Abstract

We report on multidistance time-resolved diffuse reflectance spectroscopy of the head of a healthy adult after intravenous administration of a bolus of indocyanine green. Intracerebral and extracerebral changes in absorption are deduced from moments (integral, mean time of flight, and variance) of the distributions of times of flight of photons (DTOFs), recorded simultaneously at four different source-detector separations. We calculate the sensitivity factors converting depth-dependent changes in absorption into changes of moments of DTOFs by Monte Carlo simulations by using a layered model of the head. We validate our method by analyzing moments of DTOFs simulated for the assumed changes in absorption in different layers of the head model.

© 2004 Optical Society of America

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    [CrossRef]
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    [CrossRef]
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    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
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    [PubMed]
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    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
  25. A. Liebert, H. Wabnitz, D. Grosenick, R. Macdonald, “Fiber dispersion in time domain measurements compromising the accuracy of determination of optical properties of strongly scattering media,” J. Biomed. Opt. 8, 512–516 (2003).
    [CrossRef] [PubMed]
  26. M. L. J. Landsman, G. Kwant, G. A. Mook, W. G. Zijlstra, “Light-absorbing properties, stability, and spectral stabilization of indocyanine green,” J. Appl. Physiol. 40, 575–583 (1976).
    [PubMed]

2003

F. Martelli, A. Sassaroli, S. Del Bianco, Y. Yamada, G. Zaccanti, “Solution of the time-dependent diffusion equation for layered diffusive media by the eigenfunction method,” Phys. Rev. E 67, 056623 (2003).
[CrossRef]

A. Liebert, H. Wabnitz, D. Grosenick, R. Macdonald, “Fiber dispersion in time domain measurements compromising the accuracy of determination of optical properties of strongly scattering media,” J. Biomed. Opt. 8, 512–516 (2003).
[CrossRef] [PubMed]

A. Liebert, H. Wabnitz, D. Grosenick, M. Möller, R. Macdonald, H. Rinneberg, “Evaluation of optical properties of highly scattering media using moments of distributions of times of flight of photons,” Appl. Opt. 42, 5785–5792 (2003).
[CrossRef] [PubMed]

2002

F. Gora, S. Shinde, C. E. Elwell, J. C. Goldstone, M. Cope, D. T. Delpy, M. Smith, “Noninvasive measurement of cerebral blood flow in adults using near-infrared spectroscopy and indocyanine green: a pilot study,” J. Neurosurg. Anesthesiol. 14, 218–222 (2002).
[CrossRef] [PubMed]

M. Kohl-Bareis, H. Obrig, J. Steinbrink, J. Malak, K. Uludag, A. Villringer, “Noninvasive monitoring of cerebral blood flow by a dye bolus method: separation of brain from skin and skull signals,” J. Biomed. Opt. 7, 464–470 (2002).
[CrossRef] [PubMed]

2001

R. Springett, Y. Sakata, D. T. Delpy, “Precise measurement of cerebral blood flow in newborn piglets from the bolus passage of indocyanine green,” Phys. Med. Biol. 46, 2209–2225 (2001).
[CrossRef] [PubMed]

T. Kusaka, K. Isobe, K. Nagano, K. Okubo, S. Yasuda, M. Kondo, S. Itoh, S. Onishi, “Estimation of regional cerebral blood flow distribution in infants by near-infrared topography using indocyanine green,” Neuroimage 13, 944–952 (2001).
[CrossRef] [PubMed]

J. Steinbrink, H. Wabnitz, H. Obrig, A. Villringer, H. Rinneberg, “Determining changes in NIR absorption by using a layered model of the human head,” Phys. Med. Biol. 46, 879–896 (2001).
[CrossRef] [PubMed]

2000

R. Boushel, H. Langberg, J. Olesen, M. Nowak, L. Simonsen, J. Bülow, M. Kjær, “Regional blood flow during exercise in humans measured by near-infrared spectroscopy and indocyanine green,” J. Appl. Physiol. 89, 1868–1878 (2000).
[PubMed]

J. M. Tualle, J. Prat, E. Tinet, S. Avrillier, “Real-space Green’s function calculation for the solution of the diffusion equation in stratified turbid media,” J. Opt. Soc. Am. A 17, 2046–2055 (2000).
[CrossRef]

1999

P. Hopton, T. S. Walsh, A. Lee, “Measurement of cerebral blood volume using near-infrared spectroscopy and indocyanine green elimination,” J. Appl. Physiol. 87, 1981–1987 (1999).
[PubMed]

V. Ntziachristos, X. H. Ma, A. G. Yodh, B. Chance, “Multichannel photon counting instrument for spatially resolved near-infrared spectroscopy,” Rev. Sci. Instrum. 70, 193–201 (1999).
[CrossRef]

1998

1997

1996

1993

M. Hiraoka, M. Firbank, M. Essenpreis, M. Cope, S. R. Arridge, P. van der Zee, D. T. Delpy, “A Monte Carlo investigation of optical path length in inhomogeneous tissue and its application to near-infrared spectroscopy,” Phys. Med. Biol. 38, 1859–1876 (1993).
[CrossRef] [PubMed]

1992

P. W. McCormick, M. Stewart, G. Lewis, M. Dujovny, J. I. Ausman, “Intracerebral penetration of infrared light,” J. Neurosurg. 76, 315–318 (1992).
[CrossRef] [PubMed]

S. R. Arridge, M. Cope, D. T. Delpy, “The theoretical basis of the determination of optical pathlengths in tissue: temporal and frequency analysis,” Phys. Med. Biol. 37, 1531–1560 (1992).
[CrossRef] [PubMed]

1989

1976

M. L. J. Landsman, G. Kwant, G. A. Mook, W. G. Zijlstra, “Light-absorbing properties, stability, and spectral stabilization of indocyanine green,” J. Appl. Physiol. 40, 575–583 (1976).
[PubMed]

Arridge, S. R.

E. Okada, M. Firbank, M. Schweiger, S. R. Arridge, M. Cope, D. T. Delpy, “Theoretical and experimental investigation of near-infrared light propagation in a model of the adult head,” Appl. Opt. 36, 21–31 (1997).
[CrossRef] [PubMed]

M. Hiraoka, M. Firbank, M. Essenpreis, M. Cope, S. R. Arridge, P. van der Zee, D. T. Delpy, “A Monte Carlo investigation of optical path length in inhomogeneous tissue and its application to near-infrared spectroscopy,” Phys. Med. Biol. 38, 1859–1876 (1993).
[CrossRef] [PubMed]

S. R. Arridge, M. Cope, D. T. Delpy, “The theoretical basis of the determination of optical pathlengths in tissue: temporal and frequency analysis,” Phys. Med. Biol. 37, 1531–1560 (1992).
[CrossRef] [PubMed]

Ausman, J. I.

P. W. McCormick, M. Stewart, G. Lewis, M. Dujovny, J. I. Ausman, “Intracerebral penetration of infrared light,” J. Neurosurg. 76, 315–318 (1992).
[CrossRef] [PubMed]

Avrillier, S.

Bays, R.

Boushel, R.

R. Boushel, H. Langberg, J. Olesen, M. Nowak, L. Simonsen, J. Bülow, M. Kjær, “Regional blood flow during exercise in humans measured by near-infrared spectroscopy and indocyanine green,” J. Appl. Physiol. 89, 1868–1878 (2000).
[PubMed]

Bülow, J.

R. Boushel, H. Langberg, J. Olesen, M. Nowak, L. Simonsen, J. Bülow, M. Kjær, “Regional blood flow during exercise in humans measured by near-infrared spectroscopy and indocyanine green,” J. Appl. Physiol. 89, 1868–1878 (2000).
[PubMed]

Chance, B.

Cope, M.

F. Gora, S. Shinde, C. E. Elwell, J. C. Goldstone, M. Cope, D. T. Delpy, M. Smith, “Noninvasive measurement of cerebral blood flow in adults using near-infrared spectroscopy and indocyanine green: a pilot study,” J. Neurosurg. Anesthesiol. 14, 218–222 (2002).
[CrossRef] [PubMed]

E. Okada, M. Firbank, M. Schweiger, S. R. Arridge, M. Cope, D. T. Delpy, “Theoretical and experimental investigation of near-infrared light propagation in a model of the adult head,” Appl. Opt. 36, 21–31 (1997).
[CrossRef] [PubMed]

M. Hiraoka, M. Firbank, M. Essenpreis, M. Cope, S. R. Arridge, P. van der Zee, D. T. Delpy, “A Monte Carlo investigation of optical path length in inhomogeneous tissue and its application to near-infrared spectroscopy,” Phys. Med. Biol. 38, 1859–1876 (1993).
[CrossRef] [PubMed]

S. R. Arridge, M. Cope, D. T. Delpy, “The theoretical basis of the determination of optical pathlengths in tissue: temporal and frequency analysis,” Phys. Med. Biol. 37, 1531–1560 (1992).
[CrossRef] [PubMed]

Del Bianco, S.

F. Martelli, A. Sassaroli, S. Del Bianco, Y. Yamada, G. Zaccanti, “Solution of the time-dependent diffusion equation for layered diffusive media by the eigenfunction method,” Phys. Rev. E 67, 056623 (2003).
[CrossRef]

Delpy, D. T.

F. Gora, S. Shinde, C. E. Elwell, J. C. Goldstone, M. Cope, D. T. Delpy, M. Smith, “Noninvasive measurement of cerebral blood flow in adults using near-infrared spectroscopy and indocyanine green: a pilot study,” J. Neurosurg. Anesthesiol. 14, 218–222 (2002).
[CrossRef] [PubMed]

R. Springett, Y. Sakata, D. T. Delpy, “Precise measurement of cerebral blood flow in newborn piglets from the bolus passage of indocyanine green,” Phys. Med. Biol. 46, 2209–2225 (2001).
[CrossRef] [PubMed]

M. Firbank, E. Okada, D. T. Delpy, “A theoretical study of the signal contribution of regions of the adult head to near-infrared spectroscopy studies of visual evoked responses,” Neuroimage 8, 69–78 (1998).
[CrossRef] [PubMed]

E. Okada, M. Firbank, M. Schweiger, S. R. Arridge, M. Cope, D. T. Delpy, “Theoretical and experimental investigation of near-infrared light propagation in a model of the adult head,” Appl. Opt. 36, 21–31 (1997).
[CrossRef] [PubMed]

M. Hiraoka, M. Firbank, M. Essenpreis, M. Cope, S. R. Arridge, P. van der Zee, D. T. Delpy, “A Monte Carlo investigation of optical path length in inhomogeneous tissue and its application to near-infrared spectroscopy,” Phys. Med. Biol. 38, 1859–1876 (1993).
[CrossRef] [PubMed]

S. R. Arridge, M. Cope, D. T. Delpy, “The theoretical basis of the determination of optical pathlengths in tissue: temporal and frequency analysis,” Phys. Med. Biol. 37, 1531–1560 (1992).
[CrossRef] [PubMed]

Dögnitz, N.

Dujovny, M.

P. W. McCormick, M. Stewart, G. Lewis, M. Dujovny, J. I. Ausman, “Intracerebral penetration of infrared light,” J. Neurosurg. 76, 315–318 (1992).
[CrossRef] [PubMed]

Elwell, C. E.

F. Gora, S. Shinde, C. E. Elwell, J. C. Goldstone, M. Cope, D. T. Delpy, M. Smith, “Noninvasive measurement of cerebral blood flow in adults using near-infrared spectroscopy and indocyanine green: a pilot study,” J. Neurosurg. Anesthesiol. 14, 218–222 (2002).
[CrossRef] [PubMed]

Essenpreis, M.

T. J. Farrell, M. S. Patterson, M. Essenpreis, “Influence of layered tissue architecture on estimates of tissue optical properties obtained from spatially resolved diffuse reflectometry,” Appl. Opt. 37, 1958–1972 (1998).
[CrossRef]

M. Hiraoka, M. Firbank, M. Essenpreis, M. Cope, S. R. Arridge, P. van der Zee, D. T. Delpy, “A Monte Carlo investigation of optical path length in inhomogeneous tissue and its application to near-infrared spectroscopy,” Phys. Med. Biol. 38, 1859–1876 (1993).
[CrossRef] [PubMed]

Fantini, S.

Farrell, T. J.

Firbank, M.

M. Firbank, E. Okada, D. T. Delpy, “A theoretical study of the signal contribution of regions of the adult head to near-infrared spectroscopy studies of visual evoked responses,” Neuroimage 8, 69–78 (1998).
[CrossRef] [PubMed]

E. Okada, M. Firbank, M. Schweiger, S. R. Arridge, M. Cope, D. T. Delpy, “Theoretical and experimental investigation of near-infrared light propagation in a model of the adult head,” Appl. Opt. 36, 21–31 (1997).
[CrossRef] [PubMed]

M. Hiraoka, M. Firbank, M. Essenpreis, M. Cope, S. R. Arridge, P. van der Zee, D. T. Delpy, “A Monte Carlo investigation of optical path length in inhomogeneous tissue and its application to near-infrared spectroscopy,” Phys. Med. Biol. 38, 1859–1876 (1993).
[CrossRef] [PubMed]

Franceschini, M. A.

Glanzmann, T.

Goetz, A. E.

W. M. Kuebler, A. Sckell, O. Habler, M. Kleen, G. E. H. Kuhnle, M. Welte, K. Messmer, A. E. Goetz, “Noninvasive measurement of regional cerebral blood flow by near-infrared spectroscopy and indocyanine green,” J. Cereb. Blood Flow and Metab. 18, 445–456 (1998).
[CrossRef]

Goldstone, J. C.

F. Gora, S. Shinde, C. E. Elwell, J. C. Goldstone, M. Cope, D. T. Delpy, M. Smith, “Noninvasive measurement of cerebral blood flow in adults using near-infrared spectroscopy and indocyanine green: a pilot study,” J. Neurosurg. Anesthesiol. 14, 218–222 (2002).
[CrossRef] [PubMed]

Gora, F.

F. Gora, S. Shinde, C. E. Elwell, J. C. Goldstone, M. Cope, D. T. Delpy, M. Smith, “Noninvasive measurement of cerebral blood flow in adults using near-infrared spectroscopy and indocyanine green: a pilot study,” J. Neurosurg. Anesthesiol. 14, 218–222 (2002).
[CrossRef] [PubMed]

Gratton, E.

Grosenick, D.

A. Liebert, H. Wabnitz, D. Grosenick, M. Möller, R. Macdonald, H. Rinneberg, “Evaluation of optical properties of highly scattering media using moments of distributions of times of flight of photons,” Appl. Opt. 42, 5785–5792 (2003).
[CrossRef] [PubMed]

A. Liebert, H. Wabnitz, D. Grosenick, R. Macdonald, “Fiber dispersion in time domain measurements compromising the accuracy of determination of optical properties of strongly scattering media,” J. Biomed. Opt. 8, 512–516 (2003).
[CrossRef] [PubMed]

Habler, O.

W. M. Kuebler, A. Sckell, O. Habler, M. Kleen, G. E. H. Kuhnle, M. Welte, K. Messmer, A. E. Goetz, “Noninvasive measurement of regional cerebral blood flow by near-infrared spectroscopy and indocyanine green,” J. Cereb. Blood Flow and Metab. 18, 445–456 (1998).
[CrossRef]

Hielscher, A. H.

Hiraoka, M.

M. Hiraoka, M. Firbank, M. Essenpreis, M. Cope, S. R. Arridge, P. van der Zee, D. T. Delpy, “A Monte Carlo investigation of optical path length in inhomogeneous tissue and its application to near-infrared spectroscopy,” Phys. Med. Biol. 38, 1859–1876 (1993).
[CrossRef] [PubMed]

Hopton, P.

P. Hopton, T. S. Walsh, A. Lee, “Measurement of cerebral blood volume using near-infrared spectroscopy and indocyanine green elimination,” J. Appl. Physiol. 87, 1981–1987 (1999).
[PubMed]

Isobe, K.

T. Kusaka, K. Isobe, K. Nagano, K. Okubo, S. Yasuda, M. Kondo, S. Itoh, S. Onishi, “Estimation of regional cerebral blood flow distribution in infants by near-infrared topography using indocyanine green,” Neuroimage 13, 944–952 (2001).
[CrossRef] [PubMed]

Itoh, S.

T. Kusaka, K. Isobe, K. Nagano, K. Okubo, S. Yasuda, M. Kondo, S. Itoh, S. Onishi, “Estimation of regional cerebral blood flow distribution in infants by near-infrared topography using indocyanine green,” Neuroimage 13, 944–952 (2001).
[CrossRef] [PubMed]

Jacques, S. L.

Kienle, A.

Kjær, M.

R. Boushel, H. Langberg, J. Olesen, M. Nowak, L. Simonsen, J. Bülow, M. Kjær, “Regional blood flow during exercise in humans measured by near-infrared spectroscopy and indocyanine green,” J. Appl. Physiol. 89, 1868–1878 (2000).
[PubMed]

Kleen, M.

W. M. Kuebler, A. Sckell, O. Habler, M. Kleen, G. E. H. Kuhnle, M. Welte, K. Messmer, A. E. Goetz, “Noninvasive measurement of regional cerebral blood flow by near-infrared spectroscopy and indocyanine green,” J. Cereb. Blood Flow and Metab. 18, 445–456 (1998).
[CrossRef]

Kohl-Bareis, M.

M. Kohl-Bareis, H. Obrig, J. Steinbrink, J. Malak, K. Uludag, A. Villringer, “Noninvasive monitoring of cerebral blood flow by a dye bolus method: separation of brain from skin and skull signals,” J. Biomed. Opt. 7, 464–470 (2002).
[CrossRef] [PubMed]

Kondo, M.

T. Kusaka, K. Isobe, K. Nagano, K. Okubo, S. Yasuda, M. Kondo, S. Itoh, S. Onishi, “Estimation of regional cerebral blood flow distribution in infants by near-infrared topography using indocyanine green,” Neuroimage 13, 944–952 (2001).
[CrossRef] [PubMed]

Kuebler, W. M.

W. M. Kuebler, A. Sckell, O. Habler, M. Kleen, G. E. H. Kuhnle, M. Welte, K. Messmer, A. E. Goetz, “Noninvasive measurement of regional cerebral blood flow by near-infrared spectroscopy and indocyanine green,” J. Cereb. Blood Flow and Metab. 18, 445–456 (1998).
[CrossRef]

Kuhnle, G. E. H.

W. M. Kuebler, A. Sckell, O. Habler, M. Kleen, G. E. H. Kuhnle, M. Welte, K. Messmer, A. E. Goetz, “Noninvasive measurement of regional cerebral blood flow by near-infrared spectroscopy and indocyanine green,” J. Cereb. Blood Flow and Metab. 18, 445–456 (1998).
[CrossRef]

Kusaka, T.

T. Kusaka, K. Isobe, K. Nagano, K. Okubo, S. Yasuda, M. Kondo, S. Itoh, S. Onishi, “Estimation of regional cerebral blood flow distribution in infants by near-infrared topography using indocyanine green,” Neuroimage 13, 944–952 (2001).
[CrossRef] [PubMed]

Kwant, G.

M. L. J. Landsman, G. Kwant, G. A. Mook, W. G. Zijlstra, “Light-absorbing properties, stability, and spectral stabilization of indocyanine green,” J. Appl. Physiol. 40, 575–583 (1976).
[PubMed]

Landsman, M. L. J.

M. L. J. Landsman, G. Kwant, G. A. Mook, W. G. Zijlstra, “Light-absorbing properties, stability, and spectral stabilization of indocyanine green,” J. Appl. Physiol. 40, 575–583 (1976).
[PubMed]

Langberg, H.

R. Boushel, H. Langberg, J. Olesen, M. Nowak, L. Simonsen, J. Bülow, M. Kjær, “Regional blood flow during exercise in humans measured by near-infrared spectroscopy and indocyanine green,” J. Appl. Physiol. 89, 1868–1878 (2000).
[PubMed]

Lee, A.

P. Hopton, T. S. Walsh, A. Lee, “Measurement of cerebral blood volume using near-infrared spectroscopy and indocyanine green elimination,” J. Appl. Physiol. 87, 1981–1987 (1999).
[PubMed]

Lewis, G.

P. W. McCormick, M. Stewart, G. Lewis, M. Dujovny, J. I. Ausman, “Intracerebral penetration of infrared light,” J. Neurosurg. 76, 315–318 (1992).
[CrossRef] [PubMed]

Liebert, A.

A. Liebert, H. Wabnitz, D. Grosenick, M. Möller, R. Macdonald, H. Rinneberg, “Evaluation of optical properties of highly scattering media using moments of distributions of times of flight of photons,” Appl. Opt. 42, 5785–5792 (2003).
[CrossRef] [PubMed]

A. Liebert, H. Wabnitz, D. Grosenick, R. Macdonald, “Fiber dispersion in time domain measurements compromising the accuracy of determination of optical properties of strongly scattering media,” J. Biomed. Opt. 8, 512–516 (2003).
[CrossRef] [PubMed]

Liu, H.

Ma, X. H.

V. Ntziachristos, X. H. Ma, A. G. Yodh, B. Chance, “Multichannel photon counting instrument for spatially resolved near-infrared spectroscopy,” Rev. Sci. Instrum. 70, 193–201 (1999).
[CrossRef]

Macdonald, R.

A. Liebert, H. Wabnitz, D. Grosenick, R. Macdonald, “Fiber dispersion in time domain measurements compromising the accuracy of determination of optical properties of strongly scattering media,” J. Biomed. Opt. 8, 512–516 (2003).
[CrossRef] [PubMed]

A. Liebert, H. Wabnitz, D. Grosenick, M. Möller, R. Macdonald, H. Rinneberg, “Evaluation of optical properties of highly scattering media using moments of distributions of times of flight of photons,” Appl. Opt. 42, 5785–5792 (2003).
[CrossRef] [PubMed]

Maier, J. S.

Malak, J.

M. Kohl-Bareis, H. Obrig, J. Steinbrink, J. Malak, K. Uludag, A. Villringer, “Noninvasive monitoring of cerebral blood flow by a dye bolus method: separation of brain from skin and skull signals,” J. Biomed. Opt. 7, 464–470 (2002).
[CrossRef] [PubMed]

Martelli, F.

F. Martelli, A. Sassaroli, S. Del Bianco, Y. Yamada, G. Zaccanti, “Solution of the time-dependent diffusion equation for layered diffusive media by the eigenfunction method,” Phys. Rev. E 67, 056623 (2003).
[CrossRef]

McCormick, P. W.

P. W. McCormick, M. Stewart, G. Lewis, M. Dujovny, J. I. Ausman, “Intracerebral penetration of infrared light,” J. Neurosurg. 76, 315–318 (1992).
[CrossRef] [PubMed]

Messmer, K.

W. M. Kuebler, A. Sckell, O. Habler, M. Kleen, G. E. H. Kuhnle, M. Welte, K. Messmer, A. E. Goetz, “Noninvasive measurement of regional cerebral blood flow by near-infrared spectroscopy and indocyanine green,” J. Cereb. Blood Flow and Metab. 18, 445–456 (1998).
[CrossRef]

Möller, M.

Mook, G. A.

M. L. J. Landsman, G. Kwant, G. A. Mook, W. G. Zijlstra, “Light-absorbing properties, stability, and spectral stabilization of indocyanine green,” J. Appl. Physiol. 40, 575–583 (1976).
[PubMed]

Nagano, K.

T. Kusaka, K. Isobe, K. Nagano, K. Okubo, S. Yasuda, M. Kondo, S. Itoh, S. Onishi, “Estimation of regional cerebral blood flow distribution in infants by near-infrared topography using indocyanine green,” Neuroimage 13, 944–952 (2001).
[CrossRef] [PubMed]

Nowak, M.

R. Boushel, H. Langberg, J. Olesen, M. Nowak, L. Simonsen, J. Bülow, M. Kjær, “Regional blood flow during exercise in humans measured by near-infrared spectroscopy and indocyanine green,” J. Appl. Physiol. 89, 1868–1878 (2000).
[PubMed]

Ntziachristos, V.

V. Ntziachristos, X. H. Ma, A. G. Yodh, B. Chance, “Multichannel photon counting instrument for spatially resolved near-infrared spectroscopy,” Rev. Sci. Instrum. 70, 193–201 (1999).
[CrossRef]

Obrig, H.

M. Kohl-Bareis, H. Obrig, J. Steinbrink, J. Malak, K. Uludag, A. Villringer, “Noninvasive monitoring of cerebral blood flow by a dye bolus method: separation of brain from skin and skull signals,” J. Biomed. Opt. 7, 464–470 (2002).
[CrossRef] [PubMed]

J. Steinbrink, H. Wabnitz, H. Obrig, A. Villringer, H. Rinneberg, “Determining changes in NIR absorption by using a layered model of the human head,” Phys. Med. Biol. 46, 879–896 (2001).
[CrossRef] [PubMed]

Okada, E.

M. Firbank, E. Okada, D. T. Delpy, “A theoretical study of the signal contribution of regions of the adult head to near-infrared spectroscopy studies of visual evoked responses,” Neuroimage 8, 69–78 (1998).
[CrossRef] [PubMed]

E. Okada, M. Firbank, M. Schweiger, S. R. Arridge, M. Cope, D. T. Delpy, “Theoretical and experimental investigation of near-infrared light propagation in a model of the adult head,” Appl. Opt. 36, 21–31 (1997).
[CrossRef] [PubMed]

Okubo, K.

T. Kusaka, K. Isobe, K. Nagano, K. Okubo, S. Yasuda, M. Kondo, S. Itoh, S. Onishi, “Estimation of regional cerebral blood flow distribution in infants by near-infrared topography using indocyanine green,” Neuroimage 13, 944–952 (2001).
[CrossRef] [PubMed]

Olesen, J.

R. Boushel, H. Langberg, J. Olesen, M. Nowak, L. Simonsen, J. Bülow, M. Kjær, “Regional blood flow during exercise in humans measured by near-infrared spectroscopy and indocyanine green,” J. Appl. Physiol. 89, 1868–1878 (2000).
[PubMed]

Onishi, S.

T. Kusaka, K. Isobe, K. Nagano, K. Okubo, S. Yasuda, M. Kondo, S. Itoh, S. Onishi, “Estimation of regional cerebral blood flow distribution in infants by near-infrared topography using indocyanine green,” Neuroimage 13, 944–952 (2001).
[CrossRef] [PubMed]

Patterson, M. S.

Paunescu, L. A.

Prat, J.

Rinneberg, H.

A. Liebert, H. Wabnitz, D. Grosenick, M. Möller, R. Macdonald, H. Rinneberg, “Evaluation of optical properties of highly scattering media using moments of distributions of times of flight of photons,” Appl. Opt. 42, 5785–5792 (2003).
[CrossRef] [PubMed]

J. Steinbrink, H. Wabnitz, H. Obrig, A. Villringer, H. Rinneberg, “Determining changes in NIR absorption by using a layered model of the human head,” Phys. Med. Biol. 46, 879–896 (2001).
[CrossRef] [PubMed]

Sakata, Y.

R. Springett, Y. Sakata, D. T. Delpy, “Precise measurement of cerebral blood flow in newborn piglets from the bolus passage of indocyanine green,” Phys. Med. Biol. 46, 2209–2225 (2001).
[CrossRef] [PubMed]

Sassaroli, A.

F. Martelli, A. Sassaroli, S. Del Bianco, Y. Yamada, G. Zaccanti, “Solution of the time-dependent diffusion equation for layered diffusive media by the eigenfunction method,” Phys. Rev. E 67, 056623 (2003).
[CrossRef]

Schweiger, M.

Sckell, A.

W. M. Kuebler, A. Sckell, O. Habler, M. Kleen, G. E. H. Kuhnle, M. Welte, K. Messmer, A. E. Goetz, “Noninvasive measurement of regional cerebral blood flow by near-infrared spectroscopy and indocyanine green,” J. Cereb. Blood Flow and Metab. 18, 445–456 (1998).
[CrossRef]

Shinde, S.

F. Gora, S. Shinde, C. E. Elwell, J. C. Goldstone, M. Cope, D. T. Delpy, M. Smith, “Noninvasive measurement of cerebral blood flow in adults using near-infrared spectroscopy and indocyanine green: a pilot study,” J. Neurosurg. Anesthesiol. 14, 218–222 (2002).
[CrossRef] [PubMed]

Simonsen, L.

R. Boushel, H. Langberg, J. Olesen, M. Nowak, L. Simonsen, J. Bülow, M. Kjær, “Regional blood flow during exercise in humans measured by near-infrared spectroscopy and indocyanine green,” J. Appl. Physiol. 89, 1868–1878 (2000).
[PubMed]

Smith, M.

F. Gora, S. Shinde, C. E. Elwell, J. C. Goldstone, M. Cope, D. T. Delpy, M. Smith, “Noninvasive measurement of cerebral blood flow in adults using near-infrared spectroscopy and indocyanine green: a pilot study,” J. Neurosurg. Anesthesiol. 14, 218–222 (2002).
[CrossRef] [PubMed]

Springett, R.

R. Springett, Y. Sakata, D. T. Delpy, “Precise measurement of cerebral blood flow in newborn piglets from the bolus passage of indocyanine green,” Phys. Med. Biol. 46, 2209–2225 (2001).
[CrossRef] [PubMed]

Steinbrink, J.

M. Kohl-Bareis, H. Obrig, J. Steinbrink, J. Malak, K. Uludag, A. Villringer, “Noninvasive monitoring of cerebral blood flow by a dye bolus method: separation of brain from skin and skull signals,” J. Biomed. Opt. 7, 464–470 (2002).
[CrossRef] [PubMed]

J. Steinbrink, H. Wabnitz, H. Obrig, A. Villringer, H. Rinneberg, “Determining changes in NIR absorption by using a layered model of the human head,” Phys. Med. Biol. 46, 879–896 (2001).
[CrossRef] [PubMed]

J. Steinbrink, “Near-infrared-spectroscopy on the adult human head with picosecond resolution” (in German), Ph.D. dissertation (Free University, Berlin, Germany, 2000).

Stewart, M.

P. W. McCormick, M. Stewart, G. Lewis, M. Dujovny, J. I. Ausman, “Intracerebral penetration of infrared light,” J. Neurosurg. 76, 315–318 (1992).
[CrossRef] [PubMed]

Tinet, E.

Tittel, F. K.

Tualle, J. M.

Uludag, K.

M. Kohl-Bareis, H. Obrig, J. Steinbrink, J. Malak, K. Uludag, A. Villringer, “Noninvasive monitoring of cerebral blood flow by a dye bolus method: separation of brain from skin and skull signals,” J. Biomed. Opt. 7, 464–470 (2002).
[CrossRef] [PubMed]

van den Bergh, H.

van der Zee, P.

M. Hiraoka, M. Firbank, M. Essenpreis, M. Cope, S. R. Arridge, P. van der Zee, D. T. Delpy, “A Monte Carlo investigation of optical path length in inhomogeneous tissue and its application to near-infrared spectroscopy,” Phys. Med. Biol. 38, 1859–1876 (1993).
[CrossRef] [PubMed]

Villringer, A.

M. Kohl-Bareis, H. Obrig, J. Steinbrink, J. Malak, K. Uludag, A. Villringer, “Noninvasive monitoring of cerebral blood flow by a dye bolus method: separation of brain from skin and skull signals,” J. Biomed. Opt. 7, 464–470 (2002).
[CrossRef] [PubMed]

J. Steinbrink, H. Wabnitz, H. Obrig, A. Villringer, H. Rinneberg, “Determining changes in NIR absorption by using a layered model of the human head,” Phys. Med. Biol. 46, 879–896 (2001).
[CrossRef] [PubMed]

Wabnitz, H.

A. Liebert, H. Wabnitz, D. Grosenick, R. Macdonald, “Fiber dispersion in time domain measurements compromising the accuracy of determination of optical properties of strongly scattering media,” J. Biomed. Opt. 8, 512–516 (2003).
[CrossRef] [PubMed]

A. Liebert, H. Wabnitz, D. Grosenick, M. Möller, R. Macdonald, H. Rinneberg, “Evaluation of optical properties of highly scattering media using moments of distributions of times of flight of photons,” Appl. Opt. 42, 5785–5792 (2003).
[CrossRef] [PubMed]

J. Steinbrink, H. Wabnitz, H. Obrig, A. Villringer, H. Rinneberg, “Determining changes in NIR absorption by using a layered model of the human head,” Phys. Med. Biol. 46, 879–896 (2001).
[CrossRef] [PubMed]

Wagnieres, G.

Wagnières, G.

Walsh, T. S.

P. Hopton, T. S. Walsh, A. Lee, “Measurement of cerebral blood volume using near-infrared spectroscopy and indocyanine green elimination,” J. Appl. Physiol. 87, 1981–1987 (1999).
[PubMed]

Welte, M.

W. M. Kuebler, A. Sckell, O. Habler, M. Kleen, G. E. H. Kuhnle, M. Welte, K. Messmer, A. E. Goetz, “Noninvasive measurement of regional cerebral blood flow by near-infrared spectroscopy and indocyanine green,” J. Cereb. Blood Flow and Metab. 18, 445–456 (1998).
[CrossRef]

Wilson, B. C.

Yamada, Y.

F. Martelli, A. Sassaroli, S. Del Bianco, Y. Yamada, G. Zaccanti, “Solution of the time-dependent diffusion equation for layered diffusive media by the eigenfunction method,” Phys. Rev. E 67, 056623 (2003).
[CrossRef]

Yasuda, S.

T. Kusaka, K. Isobe, K. Nagano, K. Okubo, S. Yasuda, M. Kondo, S. Itoh, S. Onishi, “Estimation of regional cerebral blood flow distribution in infants by near-infrared topography using indocyanine green,” Neuroimage 13, 944–952 (2001).
[CrossRef] [PubMed]

Yodh, A. G.

V. Ntziachristos, X. H. Ma, A. G. Yodh, B. Chance, “Multichannel photon counting instrument for spatially resolved near-infrared spectroscopy,” Rev. Sci. Instrum. 70, 193–201 (1999).
[CrossRef]

Zaccanti, G.

F. Martelli, A. Sassaroli, S. Del Bianco, Y. Yamada, G. Zaccanti, “Solution of the time-dependent diffusion equation for layered diffusive media by the eigenfunction method,” Phys. Rev. E 67, 056623 (2003).
[CrossRef]

Zijlstra, W. G.

M. L. J. Landsman, G. Kwant, G. A. Mook, W. G. Zijlstra, “Light-absorbing properties, stability, and spectral stabilization of indocyanine green,” J. Appl. Physiol. 40, 575–583 (1976).
[PubMed]

Appl. Opt.

M. S. Patterson, B. Chance, B. C. Wilson, “Time-resolved reflectance and transmittance for the noninvasive measurement of tissue optical properties,” Appl. Opt. 28, 2331–2336 (1989).
[CrossRef] [PubMed]

T. J. Farrell, M. S. Patterson, M. Essenpreis, “Influence of layered tissue architecture on estimates of tissue optical properties obtained from spatially resolved diffuse reflectometry,” Appl. Opt. 37, 1958–1972 (1998).
[CrossRef]

A. Kienle, T. Glanzmann, G. Wagnieres, H. van den Bergh, “Investigation of two-layered turbid media with time-resolved reflectance,” Appl. Opt. 37, 6852–6862 (1998).
[CrossRef]

M. A. Franceschini, S. Fantini, L. A. Paunescu, J. S. Maier, E. Gratton, “Influence of a superficial layer in the quantitative spectroscopic study of strongly scattering media,” Appl. Opt. 37, 7447–7458 (1998).
[CrossRef]

A. H. Hielscher, H. Liu, B. Chance, F. K. Tittel, S. L. Jacques, “Time-resolved photon emission from layered turbid media,” Appl. Opt. 35, 719–728 (1996).
[CrossRef] [PubMed]

E. Okada, M. Firbank, M. Schweiger, S. R. Arridge, M. Cope, D. T. Delpy, “Theoretical and experimental investigation of near-infrared light propagation in a model of the adult head,” Appl. Opt. 36, 21–31 (1997).
[CrossRef] [PubMed]

A. Kienle, M. S. Patterson, N. Dögnitz, R. Bays, G. Wagnières, H. van den Bergh, “Noninvasive determination of the optical properties of two-layered turbid media,” Appl. Opt. 37, 779–791 (1998).
[CrossRef]

A. Liebert, H. Wabnitz, D. Grosenick, M. Möller, R. Macdonald, H. Rinneberg, “Evaluation of optical properties of highly scattering media using moments of distributions of times of flight of photons,” Appl. Opt. 42, 5785–5792 (2003).
[CrossRef] [PubMed]

J. Appl. Physiol.

R. Boushel, H. Langberg, J. Olesen, M. Nowak, L. Simonsen, J. Bülow, M. Kjær, “Regional blood flow during exercise in humans measured by near-infrared spectroscopy and indocyanine green,” J. Appl. Physiol. 89, 1868–1878 (2000).
[PubMed]

P. Hopton, T. S. Walsh, A. Lee, “Measurement of cerebral blood volume using near-infrared spectroscopy and indocyanine green elimination,” J. Appl. Physiol. 87, 1981–1987 (1999).
[PubMed]

M. L. J. Landsman, G. Kwant, G. A. Mook, W. G. Zijlstra, “Light-absorbing properties, stability, and spectral stabilization of indocyanine green,” J. Appl. Physiol. 40, 575–583 (1976).
[PubMed]

J. Biomed. Opt.

A. Liebert, H. Wabnitz, D. Grosenick, R. Macdonald, “Fiber dispersion in time domain measurements compromising the accuracy of determination of optical properties of strongly scattering media,” J. Biomed. Opt. 8, 512–516 (2003).
[CrossRef] [PubMed]

M. Kohl-Bareis, H. Obrig, J. Steinbrink, J. Malak, K. Uludag, A. Villringer, “Noninvasive monitoring of cerebral blood flow by a dye bolus method: separation of brain from skin and skull signals,” J. Biomed. Opt. 7, 464–470 (2002).
[CrossRef] [PubMed]

J. Cereb. Blood Flow and Metab.

W. M. Kuebler, A. Sckell, O. Habler, M. Kleen, G. E. H. Kuhnle, M. Welte, K. Messmer, A. E. Goetz, “Noninvasive measurement of regional cerebral blood flow by near-infrared spectroscopy and indocyanine green,” J. Cereb. Blood Flow and Metab. 18, 445–456 (1998).
[CrossRef]

J. Neurosurg.

P. W. McCormick, M. Stewart, G. Lewis, M. Dujovny, J. I. Ausman, “Intracerebral penetration of infrared light,” J. Neurosurg. 76, 315–318 (1992).
[CrossRef] [PubMed]

J. Neurosurg. Anesthesiol.

F. Gora, S. Shinde, C. E. Elwell, J. C. Goldstone, M. Cope, D. T. Delpy, M. Smith, “Noninvasive measurement of cerebral blood flow in adults using near-infrared spectroscopy and indocyanine green: a pilot study,” J. Neurosurg. Anesthesiol. 14, 218–222 (2002).
[CrossRef] [PubMed]

J. Opt. Soc. Am. A

Neuroimage

T. Kusaka, K. Isobe, K. Nagano, K. Okubo, S. Yasuda, M. Kondo, S. Itoh, S. Onishi, “Estimation of regional cerebral blood flow distribution in infants by near-infrared topography using indocyanine green,” Neuroimage 13, 944–952 (2001).
[CrossRef] [PubMed]

M. Firbank, E. Okada, D. T. Delpy, “A theoretical study of the signal contribution of regions of the adult head to near-infrared spectroscopy studies of visual evoked responses,” Neuroimage 8, 69–78 (1998).
[CrossRef] [PubMed]

Phys. Med. Biol.

R. Springett, Y. Sakata, D. T. Delpy, “Precise measurement of cerebral blood flow in newborn piglets from the bolus passage of indocyanine green,” Phys. Med. Biol. 46, 2209–2225 (2001).
[CrossRef] [PubMed]

J. Steinbrink, H. Wabnitz, H. Obrig, A. Villringer, H. Rinneberg, “Determining changes in NIR absorption by using a layered model of the human head,” Phys. Med. Biol. 46, 879–896 (2001).
[CrossRef] [PubMed]

S. R. Arridge, M. Cope, D. T. Delpy, “The theoretical basis of the determination of optical pathlengths in tissue: temporal and frequency analysis,” Phys. Med. Biol. 37, 1531–1560 (1992).
[CrossRef] [PubMed]

M. Hiraoka, M. Firbank, M. Essenpreis, M. Cope, S. R. Arridge, P. van der Zee, D. T. Delpy, “A Monte Carlo investigation of optical path length in inhomogeneous tissue and its application to near-infrared spectroscopy,” Phys. Med. Biol. 38, 1859–1876 (1993).
[CrossRef] [PubMed]

Phys. Rev. E

F. Martelli, A. Sassaroli, S. Del Bianco, Y. Yamada, G. Zaccanti, “Solution of the time-dependent diffusion equation for layered diffusive media by the eigenfunction method,” Phys. Rev. E 67, 056623 (2003).
[CrossRef]

Rev. Sci. Instrum.

V. Ntziachristos, X. H. Ma, A. G. Yodh, B. Chance, “Multichannel photon counting instrument for spatially resolved near-infrared spectroscopy,” Rev. Sci. Instrum. 70, 193–201 (1999).
[CrossRef]

Other

J. Steinbrink, “Near-infrared-spectroscopy on the adult human head with picosecond resolution” (in German), Ph.D. dissertation (Free University, Berlin, Germany, 2000).

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