Taking the lid off ambitions for optical imaging of the human brain: a conversation with Clare Elwell.

Ilias Tachtsidis, professor of biomedical engineering, senior member of the Biomedical Optics Research Laboratory, and head of the Multi-Modal Spectroscopy Group at University College London (UCL), interviewed his colleague and mentor Clare Elwell, professor of medical physics at UCL and Vice Dean of Impact for UCL Engineering, about her pioneering work in fNIRS and brain imaging for global health.