Moral judgments can be altered
Morality Study Narrows Gap Between Mind And Brain : NPR
EM field, behind right ear, suspends morality | The Sci-Tech Heretic (this one a bit fringe but interesting take)
Source: "Disruption of the right temporo-parietal junction with transcranial magnetic stimulation reduces the role of beliefs in moral judgments," Liane Young, Joan Albert Camprodon, Marc Hauser, Alvaro Pascual-Leone, Rebecca Saxe. Proceedings of the National Academy of Sciences, week of March 29, 2010.