Pètrofiets schreef:Drugs Infolijn schreef:In de puberteit verandert er veel in de prefontale cortex. Verbindingen die weinig worden gebruikt, verdwijnen. In ruil daarvoor worden verbindingen die regelmatig actief zijn juist versterkt. Uiteindelijk wordt de prefontale cortex dus sterker en kan iemand na de puberteit beter plannen, organiseren en zijn emoties beter te reguleren. Cannabis gebruiken in deze periode kan voor een verstoring van dit proces zorgen.
Brain research indicating that brain development is not complete until near the age of 25, refers specifically to the development of the prefrontal cortex.
3
Pètrofiets schreef:Drugs Infolijn schreef:Naast kans op bijvoorbeeld psychosen zijn er aanwijzingen dat jong beginnen met drugs gebruiken (en alcohol drinken) de kans op verslaving op latere leeftijd vergroot.
Ondersteunde literatuur:
Drugs, alcohol and addiction
Plasticity is paradoxical: Just as it allows teens to learn and retain a lot of information, it also makes them susceptible to negative influences. "If a teen's nervous system sees alcohol or a drug, their synapses have locked onto that drug and form strong connections that underlie their affinity for it," Jensen says. The process of addiction actually uses the same neurochemistry as general learning. "Specific neuronal connections readily form from exposure to stimuli, like drugs and alcohol, and become irreversibly imprinted on their brains," she says. That means that when teens drink or smoke, they're laying down a lasting sensitivity that can easily lead to addiction.
Teens suffer longer-lasting consequences from alcohol; it dampens down learning by blocking synapses from sending any signals, and in excess, kills vastly more brain cells in teens than adults. This is especially problematic when it comes to binge drinking. "If a 17-year-old pounds down Jack Daniels with uncle Joe, uncle Joe will have a wicked hangover, but will function in a few days," says Jensen. "But that teenager has a low threshold for brain injury and may not bounce back 100 percent." Similarly, marijuana's negative effects are more long-lasting: Its active chemical blocks learning at the cellular level at multiple points—in the very early and later stages of making lasting memories. "What a teenager does on the weekend is actually still with him when he takes a test on Thursday," Jensen says. "And in the meantime, he's been trying to study with what's essentially a self-induced learning disability."
http://www.childrenshospital.org/dream/ ... brain.html"Studies of normal brain development reveal critical areas of the brain that develop during late adolescence, and our study shows that heavy cannabis use is associated with damage in those brain regions," said study leader Manzar Ashtari of the Children's Hospital of Philadelphia.
The findings are considered preliminary, however, and more research is needed to confirm the work. The results announced today, were detailed in the Journal of Psychiatric Research last month.
http://www.livescience.com/5298-marijua ... pment.htmlZelf ben ik pas na mijn 19-20de of zelfs later pas echt beginnen met blowen. Ervoor heb ik het misschien 2-3 keer gedaan en "viel" het niet goed. Na mijn 20ste ben ik er echt mee begonnen en is het langzaam aan meer geworden (tolerantie is a bitch
), maar ik smoke eigenlijk nog steeds maar op selectieve avonden. Ik heb nooit de behoefte eraan gehad om dagelijks de hele dag te smoken.
Als ik zelf ooit kinderen krijg dan zou ik het liefst zien dat deze er ook verstandig aan doen en pas op latere leeftijd ermee beginnen.
Jongeren in de puberteit kunnen door dagelijks, fors gamen een achterstand in hun emotionele en sociale ontwikkeling oplopen. School- en werkprestaties hebben als eerste te lijden onder dagelijks gamen
“Scientists do not speak in absolutes, they present the results that support the hypothesis and the tolerance for error.”
