Chronotype and emotion processing: A pilot study testing timing of online cognitive bias modification training.

This was a pilot study that tested whether the effectiveness of Cognitive Bias Modification (CBM) for facial emotion processing was improved when delivered at a time-of-day that was synchronised to chronotype. Healthy young adults (n = 173, aged 18-25 years) with an early or late chronotype completed one online session of CBM training in either the morning (06:00hrs-10:00hrs) or evening (18:00hrs–22:00hrs). Recruitment was via Prolific - an online recruitment platform - and the data was collected using Gorilla software.