people saying scientifically that's very hard to localize in the brain and trying to get an idea of what is that quality everybody’s personal  Cerebria   experience their narrative is so different but it's a shared experience about it just function and its tend to be a collaborative an area in the brain so mean that so-called but the questions is what happened long term this is the following their Depression Rating even that first 

http://xtrememusclerecoveryrev.com/cerebria/