Evidence Commons^™

Calculating Credibility: State V. Sharma And The Future Of Polygraph Admissibility In Ohio And Beyond, Vincent V. Vigluicci

Akron Law Review

Almost a century after its inception, the polygraph test remains one of the most fascinating forms of evidence. Firmly entrenched in popular mythology, the polygraph offers the promise of calculating truth and credibility with scientific certainty, a proposition that continues to capture the public’s imagination. At the same time, the polygraph has also been viewed with great trepidation as a flawed and dangerous instrument of oppression. Commonly called a “lie detector,” the polygraph does not actually detect lying; it measures subtle changes in blood pressure, pulse, respiration, and the skin’s resistance to electricity that are thought to result from the …