Leigh has undertaken research on the
life and works of Lady Caroline Lamb. Lamb is a case study of how
reputation can lead to the cultural construction of madness, and how
the labels of 'madness' and 'hysteria' have subsequently been used
as a means to discredit Lamb critically as a legitimate subject of
study. She has published several articles that focus upon this re-legitimising
of Lamb and is co-editing the forthcoming Pickering & Chatto three-volume
set of Lamb's works. For this project her research focuses upon autobiographical
accounts of depression with the objective of publishing a critical
anthology of these insights into a distressing state of mind that
was more often than not discounted, ignored or silenced.