03 August 2010

Expectation May Affect Placebo Response in Parkinson's Patients

Being told there was a 75% chance of getting drug spurred neurochemical response: study

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On the second day, the patients were told they had either a 25 percent, 50 percent, 75 percent or 100 percent chance of receiving levodopa before they underwent a third brain scan. However, all of them received a placebo.


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