An Event-Coder for Evoked Potential Studies

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A device is described which has 10 input and 2 output lines. Grounding an input causes a pulse with a specific amplitude, polarity, and duration to appear on one of the output lines. Pulse parameters can be set by front-panel controls. Thus, 10 distinct events can be coded by associating a unique pulse with each event. These pulses can be recorded on one (or two) channels of a magnetic tape recorder for subsequent processing. The use of this coder in the study of event-related potentials is described.


Computer Technology, V. 2, Issue 3, P. 142-144.

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Donchin, E., & Pappas, N. (1970). An event-coder for evoked potential studies. Behavior Research Methods & Instrumentation, 2, 142-144.