Page 36 - Prefrontal Cortex News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Expert in the field and is now an adviser to the avielle foundation. >> we have 41 normal controls, motors in the group. this is illustrating the key finding. good frontal lobe functioning in the normal individual. but if you look at the motor here, there's a distinct lack of activation in that prefrontal cortex. >> the the research jennifer and jeremy want to fund will ask what might cause that low functioning and how a person with it could be treated early before becoming an adult. on top of the scientific work, aviell's parents want to reduce the stigma that keeps people from getting the he...

Done too much? >> simple tasks become very frustrating. like mixing paint. and then just get into a state of ahhhhh -- you know. >> and why that happens is exactly what columbia university neuroscientist karl hart is investigating. >> exhale. >> research subjects in his lab smoke marijuana and then take a variety of cognitive tests. >> effects will be disruption in memory. disruptions in inhibitory control. they become slower at cognitive functioning. a wide array of things. they are temporary, but pronounced and clear. >> it is slowly becoming clear to scientists what part of the brain is mos...

Frustrating, like mixing paint, and then just sort of get into this state of, you know -- >> and why that happens is exactly what columbia university neuroscientist carl hart is investigating. >> exhale. >> research subjects in his lab smoke marijuana and then take a variety of cognitive tests. >> the affects will be disruption in memory, disruptions in inhibitory control. they will become slower at cognitive functioning, a wide range of things. these effects are temporary, but they are pretty pronounced and they are clear. >> and it's slowly becoming clear to scientists what part of the brain...

Adults can, but the problem with that is that their prefrontal cortex, which helps people think ahead, control their impulses, that's not fully developed until age 24. that explains why adolescents are much more vulnerable. >> there's something else that addiction experts believe is likely happening in the brain. when you smoke pot, the feel-good chemicals that make up marijuana called cannabinoids, remember them? they cause your brain to stop producing its own natural cannabinoids. when you stop smoking, you have no feel good cannabinoids of your own. until your body kick starts production, y...

He stopped skateboarding. even dropped out of school. >> i like getting high. i need get high because my brain is telling me. >> adolescents, at about age 13, have a pretty mature brain reward sent are. they can experience reward and pleasure the same way adults can. but the problem with that is that their prefrontal cortex which helps people think ahead, control their impulses, that's not fully developed until age 24. that explains why adolescents are much more vulnerable. >> there is something else experts believe is likely happening in the brain. when you smoke pot, the feel-good chemicals ...