NDLI: Intracellular recording of He-Ne laser effect on motoneuron action potential duration in crayfish

Content Provider	IEEE Xplore Digital Library
Author	Merris, M.
Copyright Year	1994
Description	Author affiliation: Dept. of Biomed. Eng., New Hampshire Univ., Durham, NH, USA (Merris, M.)
Abstract	The motoneurons of crayfish were investigated for reactions to He-Ne laser energy in an attempt to artificially produce action potentials. Intracellular recordings were obtained in 18 motoneurons from 13 crayfish. Low level laser energy (LLLE) was directed via fiber optic material onto the ventral nerve cord motoneurons (VNC). The VNC was used as a system analogous to vertebrates. The recordings from spontaneously active motoneurons were evaluated on the basis of duration of synaptic potentials and reaction to laser energy. No action potentials were obtained at the amplitude of laser energy used. Significant increases in duration of synaptic potentials illustrated a stimulatory effect on the VNC motoneurons. The increase in synaptic potential duration suggest that laser energy effects changes in the cell membrane potentiating the ion channel activity of the motoneuron. Selective stimulation of motoneurons above 3.5 mW may produce action potentials.<>
Starting Page	101
Ending Page	102
File Size	264417
Page Count	2
File Format	PDF
ISBN	0780319303
DOI	10.1109/NEBC.1994.305162
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-03-17
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fiber lasers Biomembranes Optical recording Optical fibers Optical materials Humans Tail Biomedical engineering Biological materials Biomedical materials
Content Type	Text
Resource Type	Article

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