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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The Answer of 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.

In a 2004 Study Examining the Neurological Effects of Cannabis