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A Quantitative Analysis of Modulation of the Fast Excitatory Postsynaptic Potential of Neurons in Rat Sympathetic Ganglia by a Low-Intensity Laser |
| MO Hua1;YANG Li-Jian2; JIA Ya2 |
| 1Department of Physics, Guangxi Medical University, Nanning 530021
2Department of Physics, Central China Normal University, Wuhan 430079 |
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| Cite this article: |
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MO Hua, YANG Li-Jian, JIA Ya 2005 Chin. Phys. Lett. 22 2433-2436 |
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Abstract We propose a mathematical model which can quantitatively describe the kinetics of postsynaptic membrane potential modulated by a low intensity laser. By virtue of the numerical computation, it is found that the height of peak of fast excitatory postsynaptic potential (f-EPSP) for intermediate laser power density (around 2mW/cm2) is higher than that for both small and large laser power densities, that is, of the f-EPSP peak height changes with the increasing laser power density (up to 5mW/cm2) in non-monotonic behaviour. The theoretical results are qualitatively consistent with the previous experimental data.
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| Keywords:
87.10.+e
87.17.Nn
42.62.Be
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Published: 01 September 2005
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