Cannabis Use Mimics Cognitive Weakness That Can Lead to Schizophren...

The conclusion, of course, hasn't been proved by experiment. It's an interpretation.

Researchers at the University of Bergen in Norway have found new support for their theory that cannabis use causes a temporary cognitive breakdown in non-psychotic individuals, leading to long-term psychosis. In an fMRI study published this week in Frontiers in Psychiatry, researchers found a different brain activity pattern in schizophrenia patients with previous cannabis use than in schizophrenic patients without prior cannabis use.

The results reinforce the researchers' model where cannabis users suffering from schizophrenia actually may have higher cognitive abilities than non-cannabis using schizophrenics. This difference may indicate that the cannabis-user group did not have the same mental propensity for psychosis.

The study shows that schizophrenia sufferers with previous cannabis use had consistently higher levels of brain activity while undergoing these tests as well as a higher number of correct answers. These results are in line with previous conclusions from the Bergen researchers who support the idea that cannabis users with schizophrenic characteristics do not appear to suffer from the same neuro-cognitive weaknesses as other patients with schizophrenia.

This implies that it is the cannabis use itself that leads otherwise non-psychotic individuals down the nightmarish path towards schizophrenia by imitating the cognitive weakness that is the main risk factor for developing the psychological condition. [emphasis mine]



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Tags: marijuana, schizophrenia

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Replies to This Discussion

Good qualification, good info.  But info. on the potential harm from cannabis use vs. its benefits is a medical issue and none of the government's business.  Virtually all prescription drugs are strong chemicals, some with horrendous side-effects. But they are legal and regulated. There is no argument, medical or moral, for continued prohibition of cannabis.

It's interesting that one doctor, who was one of the first to come up with effective treatment for schizophrenia, is also an outspoken advocate for pot - Dr Lester Grinspoon - http://www.atheistnexus.org/profile/LesterGrinspoonMD?xg_source=pro... 

depends on the person.. the environment.. social structures..
who's to judge who's schizo anyhew.. maybe it's diff w/male females..?
To believe in gods is like Dawkins said to hallucinate...

It's all about education. Same old bob n' weave.. long live common sensi farmers! ; )

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