Abstract

An optical lever was designed for studying physical displacements associated with electrophysiological activation of lobster nerve bundles. Stimulation current pulses generated a compound action potential volley, and upward physical displacements of <1 nm were recorded. The swelling displacement propagated in the same direction as the action potential volley, occurred simultaneously with the action potentials, and required 10 ms to relax after the electrical potential was restored. For comparison with previous reports, we also recorded the displacement of Nitella internodes associated with electrical stimulation. We found that a rapid swelling displacement (∼10 nm) was followed by a larger, slow-shrinking displacement (∼100 nm).

© 2003 Optical Society of America

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    [PubMed]
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    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
  24. A. Watanabe, “Optical activity signal recorded from nerve fibers using a photoelastic modulator,” Biomed. Res. (Suppl.) 7, 21–25 (1986).
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  26. I. Tasaki, P. M. Byrne, “The origin of rapid change in birefringence, light scattering and dye absorbance associated with excitation of nerve fibers,” Jpn. J. Physiol. 43, (Suppl) 1, 67–75 (1993).
  27. F. Conti, I. Tasaki, E. Wanke, “Fluorescence signals in ANS-stained squid giant axons during voltage clamp,” Biophysik 8, 58–70 (1971).
    [CrossRef]
  28. I. Tasaki, A. Watanabe, M. Hallett, “Fluorescence of squid axon membrane labeled with hydrophobic probes,” J. Membrane Biol. 8, 109–132 (1972).
    [CrossRef]
  29. L. J. Mullins, “Efflux of chloride ions during the action potential of Nitella,” Nature 196, 986–987 (1962).
    [CrossRef] [PubMed]
  30. R. Wayne, “Excitability in plant cells,” Am. Scientist 81, 140–151 (1993).
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    [CrossRef] [PubMed]
  32. I. Tasaki, “Spread of discrete structural changes in a synthetic polyanionic gel: a model of propagation of a nerve impulse,” J. Theor. Biol. 218, 497–505 (2002).
    [PubMed]
  33. J. Mosbacher, M. Langer, J. K. H. Horber, F. Sachs, “Voltage-dependent membrane displacements measured with atomic force microscopy.” J. Gen. Physiol. 111, 65–74 (1998).
    [CrossRef] [PubMed]
  34. J. Steinbrink, M. Kohl, H. Obrig, G. Curio, F. Syre, F. Thomas, H. Wabnitz, H. Rinneberg, A. Villringer, “Somatosensory evoked fast optical intensity changes detected non-invasively in the adult human head,” Neurosci. Lett. 291, 105–108 (2000).
    [CrossRef] [PubMed]

2002 (2)

M. Wolf, U. Wolf, V. Toronov, A. Michalos, L. A. Paunescu, J.-H. Choi, 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)
[CrossRef] [PubMed]

I. Tasaki, “Spread of discrete structural changes in a synthetic polyanionic gel: a model of propagation of a nerve impulse,” J. Theor. Biol. 218, 497–505 (2002).
[PubMed]

2001 (3)

G. Gratton, M. Fabiani, “The event-related optical signal: a new tool for studying brain function,” Int. J. Psychophysiol. 42, 15–27 (2001)
[CrossRef]

D. M. Rector, R. F. Rogers, J. S. Schwaber, R. M. Harper, J. S. George, “Scattered-light imaging in vivo tracks fast and slow processes of neurophysiological activation,” Neuroimage 14, 977–994 (2001).
[CrossRef] [PubMed]

A. Darquie, J.-B. Poline, C. Poupon, H. Saint-Jalmes, D. Le Bihan, “Transient decrease in water diffusion observed in human occipital cortex during visual stimulation,” Proc. Nat. Acad. Sci. USA. 98, 9391–9395 (2001).
[CrossRef] [PubMed]

2000 (2)

M. Kohl, U. Lindauer, G. Royl, M. Kuhl, L. Gold, A. Villringer, U. Dirnagl, “Physical model for the spectroscopic analysis of cortical intrinsic optical signals,” Phys. Med. Biol. 45, 3749–3764 (2000).
[CrossRef] [PubMed]

J. Steinbrink, M. Kohl, H. Obrig, G. Curio, F. Syre, F. Thomas, H. Wabnitz, H. Rinneberg, A. Villringer, “Somatosensory evoked fast optical intensity changes detected non-invasively in the adult human head,” Neurosci. Lett. 291, 105–108 (2000).
[CrossRef] [PubMed]

1999 (2)

I. Tasaki, “Rapid structural changes in nerve fibers and cells associated with their excitation processes,” Jpn. J. Physiol. 49, 125–138 (1999).
[CrossRef] [PubMed]

D. M. Rector, R. F. Rogers, J. S. George, “A focusing image probe for assessing neural activity in vivo,” J. Neurosci. Methods 91, 135–145 (1999).
[CrossRef] [PubMed]

1998 (2)

J. Mosbacher, M. Langer, J. K. H. Horber, F. Sachs, “Voltage-dependent membrane displacements measured with atomic force microscopy.” J. Gen. Physiol. 111, 65–74 (1998).
[CrossRef] [PubMed]

R. Oldenbourg, E. D. Salmon, P. T. Tran, “Birefringence of single and bundle microtubules,” Biophys. J. 74, 645–654 (1998).
[CrossRef] [PubMed]

1997 (2)

D. M. Rector, G. R. Poe, M. P. Kristensen, R. M. Harper, “Light scattering changes follow evoked potentials from hippocampal Schaeffer collateral stimulation,” J. Neurophysiol. 78, 1707–1713 (1997).
[PubMed]

D. W. Hochman, “Intrinsic optical changes in neuronal tissue: basic mechanisms,” Neurosurg. Clin. N. Am. 8, 393–412 (1997).
[PubMed]

1993 (2)

I. Tasaki, P. M. Byrne, “The origin of rapid change in birefringence, light scattering and dye absorbance associated with excitation of nerve fibers,” Jpn. J. Physiol. 43, (Suppl) 1, 67–75 (1993).

R. Wayne, “Excitability in plant cells,” Am. Scientist 81, 140–151 (1993).

1992 (1)

I. Tasaki, P. M. Byrne, “Rapid structural changes in nerve fibers evoked by electric current pulses,” Biochem. Biophys. Res. Commun. 188, 559–564 (1992).
[CrossRef] [PubMed]

1991 (2)

I. Tasaki, P. M. Byrne, “Demonstration of heat production associated with spreading depression in the amphibian retina,” Biochem. Biophys. Res. Commun. 174, 293–297 (1991).
[CrossRef] [PubMed]

I. Tasaki, P. M. Byrne, “Thermal and mechanical responses of the amphibian skin to nerve stimulation,” Jpn. J. Physiol. 41, 576–576 (1991).
[CrossRef]

1986 (2)

A. Watanabe, “Optical activity signal recorded from nerve fibers using a photoelastic modulator,” Biomed. Res. (Suppl.) 7, 21–25 (1986).

A Watanabe, “Mechanical, thermal, and optical changes of the nerve membrane associated with excitation,” Jpn. J. Physiol. 36, 625–643 (1986).
[CrossRef] [PubMed]

1983 (1)

D. Landowne, J. B. Larsen, R. T. Taylor, “Colchicine alters the nerve birefringence response,” Science 220, 953–954 (1983).
[CrossRef] [PubMed]

1982 (1)

I. Tasaki, K. Iwasa, “Further studies of rapid mechanical changes in squid giant axon associated with action potential production,” Jpn. J. Physiol. 32, 505–518 (1982).
[CrossRef] [PubMed]

1980 (1)

K. Iwasa, I. Tasaki, R. C. Gibbons, “Swelling of nerve fibers associated with action potentials,” Science 210, 338–339 (1980).
[CrossRef] [PubMed]

1976 (1)

I. Tasaki, A. Warashina, H. Pant, “Studies of light emission, absorption and energy transfer in nerve membranes labeled with flourescent probes,” Biophys Chem. 4, 1–13 (1976).
[CrossRef] [PubMed]

1973 (1)

L. B. Cohen, “Changes in neuron structure during action potential propagation and synaptic transmission,” Physiol. Rev. 53, 373–418 (1973).
[PubMed]

1972 (2)

L. B. Cohen, R. D. Keynes, L. Landowne, “Changes in light scattering that accompany the action potential in squid giant axons: potential-dependent components,” J. Physiol. (Lond) 224, 701–725 (1972).

I. Tasaki, A. Watanabe, M. Hallett, “Fluorescence of squid axon membrane labeled with hydrophobic probes,” J. Membrane Biol. 8, 109–132 (1972).
[CrossRef]

1971 (2)

F. Conti, I. Tasaki, E. Wanke, “Fluorescence signals in ANS-stained squid giant axons during voltage clamp,” Biophysik 8, 58–70 (1971).
[CrossRef]

L. B. Cohen, R. D. Keynes, “Changes in light scattering associated with the action potential in crab nerves,” J. Physiol. (Lond) 212, 259–275 (1971).

1968 (2)

L. B. Cohen, R. D. Keynes, B. Hille, “Light scattering and birefringence changes during nerve activity,” Nature 218, 438–441 (1968).
[CrossRef] [PubMed]

R. Sandlin, L. Lerman, W. Barry, I. Tasaki, “Application of interferometry to physiological studies of excitable tissue,” Nature 217, 575–576 (1968).
[CrossRef] [PubMed]

1962 (1)

L. J. Mullins, “Efflux of chloride ions during the action potential of Nitella,” Nature 196, 986–987 (1962).
[CrossRef] [PubMed]

1950 (1)

D. K. Hill, “The volume changes resulting from stimulation of a giant nerve fiber,” J. Physiol. (Lond) 111, 304–327 (1950)

1949 (1)

D. K. Hill, R. D. Keynes, “Opacity changes in stimulated nerve fiber,” J. Physiol. (Lond.) 108, 278–281 (1949).

Barry, W.

R. Sandlin, L. Lerman, W. Barry, I. Tasaki, “Application of interferometry to physiological studies of excitable tissue,” Nature 217, 575–576 (1968).
[CrossRef] [PubMed]

Byrne, P. M.

I. Tasaki, P. M. Byrne, “The origin of rapid change in birefringence, light scattering and dye absorbance associated with excitation of nerve fibers,” Jpn. J. Physiol. 43, (Suppl) 1, 67–75 (1993).

I. Tasaki, P. M. Byrne, “Rapid structural changes in nerve fibers evoked by electric current pulses,” Biochem. Biophys. Res. Commun. 188, 559–564 (1992).
[CrossRef] [PubMed]

I. Tasaki, P. M. Byrne, “Thermal and mechanical responses of the amphibian skin to nerve stimulation,” Jpn. J. Physiol. 41, 576–576 (1991).
[CrossRef]

I. Tasaki, P. M. Byrne, “Demonstration of heat production associated with spreading depression in the amphibian retina,” Biochem. Biophys. Res. Commun. 174, 293–297 (1991).
[CrossRef] [PubMed]

Choi, J.-H.

M. Wolf, U. Wolf, V. Toronov, A. Michalos, L. A. Paunescu, J.-H. Choi, 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)
[CrossRef] [PubMed]

Cohen, L. B.

L. B. Cohen, “Changes in neuron structure during action potential propagation and synaptic transmission,” Physiol. Rev. 53, 373–418 (1973).
[PubMed]

L. B. Cohen, R. D. Keynes, L. Landowne, “Changes in light scattering that accompany the action potential in squid giant axons: potential-dependent components,” J. Physiol. (Lond) 224, 701–725 (1972).

L. B. Cohen, R. D. Keynes, “Changes in light scattering associated with the action potential in crab nerves,” J. Physiol. (Lond) 212, 259–275 (1971).

L. B. Cohen, R. D. Keynes, B. Hille, “Light scattering and birefringence changes during nerve activity,” Nature 218, 438–441 (1968).
[CrossRef] [PubMed]

Conti, F.

F. Conti, I. Tasaki, E. Wanke, “Fluorescence signals in ANS-stained squid giant axons during voltage clamp,” Biophysik 8, 58–70 (1971).
[CrossRef]

Curio, G.

J. Steinbrink, M. Kohl, H. Obrig, G. Curio, F. Syre, F. Thomas, H. Wabnitz, H. Rinneberg, A. Villringer, “Somatosensory evoked fast optical intensity changes detected non-invasively in the adult human head,” Neurosci. Lett. 291, 105–108 (2000).
[CrossRef] [PubMed]

Darquie, A.

A. Darquie, J.-B. Poline, C. Poupon, H. Saint-Jalmes, D. Le Bihan, “Transient decrease in water diffusion observed in human occipital cortex during visual stimulation,” Proc. Nat. Acad. Sci. USA. 98, 9391–9395 (2001).
[CrossRef] [PubMed]

Dirnagl, U.

M. Kohl, U. Lindauer, G. Royl, M. Kuhl, L. Gold, A. Villringer, U. Dirnagl, “Physical model for the spectroscopic analysis of cortical intrinsic optical signals,” Phys. Med. Biol. 45, 3749–3764 (2000).
[CrossRef] [PubMed]

Fabiani, M.

G. Gratton, M. Fabiani, “The event-related optical signal: a new tool for studying brain function,” Int. J. Psychophysiol. 42, 15–27 (2001)
[CrossRef]

George, J. S.

D. M. Rector, R. F. Rogers, J. S. Schwaber, R. M. Harper, J. S. George, “Scattered-light imaging in vivo tracks fast and slow processes of neurophysiological activation,” Neuroimage 14, 977–994 (2001).
[CrossRef] [PubMed]

D. M. Rector, R. F. Rogers, J. S. George, “A focusing image probe for assessing neural activity in vivo,” J. Neurosci. Methods 91, 135–145 (1999).
[CrossRef] [PubMed]

Gibbons, R. C.

K. Iwasa, I. Tasaki, R. C. Gibbons, “Swelling of nerve fibers associated with action potentials,” Science 210, 338–339 (1980).
[CrossRef] [PubMed]

Gold, L.

M. Kohl, U. Lindauer, G. Royl, M. Kuhl, L. Gold, A. Villringer, U. Dirnagl, “Physical model for the spectroscopic analysis of cortical intrinsic optical signals,” Phys. Med. Biol. 45, 3749–3764 (2000).
[CrossRef] [PubMed]

Gratton, E.

M. Wolf, U. Wolf, V. Toronov, A. Michalos, L. A. Paunescu, J.-H. Choi, 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)
[CrossRef] [PubMed]

Gratton, G.

G. Gratton, M. Fabiani, “The event-related optical signal: a new tool for studying brain function,” Int. J. Psychophysiol. 42, 15–27 (2001)
[CrossRef]

Hallett, M.

I. Tasaki, A. Watanabe, M. Hallett, “Fluorescence of squid axon membrane labeled with hydrophobic probes,” J. Membrane Biol. 8, 109–132 (1972).
[CrossRef]

Harper, R. M.

D. M. Rector, R. F. Rogers, J. S. Schwaber, R. M. Harper, J. S. George, “Scattered-light imaging in vivo tracks fast and slow processes of neurophysiological activation,” Neuroimage 14, 977–994 (2001).
[CrossRef] [PubMed]

D. M. Rector, G. R. Poe, M. P. Kristensen, R. M. Harper, “Light scattering changes follow evoked potentials from hippocampal Schaeffer collateral stimulation,” J. Neurophysiol. 78, 1707–1713 (1997).
[PubMed]

Hill, D. K.

D. K. Hill, “The volume changes resulting from stimulation of a giant nerve fiber,” J. Physiol. (Lond) 111, 304–327 (1950)

D. K. Hill, R. D. Keynes, “Opacity changes in stimulated nerve fiber,” J. Physiol. (Lond.) 108, 278–281 (1949).

Hille, B.

L. B. Cohen, R. D. Keynes, B. Hille, “Light scattering and birefringence changes during nerve activity,” Nature 218, 438–441 (1968).
[CrossRef] [PubMed]

Hochman, D. W.

D. W. Hochman, “Intrinsic optical changes in neuronal tissue: basic mechanisms,” Neurosurg. Clin. N. Am. 8, 393–412 (1997).
[PubMed]

Horber, J. K. H.

J. Mosbacher, M. Langer, J. K. H. Horber, F. Sachs, “Voltage-dependent membrane displacements measured with atomic force microscopy.” J. Gen. Physiol. 111, 65–74 (1998).
[CrossRef] [PubMed]

Iwasa, K.

I. Tasaki, K. Iwasa, “Further studies of rapid mechanical changes in squid giant axon associated with action potential production,” Jpn. J. Physiol. 32, 505–518 (1982).
[CrossRef] [PubMed]

K. Iwasa, I. Tasaki, R. C. Gibbons, “Swelling of nerve fibers associated with action potentials,” Science 210, 338–339 (1980).
[CrossRef] [PubMed]

Keynes, R. D.

L. B. Cohen, R. D. Keynes, L. Landowne, “Changes in light scattering that accompany the action potential in squid giant axons: potential-dependent components,” J. Physiol. (Lond) 224, 701–725 (1972).

L. B. Cohen, R. D. Keynes, “Changes in light scattering associated with the action potential in crab nerves,” J. Physiol. (Lond) 212, 259–275 (1971).

L. B. Cohen, R. D. Keynes, B. Hille, “Light scattering and birefringence changes during nerve activity,” Nature 218, 438–441 (1968).
[CrossRef] [PubMed]

D. K. Hill, R. D. Keynes, “Opacity changes in stimulated nerve fiber,” J. Physiol. (Lond.) 108, 278–281 (1949).

Kohl, M.

M. Kohl, U. Lindauer, G. Royl, M. Kuhl, L. Gold, A. Villringer, U. Dirnagl, “Physical model for the spectroscopic analysis of cortical intrinsic optical signals,” Phys. Med. Biol. 45, 3749–3764 (2000).
[CrossRef] [PubMed]

J. Steinbrink, M. Kohl, H. Obrig, G. Curio, F. Syre, F. Thomas, H. Wabnitz, H. Rinneberg, A. Villringer, “Somatosensory evoked fast optical intensity changes detected non-invasively in the adult human head,” Neurosci. Lett. 291, 105–108 (2000).
[CrossRef] [PubMed]

Kristensen, M. P.

D. M. Rector, G. R. Poe, M. P. Kristensen, R. M. Harper, “Light scattering changes follow evoked potentials from hippocampal Schaeffer collateral stimulation,” J. Neurophysiol. 78, 1707–1713 (1997).
[PubMed]

Kuhl, M.

M. Kohl, U. Lindauer, G. Royl, M. Kuhl, L. Gold, A. Villringer, U. Dirnagl, “Physical model for the spectroscopic analysis of cortical intrinsic optical signals,” Phys. Med. Biol. 45, 3749–3764 (2000).
[CrossRef] [PubMed]

Landowne, D.

D. Landowne, J. B. Larsen, R. T. Taylor, “Colchicine alters the nerve birefringence response,” Science 220, 953–954 (1983).
[CrossRef] [PubMed]

Landowne, L.

L. B. Cohen, R. D. Keynes, L. Landowne, “Changes in light scattering that accompany the action potential in squid giant axons: potential-dependent components,” J. Physiol. (Lond) 224, 701–725 (1972).

Langer, M.

J. Mosbacher, M. Langer, J. K. H. Horber, F. Sachs, “Voltage-dependent membrane displacements measured with atomic force microscopy.” J. Gen. Physiol. 111, 65–74 (1998).
[CrossRef] [PubMed]

Larsen, J. B.

D. Landowne, J. B. Larsen, R. T. Taylor, “Colchicine alters the nerve birefringence response,” Science 220, 953–954 (1983).
[CrossRef] [PubMed]

Le Bihan, D.

A. Darquie, J.-B. Poline, C. Poupon, H. Saint-Jalmes, D. Le Bihan, “Transient decrease in water diffusion observed in human occipital cortex during visual stimulation,” Proc. Nat. Acad. Sci. USA. 98, 9391–9395 (2001).
[CrossRef] [PubMed]

Lerman, L.

R. Sandlin, L. Lerman, W. Barry, I. Tasaki, “Application of interferometry to physiological studies of excitable tissue,” Nature 217, 575–576 (1968).
[CrossRef] [PubMed]

Lindauer, U.

M. Kohl, U. Lindauer, G. Royl, M. Kuhl, L. Gold, A. Villringer, U. Dirnagl, “Physical model for the spectroscopic analysis of cortical intrinsic optical signals,” Phys. Med. Biol. 45, 3749–3764 (2000).
[CrossRef] [PubMed]

Michalos, A.

M. Wolf, U. Wolf, V. Toronov, A. Michalos, L. A. Paunescu, J.-H. Choi, 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)
[CrossRef] [PubMed]

Mosbacher, J.

J. Mosbacher, M. Langer, J. K. H. Horber, F. Sachs, “Voltage-dependent membrane displacements measured with atomic force microscopy.” J. Gen. Physiol. 111, 65–74 (1998).
[CrossRef] [PubMed]

Mullins, L. J.

L. J. Mullins, “Efflux of chloride ions during the action potential of Nitella,” Nature 196, 986–987 (1962).
[CrossRef] [PubMed]

Obrig, H.

J. Steinbrink, M. Kohl, H. Obrig, G. Curio, F. Syre, F. Thomas, H. Wabnitz, H. Rinneberg, A. Villringer, “Somatosensory evoked fast optical intensity changes detected non-invasively in the adult human head,” Neurosci. Lett. 291, 105–108 (2000).
[CrossRef] [PubMed]

Oldenbourg, R.

R. Oldenbourg, E. D. Salmon, P. T. Tran, “Birefringence of single and bundle microtubules,” Biophys. J. 74, 645–654 (1998).
[CrossRef] [PubMed]

Pant, H.

I. Tasaki, A. Warashina, H. Pant, “Studies of light emission, absorption and energy transfer in nerve membranes labeled with flourescent probes,” Biophys Chem. 4, 1–13 (1976).
[CrossRef] [PubMed]

Paunescu, L. A.

M. Wolf, U. Wolf, V. Toronov, A. Michalos, L. A. Paunescu, J.-H. Choi, 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)
[CrossRef] [PubMed]

Poe, G. R.

D. M. Rector, G. R. Poe, M. P. Kristensen, R. M. Harper, “Light scattering changes follow evoked potentials from hippocampal Schaeffer collateral stimulation,” J. Neurophysiol. 78, 1707–1713 (1997).
[PubMed]

Poline, J.-B.

A. Darquie, J.-B. Poline, C. Poupon, H. Saint-Jalmes, D. Le Bihan, “Transient decrease in water diffusion observed in human occipital cortex during visual stimulation,” Proc. Nat. Acad. Sci. USA. 98, 9391–9395 (2001).
[CrossRef] [PubMed]

Poupon, C.

A. Darquie, J.-B. Poline, C. Poupon, H. Saint-Jalmes, D. Le Bihan, “Transient decrease in water diffusion observed in human occipital cortex during visual stimulation,” Proc. Nat. Acad. Sci. USA. 98, 9391–9395 (2001).
[CrossRef] [PubMed]

Rector, D. M.

D. M. Rector, R. F. Rogers, J. S. Schwaber, R. M. Harper, J. S. George, “Scattered-light imaging in vivo tracks fast and slow processes of neurophysiological activation,” Neuroimage 14, 977–994 (2001).
[CrossRef] [PubMed]

D. M. Rector, R. F. Rogers, J. S. George, “A focusing image probe for assessing neural activity in vivo,” J. Neurosci. Methods 91, 135–145 (1999).
[CrossRef] [PubMed]

D. M. Rector, G. R. Poe, M. P. Kristensen, R. M. Harper, “Light scattering changes follow evoked potentials from hippocampal Schaeffer collateral stimulation,” J. Neurophysiol. 78, 1707–1713 (1997).
[PubMed]

Rinneberg, H.

J. Steinbrink, M. Kohl, H. Obrig, G. Curio, F. Syre, F. Thomas, H. Wabnitz, H. Rinneberg, A. Villringer, “Somatosensory evoked fast optical intensity changes detected non-invasively in the adult human head,” Neurosci. Lett. 291, 105–108 (2000).
[CrossRef] [PubMed]

Rogers, R. F.

D. M. Rector, R. F. Rogers, J. S. Schwaber, R. M. Harper, J. S. George, “Scattered-light imaging in vivo tracks fast and slow processes of neurophysiological activation,” Neuroimage 14, 977–994 (2001).
[CrossRef] [PubMed]

D. M. Rector, R. F. Rogers, J. S. George, “A focusing image probe for assessing neural activity in vivo,” J. Neurosci. Methods 91, 135–145 (1999).
[CrossRef] [PubMed]

Royl, G.

M. Kohl, U. Lindauer, G. Royl, M. Kuhl, L. Gold, A. Villringer, U. Dirnagl, “Physical model for the spectroscopic analysis of cortical intrinsic optical signals,” Phys. Med. Biol. 45, 3749–3764 (2000).
[CrossRef] [PubMed]

Sachs, F.

J. Mosbacher, M. Langer, J. K. H. Horber, F. Sachs, “Voltage-dependent membrane displacements measured with atomic force microscopy.” J. Gen. Physiol. 111, 65–74 (1998).
[CrossRef] [PubMed]

Saint-Jalmes, H.

A. Darquie, J.-B. Poline, C. Poupon, H. Saint-Jalmes, D. Le Bihan, “Transient decrease in water diffusion observed in human occipital cortex during visual stimulation,” Proc. Nat. Acad. Sci. USA. 98, 9391–9395 (2001).
[CrossRef] [PubMed]

Salmon, E. D.

R. Oldenbourg, E. D. Salmon, P. T. Tran, “Birefringence of single and bundle microtubules,” Biophys. J. 74, 645–654 (1998).
[CrossRef] [PubMed]

Sandlin, R.

R. Sandlin, L. Lerman, W. Barry, I. Tasaki, “Application of interferometry to physiological studies of excitable tissue,” Nature 217, 575–576 (1968).
[CrossRef] [PubMed]

Schwaber, J. S.

D. M. Rector, R. F. Rogers, J. S. Schwaber, R. M. Harper, J. S. George, “Scattered-light imaging in vivo tracks fast and slow processes of neurophysiological activation,” Neuroimage 14, 977–994 (2001).
[CrossRef] [PubMed]

Steinbrink, J.

J. Steinbrink, M. Kohl, H. Obrig, G. Curio, F. Syre, F. Thomas, H. Wabnitz, H. Rinneberg, A. Villringer, “Somatosensory evoked fast optical intensity changes detected non-invasively in the adult human head,” Neurosci. Lett. 291, 105–108 (2000).
[CrossRef] [PubMed]

Syre, F.

J. Steinbrink, M. Kohl, H. Obrig, G. Curio, F. Syre, F. Thomas, H. Wabnitz, H. Rinneberg, A. Villringer, “Somatosensory evoked fast optical intensity changes detected non-invasively in the adult human head,” Neurosci. Lett. 291, 105–108 (2000).
[CrossRef] [PubMed]

Tasaki, I.

I. Tasaki, “Spread of discrete structural changes in a synthetic polyanionic gel: a model of propagation of a nerve impulse,” J. Theor. Biol. 218, 497–505 (2002).
[PubMed]

I. Tasaki, “Rapid structural changes in nerve fibers and cells associated with their excitation processes,” Jpn. J. Physiol. 49, 125–138 (1999).
[CrossRef] [PubMed]

I. Tasaki, P. M. Byrne, “The origin of rapid change in birefringence, light scattering and dye absorbance associated with excitation of nerve fibers,” Jpn. J. Physiol. 43, (Suppl) 1, 67–75 (1993).

I. Tasaki, P. M. Byrne, “Rapid structural changes in nerve fibers evoked by electric current pulses,” Biochem. Biophys. Res. Commun. 188, 559–564 (1992).
[CrossRef] [PubMed]

I. Tasaki, P. M. Byrne, “Thermal and mechanical responses of the amphibian skin to nerve stimulation,” Jpn. J. Physiol. 41, 576–576 (1991).
[CrossRef]

I. Tasaki, P. M. Byrne, “Demonstration of heat production associated with spreading depression in the amphibian retina,” Biochem. Biophys. Res. Commun. 174, 293–297 (1991).
[CrossRef] [PubMed]

I. Tasaki, K. Iwasa, “Further studies of rapid mechanical changes in squid giant axon associated with action potential production,” Jpn. J. Physiol. 32, 505–518 (1982).
[CrossRef] [PubMed]

K. Iwasa, I. Tasaki, R. C. Gibbons, “Swelling of nerve fibers associated with action potentials,” Science 210, 338–339 (1980).
[CrossRef] [PubMed]

I. Tasaki, A. Warashina, H. Pant, “Studies of light emission, absorption and energy transfer in nerve membranes labeled with flourescent probes,” Biophys Chem. 4, 1–13 (1976).
[CrossRef] [PubMed]

I. Tasaki, A. Watanabe, M. Hallett, “Fluorescence of squid axon membrane labeled with hydrophobic probes,” J. Membrane Biol. 8, 109–132 (1972).
[CrossRef]

F. Conti, I. Tasaki, E. Wanke, “Fluorescence signals in ANS-stained squid giant axons during voltage clamp,” Biophysik 8, 58–70 (1971).
[CrossRef]

R. Sandlin, L. Lerman, W. Barry, I. Tasaki, “Application of interferometry to physiological studies of excitable tissue,” Nature 217, 575–576 (1968).
[CrossRef] [PubMed]

Taylor, R. T.

D. Landowne, J. B. Larsen, R. T. Taylor, “Colchicine alters the nerve birefringence response,” Science 220, 953–954 (1983).
[CrossRef] [PubMed]

Thomas, F.

J. Steinbrink, M. Kohl, H. Obrig, G. Curio, F. Syre, F. Thomas, H. Wabnitz, H. Rinneberg, A. Villringer, “Somatosensory evoked fast optical intensity changes detected non-invasively in the adult human head,” Neurosci. Lett. 291, 105–108 (2000).
[CrossRef] [PubMed]

Toronov, V.

M. Wolf, U. Wolf, V. Toronov, A. Michalos, L. A. Paunescu, J.-H. Choi, 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)
[CrossRef] [PubMed]

Tran, P. T.

R. Oldenbourg, E. D. Salmon, P. T. Tran, “Birefringence of single and bundle microtubules,” Biophys. J. 74, 645–654 (1998).
[CrossRef] [PubMed]

Villringer, A.

J. Steinbrink, M. Kohl, H. Obrig, G. Curio, F. Syre, F. Thomas, H. Wabnitz, H. Rinneberg, A. Villringer, “Somatosensory evoked fast optical intensity changes detected non-invasively in the adult human head,” Neurosci. Lett. 291, 105–108 (2000).
[CrossRef] [PubMed]

M. Kohl, U. Lindauer, G. Royl, M. Kuhl, L. Gold, A. Villringer, U. Dirnagl, “Physical model for the spectroscopic analysis of cortical intrinsic optical signals,” Phys. Med. Biol. 45, 3749–3764 (2000).
[CrossRef] [PubMed]

Wabnitz, H.

J. Steinbrink, M. Kohl, H. Obrig, G. Curio, F. Syre, F. Thomas, H. Wabnitz, H. Rinneberg, A. Villringer, “Somatosensory evoked fast optical intensity changes detected non-invasively in the adult human head,” Neurosci. Lett. 291, 105–108 (2000).
[CrossRef] [PubMed]

Wanke, E.

F. Conti, I. Tasaki, E. Wanke, “Fluorescence signals in ANS-stained squid giant axons during voltage clamp,” Biophysik 8, 58–70 (1971).
[CrossRef]

Warashina, A.

I. Tasaki, A. Warashina, H. Pant, “Studies of light emission, absorption and energy transfer in nerve membranes labeled with flourescent probes,” Biophys Chem. 4, 1–13 (1976).
[CrossRef] [PubMed]

Watanabe, A

A Watanabe, “Mechanical, thermal, and optical changes of the nerve membrane associated with excitation,” Jpn. J. Physiol. 36, 625–643 (1986).
[CrossRef] [PubMed]

Watanabe, A.

A. Watanabe, “Optical activity signal recorded from nerve fibers using a photoelastic modulator,” Biomed. Res. (Suppl.) 7, 21–25 (1986).

I. Tasaki, A. Watanabe, M. Hallett, “Fluorescence of squid axon membrane labeled with hydrophobic probes,” J. Membrane Biol. 8, 109–132 (1972).
[CrossRef]

Wayne, R.

R. Wayne, “Excitability in plant cells,” Am. Scientist 81, 140–151 (1993).

Wolf, M.

M. Wolf, U. Wolf, V. Toronov, A. Michalos, L. A. Paunescu, J.-H. Choi, 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)
[CrossRef] [PubMed]

Wolf, U.

M. Wolf, U. Wolf, V. Toronov, A. Michalos, L. A. Paunescu, J.-H. Choi, 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)
[CrossRef] [PubMed]

Am. Scientist (1)

R. Wayne, “Excitability in plant cells,” Am. Scientist 81, 140–151 (1993).

Biochem. Biophys. Res. Commun. (2)

I. Tasaki, P. M. Byrne, “Demonstration of heat production associated with spreading depression in the amphibian retina,” Biochem. Biophys. Res. Commun. 174, 293–297 (1991).
[CrossRef] [PubMed]

I. Tasaki, P. M. Byrne, “Rapid structural changes in nerve fibers evoked by electric current pulses,” Biochem. Biophys. Res. Commun. 188, 559–564 (1992).
[CrossRef] [PubMed]

Biomed. Res. (Suppl.) (1)

A. Watanabe, “Optical activity signal recorded from nerve fibers using a photoelastic modulator,” Biomed. Res. (Suppl.) 7, 21–25 (1986).

Biophys Chem. (1)

I. Tasaki, A. Warashina, H. Pant, “Studies of light emission, absorption and energy transfer in nerve membranes labeled with flourescent probes,” Biophys Chem. 4, 1–13 (1976).
[CrossRef] [PubMed]

Biophys. J. (1)

R. Oldenbourg, E. D. Salmon, P. T. Tran, “Birefringence of single and bundle microtubules,” Biophys. J. 74, 645–654 (1998).
[CrossRef] [PubMed]

Biophysik (1)

F. Conti, I. Tasaki, E. Wanke, “Fluorescence signals in ANS-stained squid giant axons during voltage clamp,” Biophysik 8, 58–70 (1971).
[CrossRef]

Int. J. Psychophysiol. (1)

G. Gratton, M. Fabiani, “The event-related optical signal: a new tool for studying brain function,” Int. J. Psychophysiol. 42, 15–27 (2001)
[CrossRef]

J. Gen. Physiol. (1)

J. Mosbacher, M. Langer, J. K. H. Horber, F. Sachs, “Voltage-dependent membrane displacements measured with atomic force microscopy.” J. Gen. Physiol. 111, 65–74 (1998).
[CrossRef] [PubMed]

J. Membrane Biol. (1)

I. Tasaki, A. Watanabe, M. Hallett, “Fluorescence of squid axon membrane labeled with hydrophobic probes,” J. Membrane Biol. 8, 109–132 (1972).
[CrossRef]

J. Neurophysiol. (1)

D. M. Rector, G. R. Poe, M. P. Kristensen, R. M. Harper, “Light scattering changes follow evoked potentials from hippocampal Schaeffer collateral stimulation,” J. Neurophysiol. 78, 1707–1713 (1997).
[PubMed]

J. Neurosci. Methods (1)

D. M. Rector, R. F. Rogers, J. S. George, “A focusing image probe for assessing neural activity in vivo,” J. Neurosci. Methods 91, 135–145 (1999).
[CrossRef] [PubMed]

J. Physiol. (Lond) (3)

L. B. Cohen, R. D. Keynes, “Changes in light scattering associated with the action potential in crab nerves,” J. Physiol. (Lond) 212, 259–275 (1971).

L. B. Cohen, R. D. Keynes, L. Landowne, “Changes in light scattering that accompany the action potential in squid giant axons: potential-dependent components,” J. Physiol. (Lond) 224, 701–725 (1972).

D. K. Hill, “The volume changes resulting from stimulation of a giant nerve fiber,” J. Physiol. (Lond) 111, 304–327 (1950)

J. Physiol. (Lond.) (1)

D. K. Hill, R. D. Keynes, “Opacity changes in stimulated nerve fiber,” J. Physiol. (Lond.) 108, 278–281 (1949).

J. Theor. Biol. (1)

I. Tasaki, “Spread of discrete structural changes in a synthetic polyanionic gel: a model of propagation of a nerve impulse,” J. Theor. Biol. 218, 497–505 (2002).
[PubMed]

Jpn. J. Physiol. (5)

I. Tasaki, P. M. Byrne, “The origin of rapid change in birefringence, light scattering and dye absorbance associated with excitation of nerve fibers,” Jpn. J. Physiol. 43, (Suppl) 1, 67–75 (1993).

I. Tasaki, P. M. Byrne, “Thermal and mechanical responses of the amphibian skin to nerve stimulation,” Jpn. J. Physiol. 41, 576–576 (1991).
[CrossRef]

I. Tasaki, “Rapid structural changes in nerve fibers and cells associated with their excitation processes,” Jpn. J. Physiol. 49, 125–138 (1999).
[CrossRef] [PubMed]

A Watanabe, “Mechanical, thermal, and optical changes of the nerve membrane associated with excitation,” Jpn. J. Physiol. 36, 625–643 (1986).
[CrossRef] [PubMed]

I. Tasaki, K. Iwasa, “Further studies of rapid mechanical changes in squid giant axon associated with action potential production,” Jpn. J. Physiol. 32, 505–518 (1982).
[CrossRef] [PubMed]

Nature (3)

L. B. Cohen, R. D. Keynes, B. Hille, “Light scattering and birefringence changes during nerve activity,” Nature 218, 438–441 (1968).
[CrossRef] [PubMed]

R. Sandlin, L. Lerman, W. Barry, I. Tasaki, “Application of interferometry to physiological studies of excitable tissue,” Nature 217, 575–576 (1968).
[CrossRef] [PubMed]

L. J. Mullins, “Efflux of chloride ions during the action potential of Nitella,” Nature 196, 986–987 (1962).
[CrossRef] [PubMed]

Neuroimage (2)

M. Wolf, U. Wolf, V. Toronov, A. Michalos, L. A. Paunescu, J.-H. Choi, 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)
[CrossRef] [PubMed]

D. M. Rector, R. F. Rogers, J. S. Schwaber, R. M. Harper, J. S. George, “Scattered-light imaging in vivo tracks fast and slow processes of neurophysiological activation,” Neuroimage 14, 977–994 (2001).
[CrossRef] [PubMed]

Neurosci. Lett. (1)

J. Steinbrink, M. Kohl, H. Obrig, G. Curio, F. Syre, F. Thomas, H. Wabnitz, H. Rinneberg, A. Villringer, “Somatosensory evoked fast optical intensity changes detected non-invasively in the adult human head,” Neurosci. Lett. 291, 105–108 (2000).
[CrossRef] [PubMed]

Neurosurg. Clin. N. Am. (1)

D. W. Hochman, “Intrinsic optical changes in neuronal tissue: basic mechanisms,” Neurosurg. Clin. N. Am. 8, 393–412 (1997).
[PubMed]

Phys. Med. Biol. (1)

M. Kohl, U. Lindauer, G. Royl, M. Kuhl, L. Gold, A. Villringer, U. Dirnagl, “Physical model for the spectroscopic analysis of cortical intrinsic optical signals,” Phys. Med. Biol. 45, 3749–3764 (2000).
[CrossRef] [PubMed]

Physiol. Rev. (1)

L. B. Cohen, “Changes in neuron structure during action potential propagation and synaptic transmission,” Physiol. Rev. 53, 373–418 (1973).
[PubMed]

Proc. Nat. Acad. Sci. USA. (1)

A. Darquie, J.-B. Poline, C. Poupon, H. Saint-Jalmes, D. Le Bihan, “Transient decrease in water diffusion observed in human occipital cortex during visual stimulation,” Proc. Nat. Acad. Sci. USA. 98, 9391–9395 (2001).
[CrossRef] [PubMed]

Science (2)

K. Iwasa, I. Tasaki, R. C. Gibbons, “Swelling of nerve fibers associated with action potentials,” Science 210, 338–339 (1980).
[CrossRef] [PubMed]

D. Landowne, J. B. Larsen, R. T. Taylor, “Colchicine alters the nerve birefringence response,” Science 220, 953–954 (1983).
[CrossRef] [PubMed]

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