Electrical theory

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Abstract

The electrical properties of a cell are maintained by ions moving into and out of the cell. This ionic movement produces electrical potentials, which regulate cellular excitability. The purpose of electrophysiology is to measure cellular excitability by looking at ionic flow and potentials across the cell membrane. This chapter discusses the interpretation of electrophysiological measurements taking into account two forms of in vitro electrophysiology: current clamp and voltage clamp. The chapter begins by looking at field potentials, which are measured extracellularly in the current clamp configuration. Special attention should be paid to the direction of potentials (sinks and sources), which are dependent on positioning of the recording electrode as well as the type of ions moving into or out of a cell. We then discuss field potentials at an axon, a synapse, and the types of fields typically observed. We finish the chapter discussing interpretations of voltage clamp recordings in which currents can be measured.

Original languageEnglish (US)
Title of host publicationNeuromethods
PublisherHumana Press Inc.
Pages17-31
Number of pages15
DOIs
StatePublished - Oct 1 2016

Publication series

NameNeuromethods
Volume112
ISSN (Print)0893-2336
ISSN (Electronic)1940-6045

Fingerprint

Clamping devices
Electrophysiology
Ions
Synapses
Axons
Electrodes
Electric potential
Cell membranes
Cell Membrane
Electric properties

All Science Journal Classification (ASJC) codes

  • Neuroscience(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Pharmacology, Toxicology and Pharmaceutics(all)
  • Psychiatry and Mental health

Cite this

Graziane, N., & Dong, Y. (2016). Electrical theory. In Neuromethods (pp. 17-31). (Neuromethods; Vol. 112). Humana Press Inc.. https://doi.org/10.1007/978-1-4939-3274-0_2
Graziane, Nicholas ; Dong, Yan. / Electrical theory. Neuromethods. Humana Press Inc., 2016. pp. 17-31 (Neuromethods).
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Graziane, N & Dong, Y 2016, Electrical theory. in Neuromethods. Neuromethods, vol. 112, Humana Press Inc., pp. 17-31. https://doi.org/10.1007/978-1-4939-3274-0_2

Electrical theory. / Graziane, Nicholas; Dong, Yan.

Neuromethods. Humana Press Inc., 2016. p. 17-31 (Neuromethods; Vol. 112).

Research output: Chapter in Book/Report/Conference proceedingChapter

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Graziane N, Dong Y. Electrical theory. In Neuromethods. Humana Press Inc. 2016. p. 17-31. (Neuromethods). https://doi.org/10.1007/978-1-4939-3274-0_2