finally when you become an adult the prefrontal cortex at the front of the brain develops. we can test old wives tales by looking at the living brain. what they say, everyone knows this, is that teenage kids suffer from brain damage. it is true. you could actually show from the back to the front, teenagers do not have a well formed prefrontal cortex and it's another that when a man talks to a pretty girl he startac stupid. [laughter] and it's true. when a man talks were pretty girl, blood drains from the prefrontal cortex and he becomes mentally. you can measure this by looking at what is absolutely true. so these old wives tale can be analyzed looking at this and then we have two hemispheres, one on the left and one on the right and normally the two hemispheres talked to each other. what an epileptic is out of control and they have seizures and so we have to cut the connection between the left and the right hemisphere. and then something bizarre and weird happens. the two brains that are now cut begins to create two different personalities. the amazing documented cases, on

. >> this part of our brain called the prefrontal cortex is not developed till age 25.wser detects an offensive post before it's put up and asks the teen to think twice about it. a study found 93% effective and she already has a provisional patent. >> i'm going to be seen in london. >> and wow. we were just looking at that. that's great. joining me is irene van der zande, founder and director of teenpower, fullpower international. i know you have comic books about cyberbullying. we want to show that to folks. that's a huge problem these days. >> it is because it makes it much more efficient to communicate over the internet and texting makes it more efficient to communicate. and having an ap like that that that gets you stop and think before you do communicate something hurtful. >> what do you think is the best way to keep kids safe online? >> the best way is as with all safety is to be involved this their lives, to stay connected with their real life worlds, their virtual worlds which are real to them and to realize and to educate them about the impact that a word can h

actually show us the brain develops from the back to the front teenagers do not have a well formed prefrontal cortex. another old wives tale that when a man talks to a pretty girl he starts to ask stupid. it's true. when a man talks with pretty girl blood literally brains dashed dreams from the pre-frontal cortex. you can measure this. it's absolutely true. all these old wives tales can now be systematically idolize idolized -- analyze looking at brain scans. we have to brain scans come one on the left one honorÉ. normally the two hemispheres talk to each other but in epileptics it gets out of control. they have seizures so scientists have to cut the connectivity between the left in and the right hemispheres and then something bizarre, something weird happens. the two brains that are now cut begin to create two different personalities. it's amazing, documented data. one man comes home and greets his wife and with one arm he embraces her and with the other arm he pops her in the face. a documented case. another documented case, one man come as a left brain was an atheist and his right brain was a bel

. >> it wakes up the brain so that this prefrontal cortex stays on line more. they can make better decisions and their behavior improves. and they enjoy learning more. and that's what they say. i can learn now. my mind is clear. >> reporter: clearing the mind is essential according to dr. rutherford. he says nearly 80% of his students qualify for free or assisted lunch and they face quite a few challenges even before they get to school. >> they also come with another set of problems within their community, within the homes. if we're able to remove those kind of stresses, we will be the model. >> reporter: a model that is making a difference, says eighth grader janelle. >> this morning somebody had made me mad and i was about to react harshly towards them. when i came here and started meditating, it felt better. i became more relaxed. >> reporter: for camone smith stressed turned into lower back pain and a host of other issues. >> the pain went away. it helped me with a lot of stuff like headaches. >> quiet time instills in these students no matter where they're

is the emotion center of the brain and quite often it's not connected to the ventral medial prefrontal cortexesses this so at times they have flat affect, they don't have the feeling of guilt. they can manage rage but they don't understand what it's like to live in someone else's shoes so they don't care about the victims and therefore they can go on with their lives day to day as if nothing happened. >> chilling to say the least. jeff gardere and jean casarez, thank you for joining us. this is a story cnn will continue to follow. we'll bring you updates when we can get them. >> ahead at this hour, is the president a pariah? and if democrats are working so hard to create distance from him, why does he keep dragging them back so close? >> imagine this. after being told he would never walk again on his own, a british man is up and walking with the aid of a brace. the treatment we'll tell you about and how potentially it's being seen as the cure for paralysis. we'll discuss. [ female announcer ] you change your style. why not your eye color? new air optix® colors prescription contact lenses enha

the cave person tending to the fire is using this part of the head, the prefrontal cortex.the call of executive control. that's the thing that makes us most human. the thing responsible for art, architecture, civilization. but when the tap comes for the roar of the law and it sends a signal up from here, much more primitive survival mechanism. let's say in the case of the line it says, whom, login, run. and this part, the part that is doing this kind of high level task must listen to the lower part of the brain. because if they didn't, guess what? you get eaten. so now let's go back in time to start to understand that these, we begin to understand the limitations of our brains. we cannot ignore, first of all, that reptiles found. if you can, you, you would essentially have to have eyes in the back of your head -- reptile sound. go back to probably the mid-1900s right after world war ii, scientists in britain were really wrestling with a question. why was it that their pilots in airplanes fighting the battle over britain, why was it their radar operators could have trouble w