Quotes 2-10-2015

“Mental states both emerge from (bottom-up) and constrain (top-down) neural activity. With this formulation, one of the traditional ideas in neuroscience––that brain activity precedes conscious thought and that brain-generated beliefs do not constrain brain activity––is also challenged. The concept of ‘bidirectional causation’ underscores the fact that in order to understand the nature of brain-enabled conscious [...]