4.7 Article

The role of MRI in applying the 3Rs to non-human primate neuroscience

Journal

NEUROIMAGE
Volume 225, Issue -, Pages -

Publisher

ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.neuroimage.2020.117521

Keywords

Animal welfare; Macaque; Magnetic resonance imaging; Marmoset; Refinement; Reduction

Funding

  1. NC3Rs
  2. Newcastle University Research Fellowship

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MRI plays a significant role in enhancing the selection and assignment of non-human primates, guiding the manufacture of custom devices, assisting with health issue diagnosis, and improving the welfare of NHPs. Sharing of MRI data sets, as well as advancements in MRI contrast and resolution, are expected to further advance the principles of the 3Rs in the future.
Magnetic resonance imaging is playing a significant role in applying the 3Rs to neuroscience studies using non-human primates. MRI scans are contributing to refinement by enhancing the selection and assignment of animals, guiding the manufacture of custom-fitted recording and head fixation devices, and assisting with the diagnosis of health issues and their treatment. MRI is also being used to better understand the impact of neuroscience procedures on the welfare of NHPs. MRI has helped to optimise NHP use and make greater scientific progress than would otherwise be made using larger numbers of animals. Whilst human fMRI studies have replaced some NHP studies, their potential to directly replace NHP electrophysiology is limited at present. Given the considerable advantages of MRI for electrophysiology experiments, including improved welfare of NHPs, consideration should be given to focusing NHP electrophysiology laboratories around MRI facilities. Greater sharing of MRI data sets, and improvements in MRI contrast and resolution, are expected to further advance the 3Rs in the future.

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