Brain Scanning - What Techniques Do You Use?

In terms of brain scanningt what methods do you use to study the brain? Well, we've been very fortunate to be able to use a whole array of different techniques. My background in the medical world is actually in nuclear medicine. And so that does involve injecting different types of radioactive tracer to look at different physiological processes in the brain or in the body. We did an interesting study of people going through a spiritual retreat programme and then we see where this material went,. It tells us something about the activity levels of the brain during different kinds of states.