The "brain scan" crowd has a recent history of over-reaching (and unverifiable claims). Usually what they show to the press as a single scan is come sort of co

The "brain scan" crowd has a recent history of over-reaching (and unverifiable claims). Usually what they show to the press as a single scan is come sort of composite of many sessions (so would be useless in practice). In particular the amount of amplification typically used is so great that you can measure a dead salmon's brain "reacting" to images of people of you allow this sort of methodology: http://www.livescience.com/strangenews/090927-dead-salmon-brain.html http://www.livescience.com/strangenews/090927-dead-salmon-br...