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Thursday, November 17, 2011

Comments

This... is just ridiculous. First of all, who would consider doing math problems as "multitasking"? When I drive, I don't do anything CLOSE to the level of mental capacity as math problems. That's a stupid idea! Plus the results didn't say ANYTHING about illicit drugs having a negative impact on driving. This just proves once again that research in Cannabis SUPPORTS Cannabis more than it hurts it.

Dear Josh,

You are right that the reported study does not provide evidence that use of cannabis hurts driving. Both marijuana and placebo groups performed similarly on all driving tasks, so the initial hypothesis about the damaging effect of cannabis was not supported. However, we encourage our readers to perceive these results with caution because of some methodological flaws of the particular study. Besides, no single study should be used to conclude marijuana is safe (or not safe) for driving.

Regarding the multitasking. Doing simple math calculation is a common and widely used method to manipulate cognitive load and multitasking in a lab setting. Although it is not exactly what people typically do in real life, the general cognitive process is similar to everyday multitasking and provides a reasonably close analogy.

Sincerely,

Julia Braverman, PhD
Data Analyst
Division on Addiction

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