For those interested in a quick review of the latest in magnetic and electric stimulation for treatment of psychiatric disorders, The Wall Street Journal covers a few interesting technologies that are out there.

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Physicians have known for 2,000 years that electricity could help troubled minds—even before they knew what electricity was. Roman Emperor Claudius pressed electric eels to his temples to quell headaches. Sixteenth-century doctors induced seizures with camphor to treat psychiatric illnesses.

Now, research is advancing rapidly on a host of far more precise techniques to stimulate or calm the brain with electricity, magnets or even ultrasound and infrared waves. Most of the therapies target severe, resistant depression—a problem for nearly seven million Americans. But some are also showing promise for treating obsessive-compulsive disorder, panic disorders, schizophrenia, addictions and memory problems.

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