. >> so what we know is the areas of the brain that are damaged in neglect involve usually the parietal cortex or the frontal cortex or the connections between these regions. and particularly in the right hemisphere, actually corresponding areas in the left hemisphere are involved in language in the human brain. but these areas are not only involved in selection, so if you get damage to these first areas you getroblems with attention and selection, but they are also the areas that have been implication-- implicated in conscious awareness. so this global workspace that eric was mentioning, you need to broadcast to the rest of the brain before things become aware. these areas were supposed to be those critical knows broadcasting that information, making thing things consciously aware to the brain. >> what i think is so wonderful about this is we had such a primitive understanding of the biological nature of consciousness even a decade ago. and we don't have a profound understanding now. but at least we're begin tolling understand not only aspects of normal consciousns but really subtle de