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Recording of neural signals, neural activation, and signal processing 

Recording of neural signals, neural activation, and signal processing
Chapter:
Recording of neural signals, neural activation, and signal processing
Author(s):

Dick F. Stegeman

and Michel J. A. M. Van Putten

DOI:
10.1093/med/9780199688395.003.0005
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date: 11 August 2020

This chapter discusses recording of electrophysiological signals in the context of clinical neurophysiology. We first discuss the interpretation of signals and differences between signals in terms of their underlying (electro)physiology. As a most prominent aspect of applied electrophysiology, the biophysics of volume conduction in extracellular space is discussed. We also present some basics of advanced procedures to analyse neurophysiological data. Aspects of electrical stimulation are treated too, including recent developments in diagnostic and therapeutic constant current stimulation. We finally discuss the background of hazardous electric currents and the safety of bioelectric equipment. Aspects that are relevant in the digitization and post-processing of data are briefly reviewed.

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