Normal Topic Use of Beta Blockers while taking the Polygraph (Read 34261 times)
Paste Member Name in Quick Reply Box joemamma
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Use of Beta Blockers while taking the Polygraph
Nov 6th, 2001 at 10:43pm
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I'm just curious on what effect, if any, beta blockers would have on one taking the polygraph. Beta blockers are an adrenal blocker and used as an anti anxiety drug. Any idea whether taking these would aide in passing?
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Paste Member Name in Quick Reply Box Drew Richardson
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Re: Use of Beta Blockers while taking the Polygrap
Reply #1 - Nov 6th, 2001 at 11:14pm
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The use of alpha (1 and 2) as well as beta (1 and 2) agonists (stimulants) and antagonists (blockers) may produce profound autonomic nervous system (ANS) effects.  The well known beta-1 blockers have well-demonstrated effects (direct and indirect) on myocardial function (and elsewhere), i.e., inotropic (force of contraction), chronotropic (heart rate), as well as on the rate of spread of electrical conduction within myocardial tissue.  As has been pointed out before on this message board, these profound effects are of little practical concern in a polygraph examination, inasmuch as they are tonic effects (not phasic effects) which will affect the cardiovascular physiology monitored over the totality of the polygraph exam, effecting both control and relevant question responses whose intercomparison is the basis for polygraph scoring.  Remember...the goal of one who attempts polygraph countermeasures is to increase control question responses relative to relevant question responses, not reduce (or increase) all responses equally.  You mention Central Nervous System (CNS) effects (antianxiety)....yes, they do exist, but the same story is likely to exist for these effects as well--they would likely be undifferentiated amongst responses to control and relevant questions.

Not only is such pharmacological intervention largely ineffective (there, however, may be some value in some situations in reducting all responses yielding an inconclusive result which can then be coupled with simply saying "no way" (behavioral countermeasure) to any post-test accusations), but these type of approaches are largely moot because of the very effective physical and mental countermeasures available to accomplish the task...
« Last Edit: Nov 7th, 2001 at 1:27am by Drew Richardson »  
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Paste Member Name in Quick Reply Box peter raja

Re: Use of Beta Blockers while taking the Polygraph
Reply #2 - Apr 3rd, 2015 at 10:46pm
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What about the cvsa ? Wouldn't it make my voice the same ....and if not I was thinking to drink a shot before to mellow my voice....I have a test soon fyi any help?
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Paste Member Name in Quick Reply Box George W. Maschke
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Re: Use of Beta Blockers while taking the Polygraph
Reply #3 - Apr 4th, 2015 at 12:10pm
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There is no evidence that any medication affects CVSA outcomes in any way (let alone in a positive way). Consuming alcohol before a CVSA examination seems to me like a foolish thing to do.

CVSA lacks the methodological weaknesses that make effective polygraph countermeasures possible, but that is not to say that CVSA has any scientific basis whatsoever (it doesn't). Be that as it may, the "behavioral" countermeasures outlined for polygraph examinations in Chapter 4 of The Lie Behind the Lie Detector may be helpful in passing a CVSA "test."

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Use of Beta Blockers while taking the Polygraph

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