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How the Brain Makes Moral Choices

By Tom Last
Created 07/22/2008 - 9:53am

Would you push someone off a bridge to save five others? According to researchers, your moral choice may be determined by the health of your brain's ventromedial prefrontal cortex. The constant flow of these scientific reports demonstrates how dominate the scientific mode of thinking is today. Even ethics is now considered a brain function. The Philosophy of Freedom path was developed to raise scientific thinking to the experience of moral intuition.

(WebMD) Scientists may have pinpointed the area in the brain where morality and emotions clash in dicey situations. The area is the ventromedial prefrontal cortex (VMPC), report the researchers. Koenigs and colleagues studied six people who suffered VMPC damage as adults. The VMPC is involved in emotional responses and social emotions such as compassion, shame, and guilt, Koenigs' team notes. For comparison, the researchers also looked at 12 healthy adults with no brain damage and 12 adults with brain damage that didn't affect the VMPC or other emotion-related areas.

In the study, participants read fictional scenarios that presented dilemmas, such as sacrificing one person's life to save the lives of others. For example, one scenario featured a runaway boxcar careening towards a crowd. Study participants were asked if they would push one person off a bridge to save five other people from the boxcar.

Those with VMPC damage were the most likely to agree with that action and similar choices in other personal, emotional, life-and-death scenarios. They also made such decisions faster than other participants. However, these VMPC-damaged participants handled impersonal, low-stakes scenarios much like the other study participants. The researchers aren't calling the VMPC-damaged participants cold or immoral. But they say the findings support the theory that the VMPC is involved in making personal, emotional, intense moral decisions.
By Miranda Hitti,  WebMD Health News


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