“Whether it’s evading taxes, being unfaithful, doping in sports, making up data or committing financial fraud, deceivers often recall how small acts of dishonesty snowballed over time,” U.C.L. neuroscientist Tali Sharot, the work’s senior author, told members of the press during a teleconference last Friday. The team's findings confirm in a laboratory setting that dishonesty grows with repetition. The researchers also used brain imaging to reveal a neural mechanism that may help explain why. “We suspected there might be a basic biological principle of how our brain works that contributes to this phenomenon, called emotional adaptation,” Sharot said.
Read the complete article from Scientific American here: Liar, Liar: How the Brain Adapts to Telling Tall Tales
The full text journal article from Nature Neuroscience can be found here: The brain adapts to dishonesty