aphasia, closer to the front of the brain, broca area, if there's an impact there, typically people would have a hard time expressing, speaking even writing. if they have more of an issue with wernicke area in the back of the brain, that would be more receptive. a harder time understanding the spoken word or reading. so, again, exactly which has been affected, if both had been affected, how much of this is due to a more progress issue of some other so, we don't know. but we do know that oftentimes, speech pathology, speech training, things like that, can be helpful in these sorts of situations. that's or the of an overlook of typically aphasia the causes and what can be done about it. >> dr. sanjay gupta thank you for your expertise. still to come in the next hour, state media says 135,000 russians are soon going to be drafted to fight in ukraine. that's as new intelligence reveals that troops on the front lines are refusing orders.