joining me for that conversation, rebecca brendell from harvard university and assistant professor of psychiatry at the harvard school and director of the new yor institute. professor jones, this strikes me, a layman, as a pretty big deal >> it is. for a long time scientists have been trying to understand the schizophrenia. there have been a lot of clues in the past, but when they discovered the role of the c4 it caused a ripple throughout the community >>> is the relationship so tight that you can tell the genetic make up of a schizophrenic from looking at the gene or a predict that someone is going to develop it by seeing it in advance? >> well, it's a correlation. what this means is that any individual that has these particular mutations, that they are pre-deposed for the-- predisposed to the decease so it's not-- disease, so it's not a correlation >>> this is pretty new information. will more research be required to know just how intimate that pre-disposition is? >> yes. absolutely. one of the interesting things about the disease, there is an environmental component. there are sev