Abstract: Abstract: Cannabis is the most common illicit substance used by adolescents. This paper reports results of a pilot study using fMRI and a working memory task to compare brain function of adolescent cannabis users to that of two control groups, one matched for tobacco use and the other for nonsmokers.
Popularity: This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the
underlying citation network.
Influence: This indicator reflects the overall/total impact of an article in the research community at large, based on the
underlying citation network (diachronically).
Citation Count: This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in
the research community at large, based on the underlying citation network (diachronically).
Impulse: This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation
network.
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