Equipment Used in Psychophysiological Recording

Robert M. Stern, William J. Ray and Karen S. Quigley

in Psychophysiological Recording

Second edition

Published in print December 2000 | ISBN: 9780195113594
Published online March 2012 | e-ISBN: 9780199846962 | DOI:
Equipment Used in Psychophysiological Recording

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This chapter examines the bioelectric signals from the skin, across the junction and finally to the point where it is displayed and analyzed. It describes only those electrodes designed to be placed directly on the surface of the skin — cutaneous electrodes — although other types of electrodes exist (such as needle electrodes) for both human and animal work. Transducers for measuring temperature, respiration, and blood volume are also considered, along with polygraphs, computers, couplers, filters, and amplifiers. The computer can be utilized to record and quantify data as long as the physiological signal can be converted into a numerical form. The device used to perform this function is the analog-to-digital converter, which takes a continuous signal and converts it into discrete steps.

Keywords: bioelectrical signals; skin; electrodes; transducers; computers; couplers; filters; amplifiers; polygraphs; respiration

Chapter.  3892 words.  Illustrated.

Subjects: Psychology

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