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RATIONALE/OBJECTIVES Recent theoretical models suggest that the central executive may not be a unified structure. The present study explored the nature of central executive deficits in ecstasy users. METHODS In study 1, 27 ecstasy users and 34 non-users were assessed using tasks to tap memory updating (computation span; letter updating) and access to(More)
RATIONALE/OBJECTIVES Research has revealed associative learning deficits among users of ecstasy; the present study explored the component processes underlying these deficits. METHODS Thirty-five ecstasy users and 62 non-ecstasy users completed a computer-based, verbal paired-associates learning task. Participants attempted to learn eight sequentially(More)
Previous research has demonstrated working memory and executive deficits in recreational users of MDMA (3,4-methylenedioxymethamphetamine; Ecstasy). In turn, both of these constructs have been implicated in syllogistic reasoning performance. Twenty-two MDMA users (mean age = 21.36) and 26 MDMA nonuser controls (mean age = 21.31) were tested on syllogisms of(More)
OVERVIEW Public opinion on national policy toward drug use and drug problems – including laws, strategies, interventions and services-should be a key influence on government decisions, though there has been little systematic research into this issue in the UK, nor in most other countries. This paper reviews the available evidence about people's attitudes(More)
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