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Gloria M P Roberts

2 papers in the library · publishing 2009-2010

Papers

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Evidence of increased activation underlying cognitive control in ecstasy and cannabis users.

Neuroimage August 15, 2010 Gloria M P Roberts, Hugh P Garavan

Evidence suggests that users of ecstasy (3,4-methylenedioxymethamphetamine) have behavioural and cognitive deficits and show increased impulsivity. Impulse control impairments have been shown to be common to a number of addictive behaviours and may constitute a risk factor for drug abuse and dependence. The aim of this study was to investigate brain activation during response inhibition and...

Learning and memory deficits in ecstasy users and their neural correlates during a face-learning task.

Brain Research October 6, 2009 Gloria M P Roberts, Liam Nestor, Hugh P Garavan

It has been consistently shown that ecstasy users display impairments in learning and memory performance. In addition, working memory processing in ecstasy users has been shown to be associated with neural alterations in hippocampal and/or cortical regions as measured by functional magnetic resonance imaging (fMRI). Using functional imaging and a face-learning task, we investigated neural...