As used in this chapter:
(3) Lie detector
The term “lie detector” includes a polygraph, deceptograph, voice stress analyzer, psychological stress evaluator, or any other similar device (whether mechanical or electrical) that is used, or the results of which are used, for the purpose of rendering a diagnostic opinion regarding the honesty or dishonesty of an individual.
(4) PolygraphThe term “polygraph” means an instrument that—