Researchers have developed a new test to objectively measure pain and test medications. The old test involves looking at how fast an animal withdraws its paw when it's poked. This electroencephalography-based test shows that at low doses animals would behave as if the pain was less when it actually wasn't. This means that it would appear that the medication was actually working at the low dose when, in fact, it wasn't. The new test could improve patient pain assessments and reduce the over-prescription of opioids, the researchers say.
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