### Question
How is the "polygraph" defined?


### Answer
The term **polygraph** is defined in *29 U.S.C. § 2001* as follows -

> an instrument that—


(A) records continuously, visually, permanently, and simultaneously changes in cardiovascular, respiratory, and electrodermal patterns as minimum instrumentation standards

#### Citation:
  - *29 U.S.C. § 2001*
  - Heading: **CHAPTER 22-EMPLOYEE POLYGRAPH PROTECTION**

