In a 2004 Study Examining the Neurological Effects of Cannabis

question 105

Multiple Choice

In a 2004 study examining the neurological effects of cannabis use, 12 long-term cannabis users (using at least seven times a week) and 10 nonusers performed a spatial working memory task while an fMRI was conducted on their brain activity. Results indicated that:

• A) nonusers displayed greater and more pervasive brain activation than heavy cannabis users.
• B) heavy cannabis users displayed less and more-limited brain activation than nonusers.
• C) heavy cannabis users displayed greater and more pervasive brain activation than nonusers.
• D) there was no significant difference in brain activation among heavy users and nonusers.

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