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An automatic stimulus generation system for electroretinogram capture and processing

✍ Scribed by Jean-Claude Vennat; Michel Doly; Serge Sanzelle; Denis Ghiazza; Brigitte Bonhomme; Ginette Gaillard

Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
625 KB
Volume
16
Category
Article
ISSN
0010-4825

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✦ Synopsis

An automated

system is presented for on-line capture and processing of the analog signal obtained in response to light or X-ray stimulation of isolated rat retina maintained in survival by perfusion. The most important part of the system is a microcomputer Apple II (48 K Europlus) equipped with interface boards. Basic and assembler programs automatically deliver light or X-ray stimulation every 5 min. Data capture and data processing are carried out following each retinal response. Calculated parameters of the ERG, and 200 values obtained after sampling of an ERG are placed in a data file on a floppy disc. One hundred ERGS can be stored in this way.

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