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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Stephen A. Burns
  • Vol. 22, Iss. 10 — Oct. 1, 2005
  • pp: 2034–2038

Visual neurophysiology: a field-effect amplifier designed and built by R. L. De Valois

Duane G. Albrecht, Carl P. Creeger, and Alison M. Crane  »View Author Affiliations


JOSA A, Vol. 22, Issue 10, pp. 2034-2038 (2005)
http://dx.doi.org/10.1364/JOSAA.22.002034


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Abstract

In the middle of the last century, R. L. De Valois designed and built a unique and effective amplifier based on the newly developed field-effect transistor (FET). This amplifier has many beneficial qualities for amplifying the signals of neurons with minimal disturbance. We have used this amplifier successfully for more than three decades. We describe the circuitry of the De Valois amplifier and provide performance specifications. The FET amplifier is one of De Valois’s contributions to visual neurophysiology; we share the design in his honor, with the hope that it might prove useful to others.

© 2005 Optical Society of America

OCIS Codes
(330.5380) Vision, color, and visual optics : Physiology

History
Original Manuscript: January 21, 2005
Revised Manuscript: April 11, 2005
Manuscript Accepted: April 14, 2005
Published: October 1, 2005

Citation
Duane G. Albrecht, Carl P. Creeger, and Alison M. Crane, "Visual neurophysiology: a field-effect amplifier designed and built by R. L. De Valois," J. Opt. Soc. Am. A 22, 2034-2038 (2005)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-22-10-2034


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References

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  7. W. Schockley, “A uni-polar field-effect transistor,” Proc. IRE 40, 1365–1376 (1952). [CrossRef]
  8. D. M. Snodderly, “Extracellular single unit recording,” in Bioelectric Recording Techniques, Part A: Cellular Processes and Brain Potentials, R. F. Thompson and M. M. Patterson, eds. (Academic, 1973), pp. 139–141.

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