Stanford's Karl Deisseroth Maps Brain Activity at Millisecond Precision for 14 Million Borderline Patients
Updated
Updated · CNN · Aug 17
Stanford's Karl Deisseroth Maps Brain Activity at Millisecond Precision for 14 Million Borderline Patients
3 articles · Updated · CNN · Aug 17
Summary
Stanford’s Human Neural Circuitry program is recording brain activity in real time inside an inpatient hospital, aiming to link neural signals to emotions and psychiatric symptoms as they happen.
Less than 0.5 millisecond round-trip data speeds and sub-millisecond recordings let researchers track patients during social interaction, storytelling and medication changes in a naturalistic clinical setting.
A May 2025 Science study from the program found humans and mice share persistent brain-activity patterns after a mildly adverse sensory test, offering clues to how negative emotions begin and spread.
Deisseroth’s team is targeting disorders including schizoaffective disorder—affecting about 1 in 200 people—and borderline personality disorder, which affects roughly 14 million Americans, alongside autism, OCD and chronic pain.
Deisseroth, already known for inventing optogenetics, says the goal is moment-by-moment treatments tied to neural circuit dynamics, a step he calls his most important work yet.