Willingness to lie manipulated with magnetsKey Excerpts from Article on Website of The Guardian (One of the UK's leading newspapers)
Willingness to lie manipulated with magnets The Guardian (One of the UK's leading newspapers), September 28, 2011 Posted: 2011-10-04 09:35:06 http://www.guardian.co.uk/science/neurophilosophy/2011/sep/28/1
Magnetic pulses applied to a specific region of the frontal cortex can influence peoples' willingness to lie spontaneously or tell the truth, according to a new study by researchers from Estonia. The findings ... suggest that manipulations of brain activity could be an effective way of obtaining truthful responses from defendants and criminal suspects, raising more ethical questions about the application of neuroscience technologies in the legal profession. [The researchers] recruited 16 volunteers, and showed them red and blue discs, which were presented randomly on a computer screen. The participants were asked to name the colour of each disc, and that they could do so correctly or incorrectly at their free will. Statistical analysis of the results revealed that magnetic stimulation directed at the left DLPFC slightly increased the participants' tendency to lie about the colour of the discs, whereas stimulation of the right DLPFC slightly reduced it. By contrast, stimulation of the left or right parietal cortex had no effect on the participants' propensity to lie.
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