2003
DOI: 10.1016/s0376-8716(02)00334-4
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Early-onset cannabis use and cognitive deficits: what is the nature of the association?

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Cited by 472 publications
(384 citation statements)
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“…This could indicate greater decrements in spatial attention associated with early marijuana use. Similarly, adults who began using marijuana in early adolescence showed greater neural dysfunction during spatial attention (Chang et al, 2006) and poorer functioning on tests of attention (Ehrenreich et al, 1999), and verbal abilities and short-term memory (Pope et al, 2003). Animal models also indicate that cannabinoid exposure during adolescence is associated with greater impairments in working memory and spatial learning than adult exposure Kalant, 1982, 1985;O'Shea et al, 2004).…”
Section: Discussionmentioning
confidence: 99%
“…This could indicate greater decrements in spatial attention associated with early marijuana use. Similarly, adults who began using marijuana in early adolescence showed greater neural dysfunction during spatial attention (Chang et al, 2006) and poorer functioning on tests of attention (Ehrenreich et al, 1999), and verbal abilities and short-term memory (Pope et al, 2003). Animal models also indicate that cannabinoid exposure during adolescence is associated with greater impairments in working memory and spatial learning than adult exposure Kalant, 1982, 1985;O'Shea et al, 2004).…”
Section: Discussionmentioning
confidence: 99%
“…Wilson and colleagues (2000) retrospectively found that adults who used marijuana before age 17 had smaller gray matter and larger white matter volumes than later-onset users. Further, adults who initiated heavy marijuana use in early adolescence demonstrated poorer attention (Ehrenreich et al, 1999), verbal abilities and short term memory (Pope et al, 2003) compared to those who began use later. Thus far, no published studies have examined brain morphometry in adolescent marijuana users.…”
Section: Introductionmentioning
confidence: 99%
“…We hypothesized that the group using for a longer period of time would have EEG alterations while the group with a shorter period of use would be similar to the control group. The hypothesis was based on studies of cognitive function in marijuana users that suggested that cognitive deficits occurred after heavy long term use (Gonzalez et al, 2001;Pope et al 2003;Messimis et al, 2006). In these studies, the shorter term marijuana use did not always produce cognitive deficits.…”
Section: Introductionmentioning
confidence: 99%