Tom Collura: Connection, Inhibition and Path-Specific Relaxation Training The brain is a hyperconnected system, containing on the order of 10 billion neurons, each of which can have hundreds or thousands of connections to other neurons. The brain depends on dynamically managing trillions of connections, to regulate the interactions between all of its parts. How are all of these connections managed toward useful ends? The key lies in the ability to network to selectively enable or disable conn...