DIAGNOSTICS, 9332. SPIE-INT SOC OPTICAL ENGINEERING. doi:10.1117/12.2084673 Dempsey, L. A., Cooper, R. J., Powell, S., Edwards, A., Lee, C. -. W., Brigadoi, S., . . . Hebden, J. C. (2015). Whole-head functional brain imaging of neonates at cot-side using time-resolved diffuse optical tomography. DIFFUSE OPTICAL IMAGING V, 9538. SPIE-INT SOC OPTICAL ENGINEERING. doi:10.1117/12.2190420 Cooper, R. J., Magee, E., Everdell, N., Magazov, S., Varela, M., Airantzis, D., . . . Hebden, J. C. (2014). MONSTIR II: a 32-channel, multispectral, time-resolved optical tomography system for neonatal brain imaging. Rev Sci Instrum, 85 (5), 053105-?. doi:10.1063/1.4875593 Powell, S. (2014). Forward models and image reconstruction in ultrasound modulated optical tomography (Doctoral dissertation). UCL (University College London). Soto-Astorga, R. P., West, S., Putnis, S., Hebden, J. C., & Desjardins, A. E. (2013). Epidural catheter with integrated light guides for spectroscopic tissue characterization. Biomedical Optics Express, 4 (11), 2619-2628. doi:10.1364/BOE.4.002619 Enfield, L. C., Hebden, J. C., & Gibson, A. P. (2013). The reproducibility of optical mammography in healthy volunteers. Phys Med Biol, 58 (13), 4579-4594. doi:10.1088/0031-9155/58/13/4579 Abreu de Souza, M., Robson, S., & Hebden, J. C. (2012). A Photogrammetric Technique for Acquiring Accurate Head Surfaces of Newborn Infants for Optical Tomography Under Clinical Conditions. Photogrammetric Record, 27 (139), 253-271. doi:10.1111/j.1477-9730.2012.00686.x Hebden, J. C., Varela, M., Magazov, S., Everdell, N., Gibson, A., Meek, J., & Austin, T. (2012). Diffuse optical imaging of the newborn infant brain. ISBI, 503-505. IEEE. doi:10.1109/ISBI.2012.6235595 Hebden, J. C., Cooper, R. J., Gibson, A., Everdell, N., & Austin, T. (2012). Simultaneous EEG and diffuse optical imaging of seizure-related hemodynamic activity in the newborn infant brain. Progress in Biomedical Optics and Imaging - Proceedings of SPIE, 8427. doi:10.1117/12.922990 Correia, T., Lloyd-Fox, S., Everdell, N., Blasi, A., Elwell, C., Hebden, J. C., & Gibson, A. (2012). Three-dimensional optical topography of brain activity in infants watching videos of human movement. Phys Med Biol, 57 (5), 1135-1146. doi:10.1088/0031-9155/57/5/1135 Enfield, L. C., Cantanhede, G., Westbroek, D., Douek, M., Purushotham, A. D., Hebden, J. C., & Gibson, A. P. (2011). Monitoring the response to primary medical therapy for breast cancer using three- dimensional time-resolved optical mammography. Technol Cancer Res Treat, 10 (6), 533-547. Cooper, R. J., Hebden, J. C., O'Reilly, H., Mitra, S., Michell, A. W., Everdell, N. L., . . . Austin, T. (2011). Transient haemodynamic events in neurologically compromised infants: a simultaneous EEG and diffuse optical imaging study. Neuroimage, 55 (4), 1610-1616. doi:10.1016/j.neuroimage.2011.01.022 Cooper, R. J., Eames, R., Brunker, J., Enfield, L. C., Gibson, A. P., & Hebden, J. C. (2010). A tissue equivalent phantom for simultaneous near-infrared optical tomography and EEG. Biomed Opt Express, 1 (2), 425-430. doi:10.1364/BOE.1.000425 Reid, C. B., Pickwell-MacPherson, E., Laufer, J. G., Gibson, A. P., Hebden, J. C., & Wallace, V. P. (2010). Accuracy and resolution of THz reflection spectroscopy for medical imaging. Phys Med Biol, 55 (16), 4825-4838. doi:10.1088/0031-9155/55/16/013 Correia, T., Gibson, A., & Hebden, J. C. (2010). Identification of the optimal wavelengths for optical topography: a photon measurement density function analysis. Journal of Biomedical Optics, 15, 056002. doi:10.1117/1.3484747 Enfield, L. C., Cantanhede, G., Gibson, A. P., Hebden, J. C., Douek, M., & Purushotham, A. (2010). Monitoring Primary Medical Therapy with Three-Dimensional Optical Mammography. CANCER RESEARCH, 70. doi:10.1158/0008-5472.SABCS10-P5-01-11 Correia, T., Banga, A., Everdell, N. L., Gibson, A. P., & Hebden, J. C. (2009). A quantitative assessment of the depth sensitivity of an optical topography system using a solid dynamic tissue-phantom. PHYSICS IN MEDICINE AND BIOLOGY, 54 (20), 6277-6286. doi:10.1088/0031-9155/54/20/016 Cooper, R. J., Bhatt, D., Everdell, N. L., & Hebden, J. C. (2009). A tissue-like optically turbid and electrically conducting phantom for simultaneous EEG and near-infrared imaging. PHYSICS IN MEDICINE AND BIOLOGY, 54 (18), N403-N408. IOP PUBLISHING LTD. doi:10.1088/0031-9155/54/18/N01