News / Health

Electric Jolt Could Right the Brain

Deep brain stimulation can treat obsessive-compulsive disorders, OCD, and some forms of depression

New research suggests patients with disorders such as obsessive-compulsive behavior, depression, Parkinson's Disease and Tourette's syndrome might be helped by having deep brain stimulation devices implanted in the brain.
New research suggests patients with disorders such as obsessive-compulsive behavior, depression, Parkinson's Disease and Tourette's syndrome might be helped by having deep brain stimulation devices implanted in the brain.

Multimedia

Vidushi Sinha

Sending electric current through a thin, wire electrode implanted deep in the brain could do what a cardiac pacemaker does for the heart.  Researchers say there is new evidence that a procedure called "deep brain stimulation," or DBS, can treat a variety of obsessive compulsive disorders, or OCD, and some severe forms of depression.

After drug and behavior therapy failed to help his psychiatric patients, Dr. Benjamin Greenberg found DBS made a difference.

"Based on the evidence that we have now, it is about as effective as the lesion procedures have been, which is just over half the patients will be better enough to make it worth doing," says Greenberg, who takes a cautious approach in deciding whether to employ the procedure.  He believes it should be used only after all conventional psychiatric treatments have been exhausted.

The surgically implanted electrodes are not a cure. The wires in the brain only improve the functioning of the patients who are otherwise disabled by their compulsions.

"Compulsions are things you do in response, usually, to your obsessions," Greenberg says. "There are things that somebody could see like washing their hands, counting or touching arranging things over and over again or they can things that are hidden checking things mentally or even praying silently."

So far about 70,000 people worldwide have had deep brain stimulation devices implanted.  Over the past 10 years, only about 70 patients in the United States have undergone deep brain stimulation to treat their OCD.

The technology has also been used in patients with severe depression who have not responded to other treatments.  And it has been deployed experimentally against Parkinson's disease, helping to reduce the characteristic tremors.  But medical experts say deep brain stimulation is still a long way from being a standard clinical treatment for mental disorders.

"There has not been a major advance since many years, there are many things now in the pipeline," says Dr Mahlon Delong, professor of Neurology at Emory University, "But in terms of, 'Does it help us in the clinic?' Not yet."

Side effects like bleeding, infections and seizures during the operation are possible and some seizures have also been reported during treatment. The procedure is still highly experimental, and some believe much more research is needed before we know if it's effective.

"A therapy is something that is both safe and effective and this is still investigational," says Dr Joseph Fins of the Weill Cornell Center. "It’s still not vetted to be proven efficacious."

It is also not clear yet exactly where in the brain DBS electrodes should be inserted to target specific psychiatric diseases.

DBS raises an even more fundamental ethical question: whether a psychiatrist can be sure enough of a diagnosis to justify surgically entering a patient's brain.

You May Like

Turkey's Erdogan: Women Not Equal to Men

Speaking at conference in Istanbul, President Erdogan says Islam has defined a position for women: motherhood More

Ahead of SAARC Summit, Subdued Expectations

Some regional analysts say distrust between Pakistani, Indian officials has slowed SAARC's progress over the year More

Philippines Leery of Development on Reef Reclamation in S. China Sea

Chinese land reclamation projects in area have been ongoing for years, but new satellite imagery reportedly shows China’s massive construction project More

This forum has been closed.
Comments
     
There are no comments in this forum. Be first and add one

Featured Videos

Your JavaScript is turned off or you have an old version of Adobe's Flash Player. Get the latest Flash player.
Aung San Suu Kyi: Myanmar Opposition to Keep Pushing for Constitutional Changei
X
November 24, 2014 10:09 PM
Myanmar opposition leader Aung San Suu Kyi says she and her supporters will continue pushing to amend a constitutional clause that bars her from running for president next year. VOA's Than Lwin Htun reports from the capital Naypyitaw in this report narrated by Colin Lovett.
Video

Video Aung San Suu Kyi: Myanmar Opposition to Keep Pushing for Constitutional Change

Myanmar opposition leader Aung San Suu Kyi says she and her supporters will continue pushing to amend a constitutional clause that bars her from running for president next year. VOA's Than Lwin Htun reports from the capital Naypyitaw in this report narrated by Colin Lovett.
Video

Video Mali Attempts to Shut Down Ebola Transmission Chain

Senegal and Nigeria were able to stop small Ebola outbreaks by closely monitoring those who had contact with the sick person and quickly isolating anyone with symptoms. Mali is now scrambling to do the same. VOA’s Anne Look reports from Mali on what the country is doing to shut down the chain of transmission.
Video

Video Ukraine Marks Anniversary of Deadly 1930s Famine

During a commemoration for millions who died of starvation in Ukraine in the early 1930s, President Petro Poroshenko lashed out at Soviet-era totalitarianism for causing the deaths and accused today’s Russian-backed rebels in the east of using similar tactics. VOA’s Daniel Shearf reports from Kyiv.
Video

Video Hong Kong Protests at a Crossroads

New public opinion polls in Hong Kong indicate declining support for pro-democracy demonstrations after weeks of street protests. VOA’s Bill Ide in Guangzhou and Pros Laput in Hong Kong spoke with protesters and observers about whether demonstrators have been too aggressive in pushing for change.
Video

Video US Immigration Relief Imminent for Mixed-Status Families

Tens of thousands of undocumented immigrants in the Washington, D.C., area may benefit from a controversial presidential order announced this week. It's not a path to citizenship, as some activists hoped. But it will allow more immigrants who arrived as children or who have citizen children, to avoid deportation and work legally. VOA's Victoria Macchi talks with one young man who benefited from an earlier presidential order, and whose parents may now benefit after years of living in fear.
Video

Video New Skateboard Defies Gravity

A futuristic dream only a couple of decades ago, the hoverboard – a skateboard that floats above the ground - has finally been made possible. While still not ready for mass production, it promises to become a cool mode of transport... at least over some surfaces. VOA’s George Putic reports.
Video

Video Falling Gas Prices Impact US Oil Extraction

With the price of oil now less than $80 a barrel, motorists throughout the United States are benefiting from gas prices below $3 a gallon. But as VOA’s Kane Farabaugh reports, the decreasing price of petroleum has a downside for the hydraulic fracturing industry in the United States.
Video

Video Tensions Build on Korean Peninsula Amid Military Drills

It has been another tense week on the Korean peninsula as Pyongyang threatened to again test nuclear weapons while the U.S. and South Korean forces held joint military exercises in a show of force. VOA’s Brian Padden reports from the Kunsan Air Base in South Korea.
Video

Video Mama Sarah Obama Honored at UN Women’s Entrepreneurship Day

President Barack Obama's step-grandmother is in the United States to raise money to build a $12 million school and hospital center in Kogelo, Kenya, the birthplace of the president's father, Barack Obama, Sr. She was honored for her decades of work to aid poor Kenyans at a Women's Entrepreneurship Day at the United Nations.
Video

Video Ebola Economic Toll Stirs W. Africa Food Security Concerns

The World Bank said Wednesday that it expects the economic impact of the Ebola outbreak on the sub-Saharan economy to cost somewhere betweenf $3 billion to $4 billion - well below a previously-outlined worst-case scenario of $32 billion. Some economists, however, paint a gloomier picture - warning that the disruption to regional markets and trading is considerable. Henry Ridgwell reports from London.
Video

Video Chaos, Abuse Defy Solution in Libya

The political and security crisis in Libya is deepening, with competing governments and, according to Amnesty International, widespread human rights violations committed with impunity. VOA’s Al Pessin reports from London.
Video

Video US Hosts Record 866,000 Foreign Students

Close to 900,000 international students are studying at American universities and colleges, more than ever before. About half of them come from Asia, mostly China. The United States hosts more foreign students than any other country in the world, and its foreign student population is steadily growing. Zlatica Hoke reports.

All About America

AppleAndroid