Scent as Signal: How Aurat Aroma is Using Smell to Understand the Brain

Smell is the brain’s fastest pathway to emotion and memory — yet it remains one of the most overlooked signals in neurotechnology. In this interview, Lekha Challappa, co-founder of Aurat Aroma, explains how olfactory intelligence can be quantified, modelled, and used to predict human perception. From flavour and fragrance to healthcare and threat detection, she shares why digitised scent could become a critical layer in the future of neurotech and AI.