A Window on the Mind, Through the Ear

It’s the year 2030, and you’re getting ready for your morning jog. You click on your running playlist and pop in your earbuds as you head out the door. But these wireless buds do much more than stream music. They can eavesdrop on your brainwaves, measure molecules in your ear sweat that offer clues to your health and physical performance, and even help improve your mental health. 

At least, that’s the big idea. The brain-bud concept is, published in the journal . They expect this new wearable device could help scientists and patients remotely monitor stress and other cognitive states, provide early diagnoses of neurodegenerative diseases, and even channel neurofeedback, a technique that uses stimuli such as sounds to relay information about brain activity to help people improve attention and mood and reduce stress.