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ENGLISH : Random letter generation and computation span are tasks known to load on executive, prefrontal resources. Previous research suggests that Ecstasy users are impaired on random letter generation. The current study, employing a larger s[...]
J. E. FISK ; C. MONTGOMERY ; M. WAREING ; P. N. MURPHY | 2006
Dans Human Psychopharmacology: Clinical and Experimental (Vol.21, n°6, August 2006) Article : PériodiqueThe research evidence regarding the potential effects of ecstasy suggests that it may be neurotoxic and that its use is associated with cognitive impairment. In recent years evidence has emerged suggesting that cannabinoids, the active ingredien[...]
C. M. BEYNON ; J. McVEIGH ; M. CHANDLER ; M. WAREING ; M. A. BELLIS | 2007
Dans Harm Reduction Journal (Vol.4 n°21, 2007) Article : PériodiqueENGLISH : BACKGROUND: In 2003, it became legal in the UK for syringe exchange programmes (SEPs) to provide citrate to injecting drug users to solubilise heroin. Little work has been undertaken on the effect of policy change on SEP function. He[...]
P. N. MURPHY ; M. WAREING ; J. E. FISK | 2006
Dans Journal of Psychopharmacology (Vol.20, n°3, 2006) Article : PériodiqueThis self-report questionnaire study examined ecstasy users' perceptions of the risks associated with their use of ecstasy, their precautions against such risks, and its perceived effects on their lives. Gender differences in these areas were al[...]
M. WAREING ; J. E. FISK ; P. MURPHY ; C. MONTGOMERY | 2004
Dans Human Psychopharmacology: Clinical and Experimental (Vol.19, n°4, June 2004) Article : PériodiquePrevious research suggests that MDMA users are impaired in various aspects of cognitive functioning, however, it remains unclear whether they might experience deficits in established measures of verbal working memory functioning. In the present [...]
M. WAREING ; J. E. FISK ; P. MURPHY ; C. MONTGOMERY | 2005
Dans Human Psychopharmacology: Clinical and Experimental (Vol.20, n°2, March 2005) Article : PériodiqueVerbal working memory and executive deficits have been observed in ecstasy users. The present study sought to establish whether these also extended to visuo-spatial working memory. Thirty-six current ecstasy users, 12 former users (abstinent for[...]
M. WAREING ; P. N. MURPHY ; J. E. FISK | 2004
Dans Psychopharmacology (Vol.173, n°3-4, May 2004) Article : PériodiqueRATIONALE: Previous studies have presented conflicting findings regarding visuospatial span deficits in MDMA (`ecstasy') users, possibly attributable to a lack of distinction between simple visuospatial span and visuospatial working memory span.[...]
FRANÇAIS : La fonction centrale exécutive chez des anciens et des actuels consommateurs d'ecstasy a été testée : rapidité de traitement de l'information et mesures auto-rapportées de la stimulation et de l'anxiété. Les résultats, comparés avec [...]
