Zomato Founder Deepinder Goyal has shared new research on Temple, his new wearable device designed to monitor blood flow-related changes around the brain, as the firm moves closer to the launch of the device in India. The latest study related to Temple BrainFlow showed a stronger correlation with changes in brain blood volume than with blood volume changes in the scalp. The findings come from a second validation study including Temple BrainFlow and time-domain near-infrared spectroscopy (TD-NIRS), a technique that can differentiate between signals from deeper brain tissue and superficial scalp layers. As per the preprint shared by him, researchers analysed 60 sessions involving 44 healthy young adult men. Participants went through three controlled physiological challenges, 30-degree head-down tilt, moving from standing to a squat, and moving from standing to a supine position. The researchers compared Temple's BrainFlow Index with blood-volume changes measured in the brain and scalp layers using TD-NIRS. Across the three tests, the median correlation between Temple BrainFlow and the model-derived brain signal was 0.912 for head-down tilt, 0.843 for stand-to-squat, and 0.839 for stand-to-supine. The corresponding correlations with scalp signals were lower at 0.494, 0.700, and 0.767, respectively. Goyal said the results show, 'Temple tracks the brain, much more than the scalp.' He also said that the head-down tilt test, where the correlation with the brain signal was 0.91 compared with 0.49 for the scalp. The study also found that the body responds to factors like sleep, dehydration, exercise, and prolonged sitting. He claims Temple is designed to monitor such changes continuously instead of capturing them only during a clinical test. The research was conducted by David Boas, director of Boston University's Neurophotonics Center and a scientific adviser to Temple. Goyal said this is the second modality against which Temple BrainFlow has been validated, following Transcranial Doppler. A career journalist who spent six years playing around with smartphones, apps and gaming. As a hobby, Rudra enjoys researching mobile games, watching ... View More