Monthly Archives: February 2015

Neurology: Placebo effect of medication cost in Parkinson disease – Expensive placebo’s effectiveness comparable to levodopa.

Although both placebos improved motor function, benefit was greater when patients were randomized first to expensive placebo, with a magnitude halfway between that of cheap placebo and levodopa. Brain activation was greater upon first-given cheap but not upon first-given expensive placebo or by levodopa. Regardless of order of administration, only cheap placebo increased activation in the left lateral sensorimotor cortex and other regions. Continue reading

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