Abstract #3713

Impact of Noise-Modelling Methods on Test-Retest Reliability of a Covert Verbal Fluency FMRI Task Across 2 Sites

Jonathan O'Muircheartaigh¹, Christian Vollmar², Gareth Barker³, Mark Symms², Veena Kumari⁴, Pam Thompson², John Duncan², Matthias Koepp², Mark Richardson¹

¹Department of Clinical Neuroscience, Institute of Psychiatry, Kings College London, London, UK; ²The National Society for Epilepsy and the Department of Clinical and Experimental Epilepsy, Institute of Neurology, University College London, London, UK; ³Department of Clinical Neuroscience, Centre for Neuroimaging Sciences, Institute of Psychiatry, Kings College London, London, UK; ⁴Department of Psychology, Institute of Psychiatry, Kings College London, London, UK

Here, a simple covert verbal fluency task is used to assess reliability of fMRI results across sites and sessions using voxelwise and region-based intraclass correlation techniques. The impact of modelling for motion is investigated.