It's all in your head..

Picture this: You’re wide-awake and a surgeon is guiding a hair-thin wire with tiny electrical probes deep into your brain. Today this is largely experimental, but in the future the technique could treat depression, obsessive-compulsive disorder (OCD), even paralysis—all via a pacemaker
usually implanted beneath the collarbone.

The procedure, called deep brain stimulation (DBS), is already used to treat Parkinson’s symptoms when drugs don’t help and is being tested on many other neurological disorders. The beneficial effects of DBS are often felt immediately, since the pacemaker sends electrical impulses to block the nerve signals that cause symptoms.

“DBS is opening up a new frontier just like cardiac pacemakers did 25 years ago,” says Dr Ali Rezai, a neurosurgeon who is looking at new uses for DBS. “It’s going to revolutionize the way we treat brain disorders.” It may eventually be approved to treat depression and OCD also.