Predicting how patients respond to therapy
By By Anne Trafton, MIT News Office | 06 Sep 2012
A new study led by MIT neuroscientists has found that brain scans of patients with social anxiety disorder can help predict whether they will benefit from cognitive behavioral therapy.
Social anxiety is usually treated with either cognitive behavioral therapy or medications. However, it is currently impossible to predict which treatment will work best for a particular patient. The team of researchers from MIT, Boston University (BU) and Massachusetts General Hospital (MGH) found that the effectiveness of therapy could be predicted by measuring patients' brain activity as they looked at photos of faces, before the therapy sessions began.
The findings, published this week in the Archives of General Psychiatry, may help doctors choose more effective treatments for social anxiety disorder, which is estimated to affect around 15 million people in the United States.
''Our vision is that some of these measures might direct individuals to treatments that are more likely to work for them,'' says John Gabrieli, the Grover M. Hermann Professor of Brain and Cognitive Sciences at MIT, a member of the McGovern Institute for Brain Research and senior author of the paper.
Lead authors of the paper are MIT postdoc Oliver Doehrmann and Satrajit Ghosh, a research scientist in the McGovern Institute.
Choosing treatments
Sufferers of social anxiety disorder experience intense fear in social situations that interferes with their ability to function in daily life. Cognitive behavioral therapy aims to change the thought and behavior patterns that lead to anxiety. For social anxiety disorder patients, that might include learning to reverse the belief that others are watching or judging them.
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