Ferit Pehlivan

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Nerve conduction velocity distribution (CVD) is a very useful tool to examine the state and function of nerves. Only one record of compound action potential (CAP) may be sufficient to determine the CVD if the shape functions of the single fiber action potentials (SFAP) of fibers are known. Otherwise, CAP recordings from different locations are necessary to(More)
In this study, the extracellular and suction techniques, used widely to record compound action potentials (CAP), were compared in respect to their ability to deduce fiber diameter distribution (FDD). Fiber diameter distribution derived by applying the deconvolution model to CAP depends not only on the modeling but also on the recording techniques. The FDDs(More)
In order to get early information on the functional state of smaller myelinated fibers this article investigated the applicability of conduction velocity distribution on compound action potential recorded in experimentally demyelinated frog sciatic nerve. Conduction velocity distribution histograms were estimated by using the mathematical model the authors(More)
The shape and magnitude of the compound action potential (CAP), which is the linear summation of the single fiber action potentials, depend strongly on the recording conditions. Volume conductor effect should be eliminated or corrected in order to get reliable information about the functional state of the nerve trunk. In the case of monophasic extracellular(More)
Collegenase is widely used in the process of teasing a nerve in order to perform single fiber action potential (SFAP) recordings. In this study, the effects of collagenase on nerve conduction parameters were investigated. To accomplish this, normal compound action potentials (nCAPs) were recorded from isolated frog sciatic nerve at various distances using(More)
Gender differences, either with the structural or through with hormones, dictate how the corresponding organ or organ system responses to physiological signals. Current study aims to investigate gender dependent differences in conduction related parameters of rat sciatic nerve. Compound action potentials (CAP) were recorded via suction electrode whereas the(More)
  • Ferit Pehlivan
  • 2005
Animal experiments, analog modeling and digital simulations are some means followed in laboratory practices to teach electrophysiological concepts. Advantages and disadvantages of these different strategies may change due to the teaching aims and education levels; none of these ways mentioned above is appropriate alone for all educational purposes. For a(More)
In ideal conditions the area under compound action potential may be used as an index for the number of activated fibers in a nerve trunk whereas peak amplitude, maximum time derivative, and duration may be used as an indicator for the rate of contribution to compound action potential and the degree of velocity dispersion. In this study, the time domain(More)
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