The NIH will dish out $20 million in 2024 and 2025 as part of its Brain Initiative for researchers who wish to develop systems that track behavior. Human psychiatric conditions such as obsessive compulsive disorder can manifest in the lab but most episodes occur at home, where it's a huge challenge to monitor brain activity while people are mobile. Researchers acknowledge that conventional approaches are not going away. Although they're excited by the new wave of technologies, they're realistic about how much the latest methods can achieve. "These tools aren't magic. They're just a pair of glasses, says data.Data"