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The ICCAM platform study: An experimental medicine platform for evaluating new drugs for relapse prevention in addiction. Part B: fMRI description

McGonigle, John, Murphy, Anna, Paterson, Louise M., Reed, Laurence J., Nestor, Liam, Nash, Jonathan, Elliott, Rebecca, Ersche, Karen D., Flechais, Remy S. A., Newbould, Rexford, Orban, Csaba, Smith, Dana G., Taylor, Eleanor M., Waldman, Adam D., Robbins, Trevor W., Deakin, J. F. William, Nutt, David J., Lingford-Hughes, Anne R. and Suckling, John (2017) The ICCAM platform study: An experimental medicine platform for evaluating new drugs for relapse prevention in addiction. Part B: fMRI description. Journal of Psychopharmacology, 31 (1). pp. 3-16. ISSN 0269-8811

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Abstract

Objectives: We aimed to set up a robust multi-centre clinical fMRI and neuropsychological platform to investigate the neuropharmacology of brain processes relevant to addiction – reward, impulsivity and emotional reactivity. Here we provide an overview of the fMRI battery, carried out across three
centres, characterizing neuronal response to the tasks, along with exploring inter-centre differences in healthy participants.

Experimental design: Three fMRI tasks were used: monetary incentive delay to probe reward sensitivity, go/no-go to probe impulsivity and an evocative images task to probe emotional reactivity. A coordinate-based activation likelihood estimation (ALE) meta-analysis was carried out for the reward and impulsivity tasks to help establish region of interest (ROI) placement. A group of healthy participants was recruited from across three
centres (total n=43) to investigate inter-centre differences.

Principle observations: The pattern of response observed for each of the three tasks was consistent with previous studies using similar paradigms. At the whole brain level, significant differences were not observed between centres for any task.

Conclusions: In developing this platform we successfully integrated neuroimaging data from three centres, adapted validated tasks and applied whole brain and ROI approaches to explore and demonstrate their consistency across centres.

Item Type: Article
Uncontrolled Keywords: Brain, human, magnetic resonance imaging, substance-related disorders
Subjects: R Medicine > RM Therapeutics. Pharmacology
Schools: School of Applied Sciences
Related URLs:
Depositing User: Jonathan Cook
Date Deposited: 14 Aug 2017 13:55
Last Modified: 15 Aug 2017 07:05
URI: http://eprints.hud.ac.uk/id/eprint/32808

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