The Neurobiology of Addiction: The perspective from Magnetic Resonance Imaging present and future
Nestor, Liam J
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Suckling, J., & Nestor, L. J. (2016). The Neurobiology of Addiction: The perspective from Magnetic Resonance Imaging present and future. Addiction Biology, 112 360-369. https://doi.org/10.1111/add.13474
Background and Aims Addiction is associated with severe economic and social consequences, and personal tragedies, the scientific exploration of which draws on investigations at the molecular, cellular, and systems levels with a wide variety of technologies. Magnetic resonance imaging (MRI) has been key to mapping effects observed at the microscopic and mesoscopic scales. The range of measurements from this apparatus has opened new avenues linking neurobiology to behaviour. This review considers the role of MRI in addiction research, and what future technological improvements might offer. Methods A hermeneutic strategy supplemented by an expansive, systematic search of PubMed, Scopus and Web of Science databases, covering from database inception to October 2015, with a conjunction of search terms relevant to addiction and MRI. Formal meta-analyses were prioritised. Results Results from methods that probe brain structure and function suggest fronto-striatal circuitry disturbances within specific cognitive domains, some of which predict drug relapse and treatment response. New methods of processing imaging data are opening opportunities for understanding the role of cerebral vasculature, a global view of brain communication and the complex topology of the cortical surface, and drug action. Future technological advances include increases in MRI field strength, with concomitant improvements in image quality. Conclusions The magnetic resonance imaging literature provides a limited, but convergent picture of the neurobiology of addiction as global changes to brain structure and functional disturbances to fronto-striatal circuitry, accompanied by changes in anterior white matter.
The authors receive support from the Behavioural and Clinical Neuroscience Institute, jointly funded by the Medical Research Council and the Wellcome Trust, and the National Institute for Health Research Cambridge Biomedical Research Centre.
Wellcome Trust (093875/Z/10/Z)
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External DOI: https://doi.org/10.1111/add.13474
This record's URL: https://www.repository.cam.ac.uk/handle/1810/256443