Would you "switch off" bad memories if you could? Would you take cognitive enhancement drugs if you knew they'd allow you to perform better on a test? Would you agree to a brain scan if you thought it'd exonerate you from a crime you didn't commit? Watch the video, and tell us how you would answer questions such as the ones above.

Some of the world's top scientists and ethicists met at Banff earlier in March, to ponder the most pressing issues in neuroscience. Their focus: Neuroethics. Watch the videos and get your cerebral gears in motion. And don't forget to tell us what you think. Neuro Talk is here.