After completing her degree in psychology at Cardiff University in 1997, Rebecca went on to complete a PhD in psycholinguistics at Cardiff University in 2000. She subsequently took up a post-doctoral position at the Institute of Psychiatry, Psychology and Neuroscience, King’s College London (KCL) from 2000 to 2005, focusing on neuroimaging of episodic memory in Alzheimer's Disease. In 2005, Rebecca was awarded a Wellcome Trust Value in People Fellowship, which further explored neuroimaging of Alzheimer's Disease. She completed a Doctorate in Clinical Psychology at the Institute of Psychiatry, Psychology and Neuroscience, KCL, from 2006 to 2009. After completing her Doctorate, she worked at the Royal Hospital for Neuro-Disability and then returned to the Institute of Psychiatry, Psychology and Neuroscience in 2010. In 2016, Rebecca moved to the Division of Psychiatry at University College London.