Auteur R. HOSHI

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Contribution of cannabis and MDMA ("ecstasy") to cognitive changes in long-term polydrug users

R. I. DAFTER ; R. HOSHI ; A. C. TALBOT | 2004
Dans Psychopharmacology (Vol.173, n°3-4, May 2004) Article : Périodique

RATIONALE: Establishing whether cognitive changes follow long-term use of MDMA ("ecstasy") in humans has been difficult because of possible confounds with other drug use, particularly cannabis. Convincing evidence may be only obtained using expe[...]

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Empathy and agression: two faces of ecstasy? A study of interpretative cognitive bias and mood change in ecstasy users

H. V. CURRAN ; H. REES ; T. HOARE ; R. HOSHI ; A. BOND | 2004
Dans Psychopharmacology (Vol.173, n°3-4, May 2004) Article : Périodique

RATIONALE: As central 5-hydroxytryptamine (5- HT) is attenuated for a period following a single dose of MDMA ("ecstasy") and low 5-HT is associated with aggression, then MDMA users may be more aggressive in the days following an acute dose of th[...]

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The acute and sub-acute effects of "ecstasy" (MDMA) on processing of facial expressions : preliminary findings

R. HOSHI ; J. BISLA ; H. V. CURRAN | 2004
Périodique

ENGLISH : Rationale : There is evidence that serotonergic processes may modulate the processing of fearful facial expressions. It is therefore possible that the recreational drug ecstasy (MDMA), which has marked serotonergic effects, may affec[...]

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