NDLI: Estimation of electronic parameters of neurons using an inverse Fourier transform technique

Content Provider	IEEE Xplore Digital Library
Author	Ali-Hassan, W.A. Saidel, G.M. Durand, D.
Copyright Year	1964
Abstract	The authors estimate the passive electronic parameters of hippocampal granule cells. A shunt cable model, where the somatic and dendritic time constants can be different, is used to describe the potential changes in the soma and along the dendritic tree. Parameter values are estimated by nonlinear least-squares fitting of the model output to the voltage response of the stimulated cell to current pulses. The solutions are obtained in a two-step process. First, the sensitivity functions are derived from the Laplace transform solution of the theoretical model. Second, the time-domain solutions are obtained numerically by an inverse FFT. A sensitivity analysis indicates that accurate estimates require the use of a short current pulse injected at the soma and the sampling of the voltage response close to the end of that pulse. This parameter estimation procedure has been tested on hippocampal granule cells. It yields accurate estimations of neural parameters and will be a useful tool for measuring passive properties of neurons.<>
Sponsorship	IEEE Engineering in Medicine and Biology Society
Page Count	9
File Size	737910
Starting Page	493
Ending Page	501
File Format	PDF
ISSN	00189294
Volume Number	39
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1992-05-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Parameter estimation Neurons Fourier transforms Voltage Laplace equations Time domain analysis Sensitivity analysis Sampling methods Testing Yield estimation
Content Type	Text
Resource Type	Article
Subject	Biomedical Engineering

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