edgarshade
Bluelighter
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BBC News
3 October 2013 Last updated at 01:13
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http://www.bbc.co.uk/news/magazine-24371140
3 October 2013 Last updated at 01:13
In movies and TV dramas, sodium thiopental is shown as a sinister truth serum used to get information out of captured people. Michael Mosley tried it out. One of the great challenges of living in our society is knowing when people are telling the truth or not. We lie all the time and are remarkably bad at detecting when other people are deliberately deceiving us. There are lots of urban myths about lie detecting, such as the claim that liars tend to look away, twitch their feet or touch their noses when lying (the so-called Pinocchio effect). In study after study, it has been shown that professionals such as policemen are no more reliable at detecting liars than the rest of us. So it's not surprising that for many years scientists have been working to develop "truth drugs" - drugs that will make you open up and tell all you know to an interrogator. One of the oldest and best known of these truth drugs is sodium thiopental. Although it was first developed in the 1930s, it is still used today in a range of settings, including, in some countries, by the police and the military.
I was given another slightly larger dose of sodium thiopental and this time I actually felt more sober, more in control. So what happened next was a complete surprise. Again Dr Leech asked me my name and my profession. This time there was no hesitation.
More...
http://www.bbc.co.uk/news/magazine-24371140