Instrument that measures and records several physiological responses blood presures.

Examination measures physiological changes

Truth serum

Strongrst serum

An act of inducing hypnosis to dazzle or overcome by suggestion

Present orally or visually a group of words, Francis Galton

Truthfulness from lying, British novelist wrote an essay entitlesf " An Effectual Scheme of Immediate

Plethysmograph and Volume of air

Clinical polygraph simulteneously radial, venous, arterial

Hydrosphymograph it measure pulse rate and blood presure

Revised Clinical Ink polygraph

Father of the polygraph

Fore runner of modern polygraph

Italian psychologist Galvanic skin reflex or galvanometer

First galvanograph for detection deception. Galvanic impression on the chart tracing

This first one to use term psycho galvanic refelex and activity of the sweat glands

Pneumograph measures examinees inhalation and exhalation

Who had gained firsthand experince in polygraph interrogations as a result of working with John A Larson Developed kymograph

He developed Control questioning technique

Building upon the Reid Control Technique Developed backster zone comparison technique

First researcher used potential computer application polygraph analysis

CAPS

U.S. department of energy commissioned a review committee of the national academy of science to study scientific evidence on the polygraph. Computerized polygraph

Official entrance of computerr age

This method involves intravenous injection or orally taken, such as hyocinebromide, morphine

Deterrmined that the reapiratory changes were indication and he also found that chnages in systolic blood pressure

Father of Modern Day Polygraph

Research was conductee on computerized polygrapg at the university of Utah. They developed CAPS